GPS module NEO-7M, 3~5V power supply; u-blox NEO-7M-0-000 GPS module; With ceramic active antenna, strong signal; With data back-up battery and LED indicator light; Antenna size: 25 x 25mm; Module size: 25mm x 35mm; Installation holes diameter: 3mm; Power supply: 3~5V; Default baud rate: 9600; Compatible with various flight control modules.