SureCall Guardian3 Quick Response Public Safety Bi-Directional Amplifier

SureCall Guardian3 Quick Response Public Safety Bi-Directional Amplifier

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This is a commercial-grade premium price product. The final price depends on configuration. Our experts can help you design the most cost-efficient solution tailored to your needs.

CALL US: 1-800-969-8189
  • No Tax For Orders Outside Texas.
  • Risk Free 30 Day Money Back Guarantee.
  • 3 (Three) Year Manufacturer's Warranty.
Public safety solution for coverage up to 80,000 sq. ft.
  • NFPA and IFC approved.
  • Complete kit: all parts included, no monthly fees.
  • Boosts Public Safety bands.
SureCall Guardian3 Quick Response Public Safety Bi-Directional Amplifier

About This Product

From low to more bars instantly!

The SureCall Guardian QR (Quick Response) is the most installer-trusted public safety signal booster in USA & Canada. Because SureCall has been the only company to report real coverage expectations and still overdeliver in performance.

With up to +80 dB gain of amplification, it greatly enhances 700 MHz (FirstNet Ready), 800 MHz, and 900 MHz SMR (Specialized Mobile Radio Service) signal for First Responders and other public safety services inside large buildings up to 80,000 sq ft. Supports up to 100+ simultaneous users per band.

Meets NFPA 72, 1221 and IFC 510 standards. NEMA4-rating. Equipped with dry contact 7-pin alarm capability, UPS and Ethernet port enabled remote monitoring.

SureCall is the only cell phone booster name in the market to provide guaranteed results or 60-day money back guarantee and 3-year manufacturer's warranty. Sure signal. Sure coverage. SureCall.

  • Boosts Public Safety 700 MHz , 800 MHz, and 900 MHz SMR for any building to 80,000 sq ft.
  • Works for all phones & cellular devices, all US & Canadian carriers.
  • Complete kit: all parts included, no monthly fees.
  • NFPA and IFC approved
  • SureCoverage Guaranteed: Better signal or 60-days money back & 3 year warranty
FREE Same Day Shipping
60 Day Money Back Guarantee
3 (Three) Year Warranty
100% Secured Checkout

Installation & Deployment

At Signal Boosters we provide full turnkey integration of in-building wireless (IBW) systems that amplify signal indoors, delivering the signal you need to get the job done. From the first call to post-project, Signal Boosters handles every detail personally in-house. Our team of RF engineers, system integrators, designers, and certified signal boost specialists take complete ownership of your project.

1. Assessment
  • Pre-survey
  • Site survey
2. System Design
  • Data analysis
  • Floor plans
  • Equipment & Pricing
3. Installation
  • Installing equipment
  • Optimization
4. Support
  • Documentation
  • Monitoring & support

Tech Specs

SureCall Guardian3 QR Public Safety Signal Booster
Frequencies - Uplink 788-805 MHz; 806-824 MHz; 896-901 MHz (Including D Block)
Frequencies - Downlink 758-775 MHz; 851-869 MHz; 935-940 MHz (Including D Block)
Supported Standards Public Safety 700 (FirstNet), 800 and SMR 900
Input Impedance 50 Ohm
Maximum Gain 80 decibels (dB)
AC Power Transmitter Input AC 110 V, 60 Hz
P1dB 31.5 dBm
Connectors N-Female
Power Consumption 50W
Dimensions 21.5 x 17 x 6 inch
Weight 49.6 lb
UPC 729198496203


This is NOT a CONSUMER device. It is designed for installation by FCC LICENSES and QUALIFIED INSTALLERS. You MUST have an FCC LICENSE or express consent of an FCC Licensee to operate this device. Unauthorized use may result in significant forfeiture penalties, including penalties in excess of $100,000 for each continuing violation.


The SureCall Guardian3 QR can be customized for your specific needs. Contact our dedicated public safety solutions team
(1-800-470-6777 or pro@signalboosters.com) to assist you in every step of the way.

  • Guardian3 QR Bi-Directional Amplifier with NEMA Enclosure
    Guardian3 QR Bi-Directional Amplifier with NEMA Enclosure
  • Power Supply
    Power Supply
  • Mounting Hardware
    Mounting Hardware

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