Basics: Project 053b NEO-6M GY-GPS6MV2 GPS module at Lex C. / ACOPTEX.COM
Neu Ublox NEO-6M GPS Modul Aircraft Flight Controller for Arduino MWC IMU APM2 – SainSmart.com
Addicore u-blox NEO-6M GY-GPS6MV2 GPS module with on board EEPROM
Amazon.com: GPS Module GPS NEO-6M(Ar duino GPS, Drone Microcontroller GPS Receiver) IIC Serial LCD LED Module SSD1306 128 64 for Ar duino with 40pcs Du pont Wire 20CM 40-Pin Female to Female :
NEO-6M-compatible GPS Module with SMA Connection — PMD Way