====== Access control ======

**GSM modem**

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| Model number: ^   GSM-1              |
| Mounting:     | Cabinet; DIN rail 2M  |
| Dimensions:   | 36x117x70mm           |

===== Applications =====

  * Access control
  * Heating/cooling/device switching
  * Alarm signalling


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===== Features =====

  * activate a function with a call (free of charge, call is denied)(i.e. open garage door with a call)
  * activate a function with SMS message
  * call predefined number(s) when condition is met (i.e. call for burglary alarm)
  * send tailored alarm SMS message to predefined number(s)
  * read/check state with SMS message
  * custom programming required
  * can work in Stand-Alone mode

===== Manual =====

Download {{hiq_hardware:gsm-1-user-manual-v1.10.pdf|GSM-1 User Manual}}

For a stand-alone operation, connect power supply to +24V and GND terminals.

===== Technical specification =====

|Antenna|internal or external    |
|Connector  |SMA with automatic switch    |
|External antenna     |50ohm nominal    |
|Analog inputs range    |0..10V (10 bit ADC, 0..1023)   |
|Internal pull-up     |12V/2mA   |
|Output type     |relay contacts, normally open    |
|Load     |max. 3A/30VDC/250VAC, resistive load    |
|Three band     |GSM/GPRS 900/1800/1900 MHz    |
|GPRS class     |mobile station class B   |
|Performance     |class4 (2W) for 900 MHz    |
|:::|class1 (1W) for 1800/1900 MHz    |
|Power supply |24V(18-26V)/75mA (standby)/100mA (active)    |
|IEX-2 baud rate |20, 50, 100, 250, 500kbps, auto selectable    |
|Operation temperature |0..50°C, 0..85% rh non-condensing    |
|Mounting |DIN rail 2M (35mm)    |
|Weight gross |150g    |
|Enclosure protection |IP20    |