Connector: SMA Male; Voltage: 3-5V; Length: 2 Meters / 6.6 Feet; LNA Gain(Without cable): 42dB; Center Frequency: 1575.42 MHz(GPS); 1561 MHz(BD); 1602 MHz(). Faster GPS signals capture, lower power consumption, stronger anti- performance and wider working voltage range. Magnetic base allows you to conveniently attach it to any metal surface. No power adapter needed: powered by the head unit. Recording your driving track, speed and longitude and latitude data. All of these data can be seen in designated player.