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Anritsu S331L Single-port cable and antenna analyzer, 2 MHz to 4 GHz

Anritsu S331L Single-port cable and antenna analyzer, 2 MHz to 4 GHz
Manufacturer: Anritsu

The Site Master S331L is a single-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
  • Distance-to-Fault Return Loss
  • Distance-to-Fault VSWR
  • RF Power (50 MHz to 4 GHz)


The S331L is a rugged, handheld cable and antenna analyzer. The S331L replaces the current value line S331D which is part of the longest running portable cable and antenna analyzer family in history. The S331L is optimized for field conditions, easy to use, and has efficient sweep management capabilities. The S331L an 8-hour battery operating time, the most ever offered in a handheld cable and antenna analyzer. The S331L large outdoor viewable 7” TFT touch screen display, new intuitive GUI, and classic mode that mimic the S331D basic measurement flow, the S331L is easy to use, and can increase a user’s efficiency in the field.

The S331L is for contractors, installers, and wireless service providers who needs to make basic cable/antenna and power measurements.. The simple no option configuration and high value pricing make the S331L ideal for tower contractors.

For contractors who don’t have time to look for nearby power sources, the S331L will last an entire workday on a single battery charge, meaning you can be a lot more productive with your day. Not only does the Site Master S331L run longer, it also has a lot more memory internally so you don’t have to worry about running out of space for all of those extra measurements you just made. Your CAPEX affects your profitability, and your stability. The new S331L is the best value in a handheld cable and antenna analyzer period. You can get more done with minimal negative impact on your operating expenses.