GPS receiver module of high Performance, Low Price 1.Chipset:SiRF star III ... . 3.Size: 20.0*24.3*3.0mm GPS receiver module with Low Price, High Performance, International Approvals, Prompt Delivery, Small ... chip rate. 3).Channels:204. Accuracy (Open Sky): 1).Position:10 meters, 2D RMS. 2).7 meters 2D RMS, WAAS corrected ...