The VIAVI 8800SX Digital Radio Test Set features a 12‑inch display, rugged MIL‑STD 28800F Class 3 durability, and a base unit weight of 7.71 kg. It runs on an internal battery providing over 2.5 hours at full backlight. The unit supports 50 W continuous and 125 W cyclical direct input power, with an optional wideband RF power sensor offering 500 W measurement with 4% accuracy. It includes digital audio record and playback, quick presets, frequency lists, and Fast Stack for rapid meter access. The tracking generator enables VSWR, return loss, distance‑to‑fault, and duplexer tuning. It supports major LMR systems including P25, P25 Phase II, DMR, NXDN, dPMR, ARIB T98, and AM/FM.

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