GT-U7 main module GPS module using the original 7th generation chip, Software is compatible with NEO -6M. With a USB interface, you can directly connect it with computer. That is, with the host computer-owned serial port function, no need for external serial module. USB directly connected to the computer, That is, with the host computer-owned serial port function, no need for external serial module, send IPX interface active antenna. GT-U7 module, with high sensitivity, low power consumption, miniaturization, its extremely high tracking sensitivity greatly expanded its positioning of the coverage. Operating voltage: 3.6V-5V (or direct usb power supply);Operating baud rate: 9600 (can be modified) Application : Vehicle-mounted ; Sharing mobile power; Handheld devices such as PDAs; Vehicle monitoring; Mobile phones, camcorders and other mobile positioning systems; Sharing bike;