We will be performing scheduled maintenance on our website the evening of Thursday, June 8, which may cause temporary outages. We apologize for any inconvenience this may cause.


Public Safety Band Signal Booster

The Guardian4™ Public Safety Band signal booster amplifies FirstNet signals for crucial communications, delivering consistent signal for First Responders and other public safety officials relying on two-way radio communication inside large buildings.

The Guardian4 is a bi-directional amplifier with a maximum gain of 80 dB on the Public Safety frequency bands, supporting 700 MHz (FirstNet Ready) and 800 MHz.

Note: FCC-GROL license is required to commission/register the Public Safety Band signal booster.

  • Note a NFPA 1221 compliant power supply for battery back backup is not included in the bill of material.
  • Potter offers the NEWMAR PE series power supplies for public safety boosters.
  • Complete the Online Design Request Form
  • DB strength reading outside of building, and building floorplans (CAD prefereed) are required. 
  • We will start the design process and respond directly to you in 3-4 business days with custom system design and bill of material

Documents & Resources


Sentry Software
In order for this software to run properly, you must have updated drivers. Click here to download these drivers.
exe | zip 2.83