Eztronics Corp Ublox NEO-6M GPS Bee Module Shield Board with Mini Embedded Antenna For arduino 50-channel u-blox 5 engine with over 1 million effective correlators 1 second Time To First Fix for Hot and Aided Starts 160dBm SuperSense acquisition and tracking sensitivity Accelerated startup at weak signals for modules with KickStart feature Supports AssistNow Online and AssistNow Offline A-GPS services; OMA SUPL compliant