Antenna Length Calculator
Convert frequency to wavelength instantly. Use this tool to find the precise wire length for dipole and vertical antennas to ensure perfect SWR and resonance.
February 9, 2026
RF & Microwave Engineering
Advanced RF and microwave engineering calculators for high-frequency design. Analyze antenna propagation, calculate cable impedance, and estimate signal transmission loss with precision. Perfect for RF engineers optimizing wireless systems and maintaining signal integrity.
Wavelength Calculator
Convert frequency to wavelength, wavelength to frequency, or energy to wavelength. Features include electromagnetic spectrum visualization, formulas, and examples.
February 9, 2026
Antenna Gain Calculator
Quickly calculate the theoretical gain of a parabolic dish antenna with this interactive tool. Input your antenna diameter, frequency, and efficiency to instantly determine the gain in dBi. An essential resource for RF engineers and satellite communication enthusiasts to optimize signal focus and performance.
February 9, 2026
VSWR Calculator
Calculate VSWR, return loss, and reflection coefficient using power, impedance, or gamma. Includes a conversion chart, formulas, and RF engineering guides.
February 9, 2026
Attenuator Calculator
Calculate resistor values for Pi, T, and Bridged-T attenuators. Match impedance and achieve precise dB attenuation for your RF circuits with this free tool.
February 9, 2026
Noise Figure Calculator
Calculate cascaded noise figure and total gain using the Friis formula. Features multi-stage analysis, noise contribution charts, and RF system core concepts.
February 9, 2026
Free Space Path Loss Calculator
Calculate Free Space Path Loss (FSPL) instantly for any frequency and distance. Learn the FSPL formula, how it works, and how to use it for RF planning. Includes advanced link budget options.
February 9, 2026
Link Budget Calculator
Calculate received power and link margin with our interactive link budget tool. Account for Tx/Rx power, antenna gains, and free-space path loss (FSPL) in dB.
February 9, 2026
Fresnel Zone Calculator
Calculate Fresnel zone radius and clearance height with our free online tool. Ensure optimal wireless signal strength by avoiding obstructions in your RF path.
February 9, 2026
dBm to Watt Converter
Convert dBm to Watts instantly with our free online calculator. Learn the formula, see practical examples, and use our handy conversion table. Perfect for RF and network engineering.
February 9, 2026