GPS receiver module of high Performance, Low Price 1.Chipset:SiRF star ... sec. 3.Size: 20.0*24.3*3.0mm GPS receiver module with Low Price, High Performance, International Approvals, Prompt Delivery ... III3.General: 1).Frequency:L1, 1575.42 MHz. 2).C/A code:1.023 MHz chip rate. 3).Channels:204. Accuracy (Open ...