3 SIM card slots (1 SIM card per GSM channel)
Asterisk Compatibility
USB interface; IDE rack mountable/U rack mauntable*
3 x GSM 800/1800/1900MHz modules
3 x Quad band GSM modules also available"
Output pwer: clas 4 (2 watt) in EGSM900/EGSM850, clas 1 (1 watt) in PCS1800/PCS1900
100% Linux/Asterisk compatibility
Antenna connectors: 3 female SMA 50 Ù
3.0V and 1.8V SIM cards supported
Operation temperature: -20 °C to +45 °C
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