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Anritsu S331L Compact Handheld Site Master

The Site Master S331L is an all inclusive 1-port cable and antenna analyzer covering the 2 MHz to 4 GHz range, with a built-in InstaCal™ module and a built-in power meter. Standard measurements include:



  • Return Loss

  • VSWR

  • Cable Loss

  • Smith Chart (50/75 ohm selectable)

  • 1-port Phase

  • Distance-to-Fault Return Loss

  • Distance-to-Fault VSWR

  • RF Power (50 MHz to 4 GHz)

  • VIP Mode; Optical connector inspection with IEC 61300-3-35 based Pass/Fail standard (requires USB Video Inspection Probe G0306A, sold separately)


  • Key Features



    • 2 MHz to 4 GHz Handheld Cable and Antenna Analyzer, impact, dust, and splash resistant

    • More than 8 hours of continuous battery operation

    • Standard built-in InstaCal™ module and Power Meter

    • FlexCal™ maintains calibration with frequency changes

    • Familiar S331D-like Classic Mode and S331E-like Advanced Mode

    • Built-in one button Help function

    • 800 x 480 7” TFT touch screen display and multiple USB ports

    • Internally store >1000 files with fast preview of stored traces

    • Industry standard *.dat format compatible with Line Sweep Tools (LST) and HHST

    • Optical Connector Inspection (requires Visual Inspection Probe)

    • SkyBridge Tools™ Trace Manager Empowered

    • Standard three-year warranty (battery one-year warranty)

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