无线减贫战略的调制解调器

WirelessGPRSmodem is widely adopted in the following fields: long-distance information processing and transmission, remote sensing, remote equipment monitoring and telecommunication, etc. Features: Support EGSM850M and GSM1900M dual band Provide data, voice, short message and fax Maximal circuit data speed: 14.4Kbps Voltage range: 6 to 30V Low power consumption International standard interface Integrated LED to show the working state Adopt GSM phase 2/2 of standard attestation Adopt standard RS-232 interface Adopt the fourth GSM transceiver maximum 2W Provide analog voice input/output services Provide SMS services, supports both PDU and block mode, and meet GSM 07.05 standard Adopt GPRS class 10 standard Uplink data speed: 26.8Kbps Downlink data speed: 53.6Kbps AT order according with GSM 07.07, GSM 07.05 and V25 standards Hardware : Dimensions 97 x 54 x 25mm Weight 108g Interface : Electricity input interface 2 pins Information interface RS232 (D-sub 15pin female) Antenna interface SMA (female) Voice interface RJ11 SIM room drawer structure Temperature : Working temperature: from -20 to +65'C Storage temperature: from -25 to +75'C Power : Working voltage from 6V to 30V Current : 25mA (standby) 360mA (working) Protection circuit: Embed surge current prevention system Embed reverse plug prevention system Embed over loading current prevention system Embed EMC control circuit Embed SIM card detection Work indication : Bright, working smoothly LED gleam slowly, means modem has already find the network LED gleam slowly quickly, means modem is sending information Others functions : Software control restoration Voltage control automatic restoration function