中兴MG2639无线模块是一款GSM/GPRS无线模块，双频四频可选。具有丰富的语音、短信、数据业务等功能。采用邮票孔连接器，体积小，连接可靠，适用于对体积有要求的手持终端等行业，在数据监控，直放站等行业应用广泛。
- 支持语音/数据/短信
- 双频四频可选
- GPRS class 10
- 丰富的AT接口
- 内置TCP/IP协议栈
- 高稳定性能
- 支持多路复用功能/CSD/USSD功能
- 支持数据透传功能
| MG2639 |
| General Features |
| Frequency Bands | Dual Band: 900/1800MHz
Quad Band: 850/900/1800/1900MHz |
| Dimensions | 30×25×2.68mm |
| Weight | 6.5g |
| Operating Temperature Range | -30℃~+80℃ |
| Storage Temperature Range | -40℃~+85℃ |
| Performance |
| Operating Voltage Range | 3.3V~4.2V/Typical: 3.8V |
| Current Consumption Typically | Idle Current: 2.5mA@DRX9 |
| GPRS Current: 300mA@MAX |
| Max Current: 1800mA@-106dBm |
| TX Power | GSM850/EGSM900: Class 4 (2W) |
| DCS1800/PCS1900: Class 1 (1W) |
| RX Sensitivity | -106dBm |
| Interfaces |
| Connector | 50Pin Board-to-board Connector |
| Antenna | U.FL-R-SMT 50Ω Antenna Connector
Antenna Solder Pad |
| Integrated Full Duplex UART | AT/Data |
| Accessorial Full Duplex UART | Debug |
| SIM Card Interface | 1.8V/3.0V |
| Data Features |
| GPRS | Class 10 |
| Mobile Station | Class B |
| Max Downlink | 85.6Kbps |
| Max Uplink | 42.8Kbps |
| Coding Schemes | CS1-CS4 |
| Internal TCP/IP & UDP/IP Protocol Stack |
| TCP Server/Client |
| Embedded FTP |
| Cell Indication |
| SMS Features |
| Support TEXT/PDU Mode |
| Point-to-point MO/MT |
| SMS Cell Broadcast |
| Voice Features |
| Double Channels & High-quality Voice |
| 2SPK/2MIC Analog Audio |
| Vocoders HR/FR/EFR |
| Echo Cancellation |
| Volume Control |
| Support DTMF |
| DAI Interface (PCM) |
| AT Command Set |
| GSM 07.05 |
| GSM 07.07 |
| Extended AT Commands |
