The LMR Master S412E is a compact handheld multi-function analyzer that offers unmatched measurement breadth, depth, and precision while reducing the number of different instruments needed to verify operation and diagnose problems. This highly-integrated handheld instrument is specifically designed for technicians and engineers who install and maintain public safety, utility, and private mobile communications systems. The LMR Master is the only truly portable solution for analysis and mapping of P25 TDMA Phase 2, ITC-R Positive Train Control, and FirstNet Public Safety LTE.