• 4 SIM card slots (1 SIM card per GSM channel)
• Asterisk Compatibility
• USB interface; IDE rack mountable/U rack mauntable*
• 4 x GSM 800/1800/1900MHz modules
• 4 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: 4 female SMA 50 Ù
• 3.0V and 1.8V SIM cards supported
• Operation temperature: -20 °C to +45 °C
• dimensions: 220mm x 146mm x 42mm
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