CM-6620M2 is a 3-in-1 M.2 Card which includes WLAN, Bluetooth, and GPS .With three advanced radio technologies integrated into a M.2 Card, it provides the best and most convenient connectivity functions, also support on-board WiFi/BT antenna and support passive/active GPS antenna. 

CM-6620M2 implements advanced and sophisticated radio coexistence algorithms and hardware mechanisms. It supports dual antennas that 2.4GHz antenna is for Wi-Fi & Bluetooth and 1.575GHz antenna is for GPS. Enhanced overall quality for simultaneous voice, data and audio/video transmission on mobile devices can be achieved.