Antenna; Specifications; Mechanical; Electrical - Honeywell AlarmNet 7845GSM Installation And Setup Manual

Antenna

The 7845GSM comes equipped with an internal antenna. This feature provides additional
security to the installation by making the device tamper resistant.
AMPS antennas, such as the 7825-OC antenna, cannot be used with this product.

Specifications

Mechanical

Dimensions: 8.4" x 8.0" x 1.5"
Weight: 2.4 lbs., with battery

Electrical

Input Power: 9VAC, 15VA transformer, Honeywell part number 1332/1332CN in Canada
(included)
Backup Battery: 6V, 3.1AH, Honeywell part number K14139, (included)
Current Drain: 35mA average standby, 500mA peak transmit
Fault Relay Output: Open collector, 12VDC, .25W max.
Input Trigger Levels: (V+) 2V – 13V
RF
Transceiver Type: Tri-Band GSM/GPRS Class 10
Modulation: GMSK
Antenna: Internal GSM quad-band antenna 1.3 dBi gain
Transmission
Frequency
Band
(MHz)
GSM 850 824-849
GSM 1800 1710-1785
GSM 1900 1850-1910

Environmental

Operating temperature: -20º to +55ºC
Storage temperature: -40º to +70ºC
Humidity: 0 to 90% relative humidity, non-condensing
Altitude: to 10,000 ft. operating, to 40,000 ft. storage
WWW.DIYALARMFORUM.COM
(V-) 0V – 1V
Transmit
Power Frequency
(dBm)
33
33 1805-1880
33 1930-1990
WWW.DIYALARMFORUM.COM
Receive Receive
Sensitivity
(MHz)
(dBm)
869-894 -107
-106
-105.5
Section 1: General Information
Number Channel
of
Spacing
Channels
(MHz)
124 200
374 200
299 200
Duplex
Separation
(kHz)
45
95
80
1-3