Tracking things down with the RePhone Geo Kit!The combination of Xadow GSM+BLE and Xadow GPS v2 is what makes RePhone Geo Kit brilliant. The kit can fulfill your GPS based project easily and excellently. It allows you to obtain the real-time geographic position, altitude, travelling speed and time information at any time, and all-weather conditions, through GSM network (SMS). Also as a bonus, the Xadow GSM Breakout can provides you more possibilities hacking electronics.FeaturesSlim and small modulesPowered by Xadow GSM+BLEHigh sensitivityLow power consumptionVarious rich-featured add-on modules for function extensionStackable, chainable and sewable with other Xadow Modules