The Anritsu Site Master is a hand-held SWR/RL and DTF cable tester, with a built-in signal source, and frequency coverage of 25 to 3300 MHz. The Anritsu Site Master is used in VHF, broadcasting, paging, and cellular etc bands. Data-entry key-pads and LCD apart, this new Cable / Antenna Analyzer has a larger VGA display (with adjustable settings), optional time monitor for quick and easy measurements and alpha-numeric traces for distinct naming. This S331B Cable Tester's extended memory capacity can track 200 locations and its field battery can extend operations from 2.5 hours normal to 8 hours a day. The Cable / Antenna Analyzer locates faulty RF components, return loss or cable insulation loss. The Anritsu Site Master reduces maintenance expenses and improves quality of today's wireless system infrastructure to eliminate problems.