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.
- 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
|32-bit ARM7EJ-STM RISC processor
|3.3 ~ 4.2V(no SIM)/3.5 ~ 4.2V(with SIM)
|20mW/30mW/52mW @ standby(no radio)/standby(GSM)/standby(BT)
|Class 12 modem
|35 PIN Connector & 11 PIN Connector for Xadow Modules; JST 1.0 Connector for the battery
|LCD, Audio, I2C, SPI, UART, and GPIOs etc
|25.37mm × 20.30mm / 1” × 0.8”
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.
Power up the RePhone/Xadow GSM+BLE with a battery of 3,5V ~ 4,2V and JST 1.0 male connector, or power it up through the breakout PIN 3(VCC) and breakout PIN 6(GND) as illustrated in the Hardwareview above.
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.
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.
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:
For more info you can refer to the RePhone Development Environment at RePhone Main Page:
RePhone Development Environment
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We’ve been looking for a better place where our backers (RePhone Users) can sit together, warmly and comfortably, have conversations about RePhone, discuss technical problems, share ideas/projects, and give feedback on the modules’ development in the future. And then here we go, the RePhone Community.
Now join us in the RePhone Community! Together we seek answers, make interesting stuff, care about each other, and share our experiences.
###Frequently Asked Questions
Some frequently asked questions in RePhone Community are collected and answered to the topic "Frequently Asked Questions of RePhone (FAQ)" , the topic will be kept updating whenever a new FAQ comes out.
The schematic diagram of Xadow GSM+BLE is provided in the following link:
- Xadow_GSM+BLE eagle files
Check more info about the chipset MT2502:
- Datasheet for eagle files
Check out this excel for the compatibility with Xadow 1.0 modules:
- Compatibility between GSM+BLE and Xadow 1.0 modules
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