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 Orders ... .Serial Port: 1).Two full duplex serial communication, TTL interface, with user selectable baud rate (4800,9600,19200,38400,57600)-User ...