FEXTFiberPower is a handy toolkit for RF in one place. It helps you plan SPR index shifts, array spacing, and safe beam steering. You can check MIMO capacity fast and spot grating lobe risks early. It estimates EIRP levels and people “keep-out” distances to stay within rules. Track EMC pre-scan peaks, compare to limits, and see hot spots by band. Pick immunity test levels with ready IEC/EN presets and clear step sizes. Predict cable NEXT/FEXT, so you can avoid noisy runs before install. Plan optical power budgets, and total connector/splice loss to keep links solid.