GSM resender_______________ GsmAlarm-300
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6
7. TECHNICAL SPECIFICATIONS
Wire line emulator
Emulation of a regular telephone line
Dialling: DTMF only
Wire line input
Input impedance
Checking of line voltage
Line identification voltage
>1 MΩ
continuous
>6 V
Outputs C2 (GSM Fail) and C3 (PSTN Fail)
Type
Active state
Inactive state
Maximum commutated current
Maximum commutated voltage
Resistance in active level
MOSFET, open drain
Connected with GND
Open contact
200mA
20 V
<40 Ω
GSM module
Operation frequency
Maximum RF output power
900/1800 MHz
2W/1W
Wire line - GSM commutator
relay
Power source voltage
10.5 ... 15V, DC
Current consumption
Non-activated state, wire line is on
Non-activated state, wire line is off
SMS sending or speech mode
<80 mA
<60 mA
<330 mA
Dimensions
140 x 58 x 16 mm
