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