Xadow GSM + Blueseeed(MT2502)

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 + Blueseeed LE (MT2502) 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. 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