This GPS module with patch antenna gives the best possible position information, allowing for better performance with your simultaneous localization and mapping application, track your robot or a vehicle. With small form factor, makes it perfect for mass-market end products with strict size and cost requirements.
Ublox NEO-6M GPS Features and Specifications:
Standalone GPS receiver
U-blox NEO-6M GPS module
Build in 18X18mm active GPS antenna
UART TTL socket
Rechargeable battery for Backup
Hole diameter: 3mm