GSM/GPRS Wireless Module

W801G module provides all the necessary features for a wide range of cellular M2M applications. TCP/IP, serial interfaces and GPRS data rates up to 43 kbps together with outstanding BGA technology for easy and reliable automated manufacturing makes the W801G the module of choice for customers in tracking and tracing, Automated Meter Reading, POS terminals, industrial computing and more. Feature Description Working frequency bands Dual band EGSM900/GSM1800 EGSM900 Class4(2W) Maximum transmit power GSM1800 Class1(1W) Receive sensitivity <-106dBm Working temperature -30°C +75°C Power voltage 3.3V 4.2V Average standby current 18mA Power-off leakage current 50μA Physical features Dimensions--37mm x 30mm x 3mm; Weight:7.8g Protocols GSM/GPRS Phase2/2+ GSM AT commands V.25 AT commands AT commands Comway extended AT commands UART interface(maximum baud rate of the serial port:115200bit/s) Standard SIM card interface(1.8V or 3V) Two analog audio interfaces, one PM interface SMT connectors Power supply interfaces RTC SPI GPIO RF antenna connector 50Ω MHF antenna connector Voice Service FR,EFR,HR and AMR Voice encoding Calls in hands-free mode Echo cancellation function MO and MT Point-to-point and cell broadcast SMS Text messages in TEXT and PDU modes GPRS CLASS 10 Encoding schemes -CS 1,CS 2,CS 3 and CS 4 Maximum rate 171Kbps DL PBCCH GPRS data service Embedded TCP/IP protocol suite- supports multiple links,and provides ACK answer and large-capacity cache. CSD service(maximum rate: 14.4Kbit/s) Fax service---Group3 ,Class1.0 Circuit data service USSD service STK using enhanced AT commands