GPS, 4G and Wifi 3in-1 antenna. With ceramic antenna and wide body circuit board design, the GPS signal gain can reach more than 29dB. The 4g and wifi signal gain up to 3dB,Allows you to quickly locate anywhere. The whole wire harness is wrapped with PET fireproof and flame retardant material, which effectively prevents short-circuiting by metal compression in the car. The GPS, 4G and wifi use the SMA elbow design interface, 360-degree angle adjustment, length 3 meters, adhesive installation;The Blue one for GPS, the Purple one is 4G and the White for Wifi. SMA interface GPS antenna, support GPS, BDS, GLONASS, GALILEO positioning system.4G antennas are suitable for North American and European 4G standards.the wifi support the 2.4G band. Suitable for all SMA GPS Wifi interface and SMA socket car android navigation and positioning products.