Huawei GTM900-C GSM/GPRS module,in stock wholesale
GTM900-C
Working frequency bands:Dual band EGSM900/GSM1800
Maximum transmit power:EGSM900/GT800 Class4(2W)
GSM1800 Class1(1W
GTM900-C
Feaure | Description |
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 value3.8V) |
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 | 50 EGSC antenna connector |
Voice service | FR,EFR,HR 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 |
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