SureCall Guardian3

by SureCall

Product discontinued

The SureCall Guardian3 has been discontinued by the manufacturer.

A replacement is available here: SureCall Guardian3 QR

Product Description

The SureCall Guardian3 is a tri-band booster designed to provide consistent signals for crucial First Responder communications inside police stations, fire departments and hospitals.

This bi-directional amplifier offers up to 80 dB gain. The Guardian3 serves serves the full Public Safety 700MHz and 800MHz bands as well as the 900MHz SMR (Specialized Mobile Radio Service). It covers up to 80,000 square feet.

The Guardian3 includes a NEMA-4 watertight enclosure. It comes with a 3-year warranty.


  • Built-in safeguards eliminate interference to public safety network
  • Software upgradable in the field
  • Stealth technology incorporated- uplink becomes dormant when not in use, providing power-saving operation
  • Independently adjustable uplink and downlink
  • Lowest out of band emissions
  • Embedded CPU for each band for smarter technology
  • Uplink/downlink oscillation detection
  • Auto Gain Control (AGC) and automatic shut down
  • Quality metal construction, durable and resilient
  • Compartmentalized design increases clarity and reduces noise
  • NEMA-4 watertight enclosure. 


Dimensions 15.5 x 11 x 3.5 inches; 21.5 x 17 x 6 inches with NEMA Rated Enclosure
Gain 80 dB
Connector type N Female

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