The VIAVI OneAdvisor 800 Wireless is an all‑in‑one installation and maintenance solution for GSM and GSM‑R networks. It provides a 100 MHz real‑time persistence spectrum from 9 kHz to 6 GHz, along with over‑the‑air RF spectrum, spectrogram, and persistence testing supported by 72‑hour logging to capture intermittent interference. Its channel scanner with route mapping tracks RSSI and coverage across multiple carriers and technologies. Additional capabilities include cable and antenna analysis, two‑port transmission testing, and automated workflows, making it a comprehensive tool for efficient and reliable GSM/GSM‑R field operations.

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