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Frequency：WM6681(800MHz), WM6690/1/6(1900MHz), WM6615(450MHz-

A,B,C,F,H,I Block)

Connector：Direct Solder Connection, 63 Solder Pad (4 GND Pad)

Antenna connector : Solder Connection with Main PCB Board，module also provide

RF Cable Connector （Murata MM8430-2610RB3）

32+8Mbit is default, 64+16Mbit is optional

Communicates with external MCU via AT command through Uart2 Port

Software update and debug via Uart1 or USB Port

Real-time Clock Get from CDMA network

Data service is optional（Need Change BB chip to CBP5.1）

Two Audio Channel to Driver Outer Differential Receiver and Speaker audio amplify

Two Audio Microphone Channel input to receive Outer MIC signal

Support 5*6 Matrix Key pad Connection

Support SPI mode LCD Connection (Default is 128*64dots FSTN LCD)

High performance, more stable, low power

Support both R-UIM card and non R-UIM

FM Radio: Provide FM control signal

2.2 Other Specifications

Operating Temperature： -20°C ～ 55°C

Storage Temperature： -40°C ～ 85°C

Humidity： 0 ～95%
For CDMA 800Mhz, 1900Mhz, 2100Mhz modules, for 450Mhz CDMA FWT/FWP, for EVDO contact us for details, please.