Anritsu Site Master S331C

S331cCovering the 25 MHz to 4000 MHz frequency band, the Site Master S331C is designed to accurately locate and identify RF cable feed-line and antenna system faults. This model is ideally suited for any experience level user in commissioning and maintenance of today's wireless systems infrastructures including VHF, broadcasting, paging, cellular, PCS/GSM, ISM, and WLL applications.

S331C measurement capability includes precision return loss/SWR, cable loss and distance-to-fault measurements. Patented RF interference rejection enables accurate, repeatable measurements in the presence of high RF activity. Data analysis software enables assessment of system trends, problems, and performance in addition to professional report generation. An optional power monitor is available to make power measurement quickly and easily.


  • Frequency range 25 to 4,000 MHz
  • Measures return loss, SWR, cable loss, and distance to fault
  • Integral synthesized signal generator
  • Return loss range 0.00
  • Distance to fault range 1000 m.
  • Insertion loss range -120.00 to +100 dB
  • Cable loss range (one port) 0.00 to 20.00 dB
  • Type n(f) port.
  • RS232 interface for printer or PC
  • Analysis software discs included containing distance to fault and Smith chart tools
  • Lightweight at only 1.36kg - 2.14kg
  • Alphanumeric Labeling of Saved Measurements
  • Automatic Time and Date Stamp of Saved Data
  • Rechargeable, Field Replaceable Battery
  • RS232 Interface