... GPS receiver module of high Performance, Low Price 1.Chipset:SiRF star III 2.Cold ... 20.0*24.3*3.0mm GPS receiver module with Low Price, High Performance, International Approvals, Prompt Delivery, Small ... 3).Channels:204. Accuracy (Open Sky): 1).Position:10 meters, 2D RMS. 2).7 meters 2D RMS, ... 1).Two full duplex serial communication, TTL interface, with user selectable baud rate (4800,9600,19200,38400, ...