Whether making and receiving telephone calls over a radio link using external speakers and microphone, or exchanging data in short distances with Bluetooth, you can do it with Xadow GSM+BLE.

As the heart of RePhone kit Create, the Xadow GSM+BLE is built around the powerful System-On-Chip (SOC) MT2502, offering a rich range of communication protocols - GSM, GPRS and Bluetooth (v4.0 and 2.1 dual mode). It supports quad-band 850/900/1800/1900MHz that covers any GSM network in the world. Simply insert a 2G Nano SIM card, then you are able to enchant things with cellular connectivity.

Include Xadow GSM+BLE 1 User Guide 1

Features: Based on the smallest commercial System-on-Chip (5.4mm x 6.2mm) currently on the market Open source and modular design Slim and small Built-in Xadow Connectors for easy pluggable FPC cables Stackable, chainable and sewable with other Xadow Modules Core module for most of RePhone Kits Perfect choice for long-distances and short-range communication

Specification: Microcontroller:MT2502 MCU Core:32-bit ARM7EJ-STM RISC processor RAM:4MB Flash Memory:16MB Power Supply:3.3 – 4.2V Quad-band:850/900/1800/1900 MHz GPRS:Class 12 modem Clock Speed:260 MHz Connector:35 PIN Connector & 11 PIN Connector for Xadow Interfaces:LCD, Audio, I2C, SPI, UART, and GPIOs etc. Dimensions:25.37mm X 20.30mm / 1’’ X 0.8’’

From：For more detail, please visit: http://www.seeedstudio.com/item_detail.html?p_id=2560?cPath=84_120 Whether making and receiving telephone calls over a radio link using external speakers and microphone or exchanging data in short distances with Bluetooth, you can do it with Xadow GSM+BLE. As the heart of RePhone kit Create, the Xadow GSM+BLE is built around the powerful System-On-Chip (SOC) MT2502, offering a rich range of communication protocols - GSM, GPRS and Bluetooth (v4.0 and 2.1 dual mode). It supports quad-band 850/900/1800/1900MHz that covers any GSM network in the world. Just insert a 2G Nano SIM card, and then you can enchant things with cellular connectivity.

Features

Based on the smallest commercial System-on-Chip (5.4mm x 6.2mm) currently on the market Open source and modular design Slim and small Built-in Xadow Connectors for easy pluggable FPC cables Stackable, chain-able and sew-able with other Xadow Modules Core module for most of RePhone Kits Perfect choice for long distance and short-range communication

Specification

Microcontroller MT2502 MCU Core 32-bit ARM7EJ-STM RISC processor RAM 4 MB Flash Memory 16 MB Power Supply 3.3 ~ 4.2V(no SIM)/3.5 ~ 4.2V(with SIM) Power Consumption 20mW/30mW/52mW @ standby(no radio)/standby(GSM)/standby(BT) Quad-band 850/900/1800/1900 MHz GPRS Class 12 modem Clock Speed 260 MHz Connectors 35 PIN Connector & 11 PIN Connector for Xadow Modules; JST 1.0 Connector for the battery Interfaces LCD, Audio, I2C, SPI, UART, and GPIOs etc Dimensions 25.37mm × 20.30mm / 1” × 0.8”

Hardware Overview

The image below illustrates the Pin Definitions of 11 Pin Xadow Connector, Solder-able Breakout Pins and the 35 Pin Xadow Connector in a sequence from Left to Right.

Battery Charging

Xadow GSM+BLE uses the JST 1.0 female connector for the battery, you can charge the battery by simply connect your board with a USB cable.

Operating Mode

The Xadow GSM+BLE has two operating mode when you power it up and connect it with PC - press and hold to power key for 2 seconds to turn the module ON or OFF to access the Mass Storage Mode or Flash/Debug Mode.

Mass Storage Mode When the Xadow GSM+BLE is OFF, connect the board (with battery connected) to PC via Micro USB cable, you can access the 5MB ‘Mass Storage Mode’ on PC. All the applications (vxp files) and system settings are stored in this 5MB disk.

Mass Storage Mode.png

Flash/Debug Mode When the Xadow GSM+BLE is ON, connect the board (with battery connected) to PC via Micro USB cable, you can find two COM ports on your ‘Device Manager’： MTK USB Debug Port(COM4) MTK USB Modem Port(COM5)

The COM number might be different on your PC. Each COM port has different function according to the development environment you use, please refer to the Getting Started section for more details.

Open Device Manager by clicking the Start button, clicking Control Panel, clicking System and Security, and then, under System, clicking Device Manager. If you're prompted for an administrator password or confirmation, type the password or provide confirmation. See the following image:

From：http://www.seeedstudio.com/wiki/Xadow_GSM%2BBLE#Introduction