In-Depth: Interface ublox NEO-6M GPS Module with Arduino
Ublox NEO-6M GPS Module - Wiki
NEO-6M-compatible GPS Module with SMA Connection — PMD Way
U-blox NEO-6M GPS Receiver Module - RobotShop
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 :
GPS модуль NEO-6M (GY-NEO6MU2)
GPS module NEO-6M
NEO-6M GPS Module R2 – ElectroDragon
Interfacing Arduino with NEO-6M GPS module - SIMPLE PROJECTS