Dipole Antenna Calculator
Calculate wavelength, practical dipole dimensions, feed-point impedance, gain, and recommended mounting height.
Dipole AntennasOpen
Antenna Calculators
Browse practical RF and antenna design tools for calculating dimensions, wavelength, gain, impedance, and other key parameters.
199 free calculators available
All antenna calculators
Short Dipole Antenna Calculator
Calculate wavelength, radiation resistance and gain of an electrically short dipole antenna.
Dipole AntennasOpen
Half Wave Dipole Antenna Calculator
Calculate practical dimensions, impedance, gain, and mounting recommendations for a half-wave dipole antenna.
Dipole AntennasOpen
Broadband Dipole Antenna Calculator
Calculate broadband dipole dimensions and thickness characteristics.
Dipole AntennasOpen
Folded Dipole Antenna Calculator
Calculate dimensions, feed impedance, gain, and matching requirements for a standard folded dipole antenna.
Dipole AntennasOpen
Wire Antenna Calculator
Calculate the dimensions and characteristics of an ideal half-wave wire dipole antenna.
Dipole AntennasOpen
Long Wire Antenna Calculator
Calculate the theoretical and practical starting length for an end-fed long wire antenna based on operating frequency and electrical length.
Wire AntennasOpen
End-Fed Half-Wave Antenna Calculator
Calculate the practical wire length and feed-system references for an end-fed half-wave (EFHW) antenna.
Wire AntennasOpen
Quarter Wavelength Antenna Calculator
Calculate the starting radiator and radial lengths for a quarter-wave vertical or ground-plane antenna.
Wire AntennasOpen
Whip Antenna Length Calculator
Calculate the practical physical length of a whip antenna for a selected frequency and electrical length.
Wire AntennasOpen
Antenna Radiation Pattern Calculator
Calculate the ideal normalized radiation field, relative power, and attenuation at an elevation angle for common antenna patterns.
Antenna TheoryOpen
Random Wire Antenna Calculator
Check a random wire antenna length against the operating frequency and identify nearby half-wave resonance points to avoid difficult tuner matches.
Wire AntennasOpen
Satellite Link Budget Calculator
Calculate total link loss, incident power, C/N₀, Carrier-to-Noise Ratio (C/N), and Eb/N₀ for satellite communication links.
Satellite CommunicationOpen
Satellite Path Loss Calculator
Calculate free-space path loss (FSPL), wavelength, and atmospheric loss context for satellite radio links.
Satellite CommunicationOpen
Circular & Geostationary Orbit Calculator
Calculate orbital radius, period, velocity, and geostationary synchronization for circular Earth orbits.
Satellite CommunicationOpen
LEO Orbit Calculator
Calculate orbital period, velocity, horizon coverage, footprint radius, and maximum pass duration for Low Earth Orbit (LEO) satellites.
Satellite CommunicationOpen
Satellite Footprint Calculator
Calculate the coverage footprint radius, central earth angle, surface area, and maximum slant range for any satellite altitude and elevation mask.
Satellite CommunicationOpen
Satellite Delay Calculator
Calculate one-way propagation delay, single-hop RTT, and double-hop round-trip latency for satellite communication links.
Satellite CommunicationOpen
Polar & Sun-Synchronous Orbit Calculator
Calculate period, velocity, Sun-Synchronous inclination (SSO), and equatorial ground-track shift for polar Earth orbits.
Satellite CommunicationOpen
Satellite Coverage Calculator
Calculate ground coverage radius, footprint surface area, central angle, and maximum slant range for a given satellite altitude and minimum elevation angle.
Satellite CommunicationOpen
Ku-Band Satellite Calculator
Calculate wavelength, free-space path loss (FSPL), and sub-band allocation for Ka-band satellite frequencies (17.7–40 GHz).
Satellite CommunicationOpen
Ka-Band Satellite Calculator
Calculate wavelength, free-space path loss (FSPL), and sub-band allocation for Ka-band satellite frequencies (17.7–40 GHz).
Satellite CommunicationOpen
C-Band Satellite Calculator
Calculate wavelength, free-space path loss (FSPL), and link parameters for C-band satellite uplinks and downlinks.
Satellite CommunicationOpen
Satellite Dish Alignment Calculator
Calculate the true azimuth, elevation angle, and LNB polarization skew for pointing a dish at a geostationary satellite.
Satellite CommunicationOpen
Satellite Visibility Calculator
Calculate horizon slant range, ground coverage distance, central angle, and maximum pass duration for satellite ground station line-of-sight visibility.
Satellite CommunicationOpen
Satellite Uplink Calculator
Calculate uplink received power at the satellite transponder input, isotropic received power, and uplink C/N₀.
Satellite CommunicationOpen
Satellite Downlink Calculator
Calculate ground station received power (dBW/dBm), system figure of merit (G/T), and carrier-to-noise density ratio (C/N₀) for a satellite downlink.
Satellite CommunicationOpen
5G NR Throughput Calculator
Estimate theoretical 5G NR peak throughput using channel bandwidth, spectral efficiency, MIMO layers, and protocol overhead. This simplified calculator does not model resource blocks (RBs), numerology, coding rate, carrier aggregation, or TDD slot configuration.
5G NROpen
5G NR ARFCN Calculator
Convert 3GPP 5G NR-ARFCN values across all three global frequency rasters (0–100 GHz) into carrier frequencies.
5G NROpen
5G NR Timing Advance Distance Calculator
Estimate UE-to-gNodeB distance, one-way propagation delay, round-trip propagation delay, and timing advance resolution using the 3GPP 5G NR Timing Advance equations defined in TS 38.213.
5G NROpen
5G NR Link Budget & RSRP Calculator
Calculate total received power, SS-RSRP per subcarrier, thermal noise floor, and SNR for 5G NR gNodeB downlinks.
5G NROpen
5G NR GSCN Calculator
Convert a Global Synchronization Channel Number (GSCN) into its exact SS/PBCH block (SSB) reference frequency across 0–100 GHz.
5G NROpen
5G NR Frequency Range & Band Classifier
Classify 5G carrier frequencies into 3GPP FR1, FR2-1, or FR2-2 ranges and determine supported sub-carrier spacings (SCS).
5G NROpen
5G NR Transport Block Size (TBS) Calculator
Calculate exact 3GPP TS 38.214 compliant Transport Block Size (TBS) from allocated resource elements, modulation scheme, code rate, and MIMO layers.
5G NROpen
5G NR NTN Frequency Bands Calculator
Calculate exact wavelength (m, cm, mm) and classify satellite carrier frequencies across 3GPP NTN bands (n254, n255, n256) and RF bands (L, S, C, X, Ku, Ka).
5G NROpen
5G NR SSB Transmit Power & EPRE Calculator
Convert 5G NR SSB EPRE power between dBm, mW, µW, nW, and Watts, and estimate total gNodeB sector RF transmit power.
5G NROpen
5G NR Cell Identity (NCI) Calculator
Calculate and validate 36-bit 5G NR Cell Identity (NCI) in Decimal, Hexadecimal, and Binary formats from gNB ID and Cell ID.
5G NROpen
RSRP 4G/5G Coverage Simulator
Estimate the received Reference Signal Received Power (RSRP) using a simplified radio link budget including reference signal transmit power, path loss, antenna gains, and additional system losses.
5G NROpen
5G NR Spectral Efficiency Calculator
Calculate spectral efficiency (bit/s/Hz) from achieved data throughput and occupied RF bandwidth, with 3GPP performance ratings.
5G NROpen
5G NR Neighbor Planning Calculator
Estimate geometric first- and second-tier neighbor counts, inter-site distance, and site density for initial 5G RF planning.
5G NROpen
EPRE Calculator
Calculate the average Energy Per Resource Element (EPRE) from the total transmit power and the number of active resource elements. This simplified calculator assumes transmit power is evenly distributed across all active REs.
5G NROpen
5G NR QoS (5QI) Flow Calculator
Evaluate 3GPP TS 23.501 standardized 5QI parameters including Packet Delay Budget (PDB), Packet Error Rate (PER), Priority Level, Resource Type, and Bit Rate targets.
5G NROpen
Monopole Antenna Calculator
Calculate dimensions and operating characteristics of quarter-wave monopole antennas.
Simple AntennasOpen
Whip Antenna Calculator
Calculate whip antenna dimensions and estimate ground plane suitability for mobile installations.
Simple AntennasOpen
Ground Plane Antenna Calculator
Calculate quarter-wave ground plane antenna dimensions, impedance, and estimated gain.
Simple AntennasOpen
Telescopic Antenna Length Calculator
Calculate the recommended dimensions of a telescopic antenna for various wave ratios.
Simple AntennasOpen
Yagi Antenna Calculator
Calculate the dimensions and characteristics of a Yagi-Uda antenna including gain, boom length, reflector, driven element, and director sizes.
Directional AntennasOpen
Yagi-Uda Antenna Calculator
Calculate Yagi-Uda antenna dimensions, boom length, gain, front-to-back ratio, beamwidth, and recommended installation parameters.
Directional AntennasOpen
Log Periodic Antenna Calculator
Calculate dimensions, bandwidth ratio, and estimated gain for a log-periodic dipole array antenna.
Directional AntennasOpen
Log Periodic Dipole Array Calculator
Calculate LPDA bandwidth ratio, element dimensions, estimated element count, boom length, and gain.
Directional AntennasOpen
Corner Reflector Antenna Calculator
Calculate wavelength, reflector dimensions, spacing, and estimated gain of a corner reflector antenna.
Directional AntennasOpen
Parabolic Dish Antenna Gain Calculator
Calculate gain, beamwidth and aperture characteristics of a parabolic dish antenna.
Directional AntennasOpen
Horn Antenna Calculator
Calculate gain, beamwidth, and aperture characteristics of a rectangular horn antenna.
Directional AntennasOpen
Slotted Waveguide Antenna Calculator
Calculate wavelength, slot spacing, array length and estimated gain of a slotted waveguide antenna.
Directional AntennasOpen
Aperture Antenna Calculator
Calculate wavelength, aperture efficiency, gain, effective aperture, and estimated beamwidth for aperture antennas.
Directional AntennasOpen
Phased Array Antenna Calculator
Calculate phased array gain, beamwidth and array dimensions.
Directional AntennasOpen
Small Loop Antenna Calculator
Calculate radiation resistance, loop dimensions, and electrical characteristics of a small loop antenna.
Resonant AntennasOpen
Helical Antenna Calculator
Calculate axial-mode helical antenna dimensions, gain, pitch angle, and beam characteristics.
Resonant AntennasOpen
Cloverleaf Antenna Calculator
Calculate wavelength, element dimensions, and operating parameters for a circularly polarized cloverleaf antenna.
Resonant AntennasOpen
Spiral Antenna Calculator
Calculate the dimensions and bandwidth characteristics of an Archimedean spiral antenna.
Resonant AntennasOpen
Bow Tie Antenna Calculator
Calculate wavelength, element length and recommended feed dimensions for a bow-tie antenna.
Resonant AntennasOpen
Vivaldi Antenna Calculator
Calculate approximate dimensions and bandwidth parameters for a Vivaldi tapered slot antenna.
Ultra Wideband AntennasOpen
Fractal Antenna Calculator
Estimate multi-band resonances and wavelength characteristics of generic self-similar fractal antennas.
Resonant AntennasOpen
Omnidirectional Antenna Calculator
Calculate wavelength and common omnidirectional antenna dimensions.
Resonant AntennasOpen
Microstrip Patch Antenna Calculator
Calculate patch dimensions, effective dielectric constant, guided wavelength, ground plane dimensions, and antenna characteristics using the transmission line model.
Microstrip & Printed AntennasOpen
Rectangular Microstrip Patch Calculator
Calculate the dimensions and design parameters of a rectangular microstrip patch antenna using the transmission-line model.
Microstrip & Printed AntennasOpen
Planar Inverted F Antenna Calculator
Calculate approximate dimensions of a Planar Inverted-F Antenna (PIFA).
Microstrip & Printed AntennasOpen
Inverted F Antenna Calculator
Calculate resonant dimensions and antenna characteristics for a quarter-wave Inverted-F antenna.
Microstrip & Printed AntennasOpen
NFC Antenna Calculator
Calculate NFC antenna inductance and tuning capacitance for 13.56 MHz applications.
Microstrip & Printed AntennasOpen
Wearable Antenna Calculator
Calculate wavelength and approximate wearable antenna dimensions for textile substrates.
Microstrip & Printed AntennasOpen
Slot Antenna Calculator
Calculate the dimensions of a microstrip slot antenna including guided wavelength, resonant slot length and recommended ground plane size.
Microstrip & Printed AntennasOpen
Cavity Backed Slot Antenna Calculator
Calculate wavelength, slot dimensions, cavity depth, and estimated gain for a cavity-backed slot antenna.
Microstrip & Printed AntennasOpen
UHF Antenna Calculator
Calculate wavelength and antenna dimensions for UHF frequencies (300–3000 MHz).
Frequency-SpecificOpen
VHF Antenna Calculator
Calculate wavelength and antenna dimensions for VHF frequencies (30–300 MHz).
Frequency-SpecificOpen
Microwave Dipole Antenna Calculator
Calculate the dimensions and operating characteristics of an ideal free-space microwave half-wave dipole antenna.
Frequency-SpecificOpen
Antenna Gain Calculator
Calculate antenna gain, wavelength, directivity, linear gain, and antenna classification using effective aperture and efficiency.
Basic Antenna ParametersOpen
Antenna Efficiency Calculator
Calculate antenna radiation efficiency, power loss, efficiency in dB, and antenna performance rating.
Basic Antenna ParametersOpen
Antenna Bandwidth Calculator
Calculate antenna bandwidth, center frequency, fractional bandwidth, bandwidth ratio, quality factor, and bandwidth classification.
Basic Antenna ParametersOpen
VSWR Calculator
Calculate VSWR, return loss, reflected power, and mismatch loss from the reflection coefficient.
Basic Antenna ParametersOpen
Return Loss Calculator
Calculate return loss, VSWR, mismatch loss and reflected power from the reflection coefficient.
Basic Antenna ParametersOpen
Professional Antenna Impedance Calculator
Calculate antenna impedance matching, VSWR, reflection coefficient, return loss, mismatch loss, reflected power, resonance condition, and power transfer efficiency.
Basic Antenna ParametersOpen
Radiation Resistance Calculator
Calculate the approximate radiation resistance of a short dipole antenna.
Basic Antenna ParametersOpen
Beamwidth Calculator
Calculate antenna beamwidth using frequency and antenna diameter.
Basic Antenna ParametersOpen
Front-to-Back Ratio Calculator
Calculate antenna front-to-back ratio, linear power ratio, and rear radiation percentage.
Basic Antenna ParametersOpen
Antenna Q Factor Calculator
Calculate the antenna Q factor and fractional bandwidth from the center frequency and operating bandwidth.
Basic Antenna ParametersOpen
Wavelength Calculator
Calculate wavelength, antenna dimensions, electrical length, and transmission line parameters.
Wavelength & FrequencyOpen
Frequency to Wavelength Calculator
Convert frequency into wavelength and calculate common antenna dimensions including quarter-wave, half-wave, and 5/8-wave lengths.
Wavelength & FrequencyOpen
Electrical Length Calculator
Calculate electrical length, wavelength in transmission lines, and propagation delay.
Wavelength & FrequencyOpen
Velocity Factor Calculator
Calculate wavelength, electrical length, and transmission line dimensions using velocity factor.
Wavelength & FrequencyOpen
Friis Transmission Equation Calculator
Calculate free-space path loss, EIRP, and received power using the Friis transmission equation.
Link Budget & RFOpen
Free Space Path Loss (FSPL) Calculator
Calculate wavelength, free-space path loss, and linear loss factor from frequency and distance.
Link Budget & RFOpen
Link Budget Calculator
Calculate free-space path loss, EIRP, and received signal level for RF and wireless communication links.
Link Budget & RFOpen
EIRP Calculator
Calculate Effective Isotropic Radiated Power (EIRP), ERP, and net system gain.
Link Budget & RFOpen
Fresnel Zone Calculator
Calculate Fresnel zone radius, clearance requirements, and obstacle position for wireless and microwave links.
Link Budget & RFOpen
Antenna Noise Temperature Ratio Calculator
Calculate the ratio between antenna noise temperature and a reference temperature in both linear and decibel (dB) scales.
Link Budget & RFOpen
Discone Antenna Calculator
Calculate the recommended dimensions and operating bandwidth of a Discone antenna.
Specific Antenna TypesOpen
J-Pole Antenna Calculator
Calculate practical dimensions, feed point location, and antenna characteristics for a J-Pole antenna.
Specific Antenna TypesOpen
Rhombic Antenna Calculator
Calculate approximate dimensions and characteristics of a Rhombic antenna.
Specific Antenna TypesOpen
Beverage Antenna Calculator
Calculate wavelength, recommended Beverage antenna lengths, height, termination resistance, and DX reception performance.
Specific Antenna TypesOpen
Turnstile Antenna Calculator
Calculate turnstile antenna dimensions, feed line requirements and polarization characteristics.
Specific Antenna TypesOpen
Biconical Antenna Calculator
Calculate wavelength, characteristic impedance and lowest operating frequency of a biconical antenna.
Specific Antenna TypesOpen
Sleeve Antenna Calculator
Calculate the dimensions of a coaxial sleeve (bazooka) antenna including total length and sleeve dimensions.
Specific Antenna TypesOpen
Collinear Antenna Calculator
Calculate wavelength, element lengths, total antenna length, and estimated gain for a collinear antenna.
Specific Antenna TypesOpen
Marconi Antenna Calculator
Calculate practical dimensions and operating characteristics of a quarter-wave Marconi monopole antenna.
Specific Antenna TypesOpen
Hertzian Dipole Calculator
Calculate electrical length, radiation resistance, and gain for an electrically short Hertzian dipole antenna.
Specific Antenna TypesOpen
Cubical Quad Antenna Calculator
Calculate dimensions, spacing, and estimated gain for a Cubical Quad antenna.
Specific Antenna TypesOpen
Moxon Antenna Calculator
Calculate approximate Moxon Rectangle antenna dimensions from operating frequency.
Specific Antenna TypesOpen
Sector Antenna Calculator
Calculate sector antenna gain, wavelength and directivity using beamwidth and efficiency.
Specific Antenna TypesOpen
Cage Antenna Calculator
Calculate wavelength, half-wave and quarter-wave dimensions, and recommended cage dimensions for a cage antenna.
Specific Antenna TypesOpen
Coaxial Cable Impedance Calculator
Calculate characteristic impedance, velocity factor, propagation velocity, and other transmission line parameters of a coaxial cable.
Waveguide & FeedlineOpen
Transmission Line Loss Calculator
Calculate transmission line loss, output power, efficiency and cable performance.
Waveguide & FeedlineOpen
Smith Chart Calculator
Calculate Smith Chart parameters including VSWR, return loss, mismatch loss and normalized impedance.
Waveguide & FeedlineOpen
Waveguide Cutoff Frequency Calculator
Calculate the TE₁₀ cutoff frequency and recommended operating range for rectangular waveguides.
Waveguide & FeedlineOpen
Balun Calculator
Calculate balun impedance ratio, turns ratio and common balun type.
Waveguide & FeedlineOpen
Stub Matching Calculator
Calculate transmission line wavelength, electrical length and approximate stub dimensions.
Waveguide & FeedlineOpen
Ground Radial Calculator
Calculate radial lengths, total wire requirements, and estimated ground system efficiency for vertical antennas.
Ground & Radial SystemOpen
Counterpoise Calculator
Calculate wavelength, radial lengths, total wire requirements, and estimated ground efficiency for a counterpoise system.
Ground & Radial SystemOpen
MIMO Antenna Calculator
Calculate ideal array gain and MIMO characteristics for wireless communication systems.
5G & Modern ApplicationsOpen
5G Antenna Array Calculator
Calculate ideal and realistic 5G antenna array gain, beamforming gain, efficiency loss, and estimated EIRP for Massive MIMO antenna systems.
5G & Modern ApplicationsOpen
Beamforming Calculator
Calculate wavelength, array gain, beam width and phased-array antenna parameters.
5G & Modern ApplicationsOpen
Massive MIMO Calculator
Calculate array gain, beamforming gain, and Massive MIMO characteristics for modern wireless communication systems.
5G & Modern ApplicationsOpen
GPS Antenna Calculator
Calculate wavelength and approximate dimensions for GPS patch antennas.
GPS & SatelliteOpen
Satellite Dish Pointing Calculator
Calculate satellite dish azimuth, elevation angle and slant range for geostationary satellites.
GPS & SatelliteOpen
Satellite Look Angle Calculator
Calculate satellite elevation angle, azimuth angle, slant range, and line-of-sight status for geostationary satellites.
GPS & SatelliteOpen
Professional Antenna Height Calculator
Calculate radio horizon, line-of-sight distance, optical horizon, wavelength, tower classification, and antenna coverage estimates.
Tower & StructuralOpen
Tower Guy Wire Calculator
Calculate guy wire dimensions, anchor recommendations and installation angles.
Tower & StructuralOpen
Radio Horizon Calculator
Calculate the maximum radio line-of-sight distance between two antennas using their heights.
Tower & StructuralOpen
dBm to Watt Calculator
Convert RF power from dBm into watts, milliwatts, microwatts, nanowatts, picowatts, dBW, and linear power ratio.
RF ConversionOpen
Watt to dBm Calculator
Convert RF power from watts to dBm, dBW, milliwatts, kilowatts, and horsepower using standard RF engineering equations.
RF ConversionOpen
dBi to dBd Calculator
Convert antenna gain referenced to an isotropic radiator (dBi) into gain referenced to a half-wave dipole (dBd).
RF ConversionOpen
dBd to dBi Calculator
Convert antenna gain referenced to a half-wave dipole (dBd) into isotropic gain (dBi), including equivalent linear power and field gain.
RF ConversionOpen
dBm to Voltage Calculator
Convert RF power (dBm) to RMS, peak, and peak-to-peak voltage across a known load impedance.
RF ConversionOpen
Voltage to dBm Calculator
Convert RMS voltage into RF power using a specified load impedance. Calculates power in W, mW, dBW, dBm, RMS current, peak voltage, and peak-to-peak voltage.
RF ConversionOpen
MHz to GHz Calculator
Convert frequency from megahertz to gigahertz with free-space wavelength, wave period, and IEEE/ITU band classification.
RF ConversionOpen
GHz to MHz Calculator (Engineering Version)
Convert frequency from gigahertz to megahertz with free-space wavelength and period calculations.
RF ConversionOpen
Frequency to Period Calculator
Convert frequency into signal period and angular frequency using standard engineering units.
RF ConversionOpen
Period to Frequency Calculator
Convert signal wave period to frequency across Hz, kHz, MHz, GHz, and THz, with free-space wavelength, angular frequency, and band classification.
RF ConversionOpen
Degrees to Radians Calculator
Convert an angle from degrees to radians and calculate the corresponding trigonometric values commonly used in RF, antenna, DSP, and engineering applications.
RF ConversionOpen
Radians to Degrees Calculator
Convert radians to decimal degrees, Degrees-Minutes-Seconds (DMS), normalized angles, π multiples, and common trigonometric values.
RF ConversionOpen
Power Density Calculator
Calculate far-field power density, E/H field strengths, FCC/ICNIRP frequency-dependent MPE exposure margins, FSPL, and far-field boundary limits.
RF ConversionOpen
ERP Calculator
Calculate Effective Radiated Power (ERP) from transmitter power, antenna gain, and feed-line loss. Also computes equivalent EIRP and related engineering values.
RF ConversionOpen
ERP to EIRP Calculator
Convert Effective Radiated Power (ERP) referenced to a half-wave dipole into Effective Isotropic Radiated Power (EIRP) and display equivalent engineering power units.
RF ConversionOpen
EIRP to ERP Calculator
Convert Effective Isotropic Radiated Power (EIRP) to Effective Radiated Power (ERP) and display equivalent power in multiple engineering units.
RF ConversionOpen
Reflection Coefficient Calculator
Calculate reflection coefficient, return loss, mismatch loss, reflected power, transmitted power, and transmission coefficients from VSWR.
RF ConversionOpen
Standing Wave Ratio Converter
Convert reflection coefficient magnitude to VSWR, return loss, mismatch loss, reflected power, and delivered power.
RF ConversionOpen
Polarization Loss Calculator
Calculate Polarization Loss Factor (PLF), power coupling efficiency, and cross-polarization discrimination for linear, circular, and elliptical antenna alignment.
RF ConversionOpen
Phase Difference Calculator
Calculate phase shift in degrees and radians from frequency and time delay, along with equivalent physical path difference and wavelength fraction.
RF ConversionOpen
Quarter Wave Transformer Calculator
Calculate exact characteristic impedance, physical/electrical quarter-wave length, reflection coefficient, transformation ratios, and mismatch loss for quarter-wave matching transformers.
Transmission LinesOpen
Transmission Line Delay Calculator
Calculate propagation delay, propagation velocity, guided wavelength, delay per metre, and electrical length of an RF transmission line.
Transmission LinesOpen
Coax Cable Delay Calculator
Calculate one-way propagation delay, round-trip delay, propagation velocity, wavelength in the cable, electrical length, and RF phase shift for a coaxial cable.
Transmission LinesOpen
Stub Length Calculator
Calculate the physical length of an RF transmission-line stub from frequency, velocity factor, and electrical angle. Includes guided wavelength, propagation delay, and common wavelength fractions.
Transmission LinesOpen
Stripline Impedance Calculator
Calculate the characteristic impedance, propagation velocity, delay and wavelength of a symmetric stripline using standard stripline equations.
Transmission LinesOpen
VSWR Loss Calculator
Calculate reflection coefficient, return loss, mismatch loss, reflected power, and delivered power from a specified VSWR.
Transmission LinesOpen
Coax Velocity Factor Calculator
Calculate coaxial cable velocity factor, propagation velocity, propagation delay, and wavelength scaling from the dielectric constant (relative permittivity).
Transmission LinesOpen
Open Stub Calculator
Calculate input reactance, equivalent capacitance/inductance, and physical length for a lossless open-circuited transmission line stub.
Transmission LinesOpen
Short Stub Calculator
Calculate the input reactance, susceptance, and equivalent L/C values of a short-circuited transmission-line stub.
Transmission LinesOpen
Power Divider Calculator
Calculate per-port output power for an equal-split RF power divider.
Transmission LinesOpen
Array Factor Calculator
Calculate the normalized array factor, array factor in dB, phase difference, main beam direction, and estimated array gain for a uniform linear antenna array.
Antenna ArraysOpen
Linear Array Calculator
Calculate directivity, broadside HPBW, array length, and grating lobe safety bounds for a uniform linear array (ULA).
Antenna ArraysOpen
Circular Array Calculator
Calculate element spacing and ideal gain for a uniformly excited circular array.
Antenna ArraysOpen
Broadside Array Calculator
Calculate broadside array gain and half-power beamwidth (HPBW) using zero progressive phase.
Antenna ArraysOpen
End-Fire Array Calculator
Calculate ordinary and Hansen–Woodyard end-fire array parameters including progressive phase, array length, directivity estimate, and gain.
Antenna ArraysOpen
Dolph-Chebyshev Array Calculator (Engineering Version)
Calculates Chebyshev scaling parameter x₀, array directivity, maximum element spacing, and beamwidth for a given SLL.
Antenna ArraysOpen
Binomial Array Calculator
Calculate the binomial excitation coefficients for a uniform linear antenna array using Pascal's Triangle. Binomial arrays eliminate sidelobes at the expense of wider beamwidth and lower directivity.
Antenna ArraysOpen
Smart Antenna Calculator
Estimate coherent beamforming gain, post-beamforming SNR, available adaptive nulling degrees of freedom (DoF), and estimated SINR for linear smart antenna arrays.
Antenna ArraysOpen
Adaptive Array Calculator
Estimate adaptive antenna array processing gain, effective gain, output SINR, and interference rejection using array efficiency.
Antenna ArraysOpen
Massive MIMO Capacity Calculator
Estimate ideal Massive MIMO array gain, effective SNR, spectral efficiency and aggregate channel capacity using Shannon theory.
Antenna ArraysOpen
Phased Array Gain Calculator
Full 2D planar/1D linear phased array solver: computes realized gain, scan loss, EIRP, 3D beamwidths, aperture efficiency, grating lobe boundaries, and far-field distances.
Antenna ArraysOpen
Beam Steering Calculator
Calculate the progressive phase shift required to electronically steer the main beam of a uniform linear antenna array.
Antenna ArraysOpen
Null Steering Calculator
Calculate the progressive phase shift required to steer an array pattern null to a targeted angle for N-element linear arrays.
Antenna ArraysOpen
Side Lobe Level Calculator
Calculate broadside first sidelobe level, HPBW, broadside first null angle, directivity, and grating lobe conditions for linear antenna arrays.
Antenna ArraysOpen
Array Spacing Calculator
Calculate the maximum allowable antenna element spacing to prevent grating lobes for a specified scan angle in a uniform linear phased array.
Antenna ArraysOpen
Radar Range Calculator
Estimate maximum monostatic radar detection range in free space including system losses and flexible sensitivity units.
Radar EngineeringOpen
Radar Equation Calculator
Calculate received power, link margin, signal delay, effective aperture, and key radar metrics for a monostatic target in free space including system losses.
Radar EngineeringOpen
Doppler Shift Calculator
Calculate the Doppler frequency shift for a monostatic radar from target radial velocity and operating frequency.
Radar EngineeringOpen
Radar Cross Section Calculator
Calculate target radar cross section (RCS in m² and dBsm) from transmit power, receiver power, range, frequency, and antenna gain using the monostatic radar equation.
Radar EngineeringOpen
Pulse Width Calculator
Calculate the radar pulse width required to achieve a specified range resolution for a pulsed radar system.
Radar EngineeringOpen
Pulse Repetition Frequency & Ambiguity Calculator
Calculate the maximum pulse repetition frequency (PRF), pulse repetition interval (PRI), duty cycle, wavelength, and maximum unambiguous Doppler velocity for a pulsed monostatic radar.
Radar EngineeringOpen
Radar Resolution Calculator
Calculate radar range resolution, cross-range (azimuth) resolution, beam footprint, and equivalent reciprocal bandwidth from radar bandwidth, antenna beamwidth, and target distance.
Radar EngineeringOpen
WiFi Antenna Calculator
Calculate WiFi antenna dimensions including wavelength, quarter-wave, half-wave, 5/8-wave elements, monopole length with end-effect correction, and recommended ground plane size.
Wireless CommunicationOpen
Bluetooth Antenna Calculator
Calculate Bluetooth and Bluetooth Low Energy (BLE) antenna dimensions, including wavelength, quarter-wave, half-wave, and 5/8-wave antenna lengths for the 2.4 GHz ISM band.
Wireless CommunicationOpen
LoRa Antenna Calculator
Calculate theoretical LoRa antenna dimensions in free space and identify common LoRaWAN regional frequency bands. An optional element correction factor compensates for practical antenna shortening.
Wireless CommunicationOpen
ZigBee Antenna Calculator
Calculate ZigBee antenna dimensions including wavelength, quarter-wave monopole, half-wave dipole, 5/8-wave element, recommended ground plane size, and IEEE 802.15.4 band identification.
Wireless CommunicationOpen
LTE Antenna Calculator
Calculate theoretical LTE antenna dimensions, practical element lengths, wavelength, approximate LTE bands, and recommended MIMO spacing.
Wireless CommunicationOpen
GSM Antenna Calculator
Calculate wavelength and common GSM antenna element lengths for standard cellular frequency bands.
Wireless CommunicationOpen
RFID Antenna Calculator
Calculate RFID wavelength, effective wavelength, propagation velocity, quarter-wave, half-wave, full-wave dimensions, and determine the appropriate RFID antenna type.
Wireless CommunicationOpen
ADS-B Antenna Calculator
Calculate wavelength and practical dimensions for a 1090 MHz ADS-B antenna.
Wireless CommunicationOpen
ISM Band Calculator
Identify common Industrial, Scientific and Medical (ISM) frequency bands and calculate theoretical antenna dimensions.
Wireless CommunicationOpen
UWB Antenna Calculator
Calculate Ultra-Wideband (UWB) antenna parameters including lower frequency, upper frequency, wavelength range, fractional bandwidth, and FCC UWB compliance.
Wireless CommunicationOpen
NB-IoT Calculator
Calculate 3GPP NB-IoT physical layer timing, OFDM parameters, resource block characteristics, and transmission mode using standard NB-IoT subcarrier spacing.
Wireless CommunicationOpen
Cellular Link Budget Calculator
Calculate received cellular signal power (RSRP) from transmitter parameters, antenna gains, and losses.
Wireless CommunicationOpen
OFDM Symbol Calculator
Calculate OFDM useful symbol duration, cyclic prefix overhead, FFT sampling frequency, symbol throughput, efficiency, and related timing parameters.
Wireless CommunicationOpen
WiFi Coverage Calculator
Estimate the theoretical free-space WiFi coverage distance using a link budget. Includes receiver antenna gain, fade margin, maximum allowable path loss, and estimated range.
Wireless CommunicationOpen
LoRa Link Budget Calculator (Engineering Version)
Calculate complete LoRa link margin, theoretical receiver sensitivity from SF/BW, and total allowable path loss.
Wireless CommunicationOpen
BLE Range Calculator
Estimate the theoretical Bluetooth Low Energy (BLE) communication range in free space using the Friis transmission equation and receiver sensitivity.
Wireless CommunicationOpen
RFID Read Range Calculator
Estimate the theoretical maximum passive UHF RFID read range using the Friis transmission equation under free-space conditions.
Wireless CommunicationOpen
Wireless Power Transfer Calculator
Estimate received power, efficiency, power loss, and RF power level for a wireless power transfer (WPT) system using coupling and system efficiency.
Wireless CommunicationOpen
Drone Antenna Calculator
Calculate antenna dimensions, wavelength, propagation delay, Fresnel zone radius, and free-space path loss for common drone communication links.
Wireless CommunicationOpen
Smart Meter Antenna Calculator
Calculate smart meter antenna dimensions (quarter-wave, half-wave, 5/8-wave) across ISM bands for wire whips, FR4 microstrip traces, and polyimide flex PCBs.
Wireless CommunicationOpen