Technical Guide

SureCall | 48346 Milmont Drive, Fremont CA 94538 | 1-888-365-6283 | support@surecall.com
3
Introduction & Overview
Introduction & Overview
CHAPTER 1: INTRODUCTION & OVERVIEW
1.1 Product Overview
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.
In the majority of cases, newly constructed buildings with considerable size, or existing buildings that increase capacity by
expanding the building footprint are required to have signal strength of -95 dBm or better in designated critical areas –
Emergency Command Centers, Fire Pump Rooms, stairwells, standpipe, cabinets, etc – in order to receive a certificate of
occupancy. GuardianA meets the code for NFPA 72/1221 and IFC 510 and features a NEMA-4 rated amplifier housing.
Additionally, the GuardianA comes equipped with dry contact 7-pin alarming compatibility, UPS and Ethernet port enabled
remote monitoring. SureCall provides an industry leading 3-year warranty – extendable to 5 years.
1.2 Package Contents
Your BDA box contains the following items:
GuardianA bi-directional amplifier with NEMA-4 rated housing and mounting kit
Alarm cable and connector – (5 ft, USB)
AC power cable (4 ft)
DC power cable (4 ft 9 in with connector)
1.3 Additional Items Needed
The GuardianA needs the following additional components for a complete install:
One External antenna
a
(directional Yagi)
Multiple Inside antennas
b
(omnidirectional domes and/or directional panels)
Cable splitter for inside antennas
c
Sufficient lengths of ultra-low loss interior/exterior cable, 50-ohm
d
Lightning surge arrestor
Grounded surge suppressor for DC power supply
Ethernet cable
Note: Some component options are listed in table below. Not all accessories are listed.
1.4 Key Features & Benefits
Improves coverage for Public Safety Band 14 Cellular Network Frequencies: (UL: 779-805, 806-816 & DL: 769-775, 851-861)
Class A 32 Channel, 90 dB gain, 2-Watt system
Meets the code for NFPA 72/1221 and IFC 510
NEMA-4 rated amplifier housing. No additional NEMA enclosure needed
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- 30V 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