Signal Transmission & Loss

Calculate cascaded noise figure and total gain using the Friis formula. Features multi-stage analysis, noise contribution charts, and RF system core concepts.

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.

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.

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.

Calculate received power, distance, and antenna gain with our Friis Transmission Calculator. Includes free-space path loss and logarithmic formulas for RF design.

Calculate radio horizon and assess signal path clearance for wireless links. This tool helps engineers, technicians, and RF planners determine if a direct line of sight exists, accounting for Earth’s curvature and atmospheric refraction.

Use this powerful, interactive calculator to measure the Signal-to-Noise Ratio (SNR) of your data. Whether you’re in audio, imaging, or communications, understand what your SNR means and how to improve it.

Model wireless link viability with our RF line of sight tool. Calculate Fresnel zone clearance and Earth bulge effects to ensure reliable point-to-point signals.

Calculate point-to-point wireless range and Fresnel zone clearance. Explore how frequency, power, and antenna gain affect distance for various link technologies.

Calculate Line of Sight (LOS) distance with our free tool. Learn the formulas, earth curvature effects, and atmospheric refraction factors for radio and radar.