The present operation manual is intended for studying operation principle, running conditions and maintenance of 2SIM
communication module Astra-GSM (hereinafter ―module‖) (Figure 1).
The manufacturer reserves the right to make alterations regarding refinement of the product without prior notification. All
changes will be imported into new edition of the operation manual.
1 Function
1.1 The module is designed for operation as a part of Pro-
series Astra-branded control panels (Astra-8945 Pro, Astra-712
Pro, etc.).
1.2 The module is intended for data transmission via mobile
communication channels of GSM 900/1800 MHz standard.
Message standards supported:
– voice messages,
– digital standards: Contact ID, SIA FSK, Argus-SТ, Pro-Net
and SIA-IP,
– SMS (simple text and Ademco SMS),
The module allows of system remote control from user mobile
phone using SMS .
1.3 The module is designed for continuous round the clock
work.
2 Technical Specification
Number of subscribers .............................................................. 8
Number of SIM-cards ................................................................ 2
Supply voltage, V .......................................................... 5,0 ± 0,1
Current consumption, mA, max:
peak value ............................................................................. 800
transmitting mode .................................................................. 350
standby mode .......................................................................... 80
Technical readiness time
by each SIM card, sec, max .................................................. 150
Overall dimensions, mm, max ................................. 65 28 30
Weight (without antenna), kg, max ..................................... 0,017
Operating Conditions
Temperature, оС ................................................. from -10 to + 55
Relative air humidity, ................................. .up to 93 at + 40 C
without moisture condensation
3 Delivery Set
Astra-GSM module. ........................................................ …1 pcs.
GSM antenna .................................................................... 1 pcs.
Operation manual. ............................................................. 1 pcs.
4 Structure
The module is designed and delivered as a printed circuit board
with radio elements (see Figure 1).
Figure 1
5 Installation
5.1 After transportation in conditions differing from those of
operation, the module must be kept unpacked for at least 4
hours in supposed operating conditions.
5.2 Works on installation, mounting, maintenance and
operation of the module must be performed only by persons
approved for electrical installations up to 1000 V after careful
study of this operation manual.
5.3 Installation Procedure
1) Switch off control panel power.
2) Remove the cover by unscrewing two screws on the lower
part of the base.
3) Remove the cap of GSM antenna insertion hole at the up-
per part of the base.
4) Install the module onto the slot A of the control panel PCB.