| Quantity | 3+ units | 10+ units | 30+ units | 50+ units | More |
|---|---|---|---|---|---|
| Price /Unit | $26.51 | $25.97 | $25.16 | $24.07 | Contact US |
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Huawei GSM GPRS Module GTM900C Compare TC35i MC39i
Specfications:
| 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 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 | 50¦Έ GSC 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 |
