GPS receiver module of high Performance, Low Price 1.Chipset ... 3.Size: 20.0*24.3*3.0mm GPS receiver module with Low Price, High Performance, International Approvals, Prompt Delivery, ... :4G, Max 8.Power: 1).Input power input:3.3V DC for main power and RTC power 2).Input current: ... 1).Two full duplex serial communication, TTL interface, with user selectable baud rate (4800,9600,19200,38400,57600 ...