Resources

Free engineering tools for RF integrators: System Builder, QIMD Calculator, VSWR Calculator, and Antenna Downtilt Calculator. Browser-based; some need a free member account.

Resources

Engineering tools + calculators

Browser-based RF design tools — System Builder, intermodulation (QIMD), VSWR / return loss and antenna downtilt. Some tools are open to everyone; the advanced ones unlock with an approved Telewave membership — approval typically takes one business day.

Labs

System Builder

Wizard-driven repeater system builder — frequency in, BOM out, with isolation, harmonic, and rack-power checks.
Labs

QIMD Calculator

Quick intermodulation distortion analysis for multi-frequency repeater plans.
Labs

VSWR Calculator

VSWR and return-loss conversion + sweep-trace interpretation.
Labs
Antenna Downtilt Calculator
Where a beam of a given vertical beamwidth meets the ground from a given height and tilt, or the tilt that puts it at a chosen distance. Drawn to scale, with the states where the geometry stops supporting a number.