SainSmart NEO-6M GPS Module Aircraft Flight Controller for Arduino UNO MEGA R3 Mega2560 Duemilanove Nano Robot NEO-6M-0001 antenna integrated GPS module built-in ceramic antenna The serial port baud rate default 9600,4800 and 38400 optional, the NMEA communication protocol. Compatible with a variety of flight control GPS. The module integrates a 3V button battery. USART serial TTL or IIC communication.