GPS receiver module of high Performance, Low Price 1.Chipset:SiRF star III 2. ... 20.0*24.3*3.0mm GPS receiver module with Low Price, High Performance, International Approvals, Prompt Delivery, Small Orders Accepted ... General: 1).Frequency:L1, 1575.42 MHz. 2).C/A code:1.023 MHz chip rate. 3). ... 1).Two full duplex serial communication, TTL interface, with user selectable baud rate (4800,9600,19200,38400, ...