GPS Receiver SGM-209: 1,SiRF Star III chipset 2,RS-232 3,Waterproof ... antenna 1.1 OverviewThe ProGin SGM-209 series GPS receiver incorporates low noise, high sensitivity, low powerconsumption ... solution in a compact, waterproof enclosure. The receiver is very suitable for broad applications such as ... and SiRF Binary protocol (manufacturer) Waterproof gps receiver with USB port / serial port SGM-209