хорошая цена GSM FWP

gsm fwp Features: ² GSM Industrial module embedded.² Graphic LCD display ( 1.9" color LCD)² CLIP (Call Line Identification Presentation)² Voice mail and Short Message Service² Call hold, call waiting, call forward, call transfer, call barring² Three party conferencing² Speed dialing² SIM lock, network lock, cell lock ² Emergency call without SIM card² High gain antenna² Powerful phone book² Backup poly-li battery² Incoming call reminder² Hands Free Available ² Call Records Specifications: Network support: GSM900 and GSM1800 (GSM850/1900Mhz)Power supply:GSM850/900 mode - class 4 (2W) GSM1800/1900 mode - class 1 (1W) Backup Battery: lithium batteryTalking Time: up to 5 hours (network depended) Standard Time: up to 72 hours (network depended) Environment:• Operating temperature range: -10°C to +55°C• Storage temperature range: -20°C to + 60°C• Humidity: 5% to 95%AC-to-DC Switching Power Supply • Voltage: 100 - 300 V AC• Frequency: 50/60 Hz