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Feaure
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Description
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Working frequency bands
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Dual band EGSM900/GSM1800
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Maximum transmit power
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EGSM900/GT800 Class4(2W)
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GSM1800 Class1(1W)
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Receive sensitivity
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<-106dBm
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Working temperature
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-30°C～+75°C
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Powere voltage
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3.3V～4.8V（recommended value 3.8V ）
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Average standby current
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TBD
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Power-off leakage current
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TBD
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Protocols
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GSM/GPRS Phase2/2+
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Huawei GT800
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AT commands
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GSM AT commands
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V.25 AT commands
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Huawei extended AT commands
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40PIN FPC connectors
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UART interface（maximum baud rate of the serial port:115200bit/s）
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Standard SIM card interface（1.8V or 3V）
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Two analog audio interfaces
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Power supply interfaces
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GSC RF antenna connector
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50¦Έ GSC antenna connector
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Voice service
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FR、EFR、HR and AMR Voice encoding
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Calls in hands-free mode
Echo cancellation function
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SMS
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MO and MT
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Point-to-point and cell broadcast
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Text messages in TEXT and PDU modes
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GPRS data service
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GPRS CLASS 10
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Encoding schemes:CS 1，CS 2，CS 3 and CS 4
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Maximum rate:85.6Kbit/s
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PBCCH
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Embedded TCP/IP protocol suite：supports multiple links，and provides ACK answer and large-capacity cache.
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Circuit data service
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CSD service(maximum rate: 14.4Kbit/s)
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Fax service：Group3 ，Class2.0
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USSD service
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Supplementary
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Caller ID display
Call forwarding
Call holding
Call waiting
Tree-party calls
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Trumking
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Group calls
Broadcasts
Private calls
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STK
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STK function supported bu using enhanced AT commands
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RoHS
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Compliance with the RoHS Directive
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