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

General Features
Frequency Bands GSM850/EGSM900/DCS1800/PCS1900
Dimensions 30.0×25.0x2.68mm
Weight 7g
Operating Temperature Range -30°C~+70°C
Storage Temperature Range -40°C~+85°C
Performance
Operating Voltage Range 3.4V~4.25V/Typical: 3.9V
Idle Current: 2mA
Current Consumption Typically Call Current: 128mA
Max Current: 300mA
GSM850/EGSM900: Class 4 (2W)
TX Power
DCS1800/PCS1900: Class 1 (1W)
RX Sensitivity <-106dBm
Interfaces
Connector 28Pin Stamp Holes
SMT 50Ω Antenna Connector
Antenna
Antenna Solder Pad
Integrated Full Duplex UART AT/Data
SIM Card Interface 1.8V/3.0V
Data Features
GPRS Class 10
Mobile Station Class B
Max Downlink 85.6kbps
Max Uplink 42.8kbps
Internal TCP/IP&UDP
Protocol
Embedded FTP
SMS Features