
Guardian Series
Best Value and Reliability for Class B ½ watt Public Safety Building Regulations
Our Guardian Series Public Safety Band signal booster amplifies FirstNet signals for crucial communications, delivering consistent signal for First Responders and other public safety officials who rely on two-way radio communication inside large buildings.
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TowerIQ Acquires SureCall Guardian Series
We are pleased to announce that our parent company, Potter Electric Signal Company, acquired the Guardian product line from SureCall. We’ve been working with SureCall for several years and have been impressed with their Guardian product line. We expect our relationship with SureCall will provide for a smooth transition. We will combine the Guardian product line with the TowerIQ business to offer you both Class A narrowband and Class B wideband solutions. The combined portfolio provides you with one of the broadest state-of-the-art wireless communications technologies, meets IFC, NFPA, FCC, and UL2524 requirements and is FirstNet Ready.
Feel free to contact us at cs@tower-iq.com or 844-626-7638 with any questions.
Thank you for your continued support!
Improves coverage for Public Safety Cellular Network Frequencies: (UL: 799-805, 806-816 & DL: 769-775, 851-861)
Class A, 32 channel independently controlled channels per band with Auto Gain Control (AGC) for each channel
90 dB gain, 2-Watt system » Meets the code for NFPA 72/1221 and IFC 510
NEMA-4 rated amplifier housing » Ethernet port with built-in SureCall Sentry™ remote monitoring hardware
Integrated dry contact 12-pin alarming
UPS port for external battery backup
Automatic gain control (AGC) and Oscillation Detection
Energy-saving operation allows bands to remain dormant when not in use
A/C 110V or D/C 24- 30 V power option
Independently adjustable frequency attenuation for uplink and downlink (Reduce gain in -1 dBm increments)
Industry leading 3-year warranty, 5-year extended warranty available
GuardianA
Public Safety Band Signal Booster
Our GuardianA Public Safety Band Signal Booster enhances in-building coverage for crucial communications, delivering consistent signal for First Responders and other public safety officials who rely on two-way radio communication.
GuardianA is a Class A, 2-Watt, bi-directional amplifier with a maximum gain of 90 dB supporting both the 700 and 800 MHz Public Safety frequency bands.

Guardian4
Public Safety Band Signal Booster
Our 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
Provides improved coverage for Public Safety 700 MHz in Canada
80 dB gain for Public Safety Band
Features built-in SureCall Sentry™ remote monitoring with ethernet port
Integrated 7-pin alarm and UPS port for external battery backup
NEMA-4 rated amplifier housing. No additional NEMA enclosure(s) needed
Dry contact 7-pin alarm, UPS and Ethernet port for remote monitoring
Energy-saving operation allows bands to remain dormant when not in use
Automatic gain control (AGC)
Independently adjustable frequency attenuation for uplink and downlink (Reduce gain in -1 dBm increments)
Guardian QR700
80 dB Public Safety Band Signal Booster
Our Guardian QR700 is a Public Safety Band signal booster that amplifies 700 MHz in Canada for crucial communications, delivering consistent signal for First Responders inside buildings with weak signal strength.

Guardian3 QR - Obsolete
80 dB Public Safety Band Signal Booster
Our Guardian3™ QR 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.
Guardian3 QR (Quick Response Unit) is equipped with a tri-band booster that has a maximum gain of 80 dB on the Public Safety frequency bands, supporting 700 MHz (FirstNet Ready), 800 MHz, and 900 MHz SMR (Specialized Mobile Radio Service).

Provides improved coverage for Public Safety 700 MHz (FirstNet), 800 MHz and 900 MHz (SMR)
80 dB gain for Public Safety Bands
Features built-in SureCall Sentry™ remote monitoring with ethernet port
Integrated 7-pin alarm and UPS port for external battery backup
NEMA-4 rated amplifier housing. No additional NEMA enclosure(s) needed
Meets the code for NFPA 1221 and IFC 510
Dry contact 7-pin alarm, UPS and Ethernet port for remote monitoring
Energy-saving operation allows bands to remain dormant when not in use
Automatic gain control (AGC)
A/C 110V or D/C 16-24V power option
Independently adjustable frequency attenuation for uplink and downlink (Reduce gain in -1 dBm increments)