GF-1000 GSM Modem is the Plug & Play solution from Siemens's GSM module for quick and easy integration. The wide performance range and robust case of GF-1000W GSM Modem enables you to quickly develop new telemetry and telemetric applications. GF-1000W GSM Modem is backwards-compatible with its predecessor the GF-1000W GSM Modem. It offers additional features, such as SIM application toolkit and extended AT Commands for the industrial environment. GF-1000W GSM Modem istheideal solution forvoice, data, SMSand fax communication,thanksto its industrialstandard interfacesand integrated SIMcardreader. This ultracompact, dual-band GSMTerminal can bepoweredby a wide range ofvoltages. It is R&TTE,GCF andE-markingapproved. GF-1000W GSMModem is housed in a casingsimilarto many boxed modems;indeed it will replace suchdevices ina greatnumber ofapplications.FeaturesDual-band EGSM900 andGSM1800Compliant to GSM phase2/2+Output power: Class 4 (2W) forEGSM900, Class1(1W) forGSM1800Control via AT commands SIMApplication toolkitMultiplex RS232 interfacePower supply voltage range from 5-25V/DC(9Vrecommended)Dimensions 75*50*16mmWeight 150gWorking ambient temperature -20℃to +55℃Data transferCSD up to 14.4 kbps, USSD, Nontransparentmode,V.110 supportsdifferent character framing modese.g. 8N1, 7E1FaxGroup 3, Class 1, 2SMSPoint-to-point MO and MT SMS cellbroadcastTextand PDUmodeAudioHalf Rate (HR)Full Rate (FR)Enhanced Full Rate (EFR)InterfacesPlug in power supplyMini-SIM card readerAntenna connector SMA(male)Standard serial Port(DB-9)Operating status LED