The NEO-6M GPS module is shown in the figure below. It comes with an external antenna, and does’t come with header pins. So, you’ll need to get and solder some.
This module has an external antenna and built-in EEPROM.
Interface: RS232 TTL
Power supply: 3V to 5V
Default baudrate: 9600 bps
Works with standard NMEA sentences
The NEO-6M GPS module is also compatible with other microcontroller boards.