Function: 1. The vehicle-mounted digital radio antenna DABGPSFM is suitable for most models on the market and has a beautiful shape. It can be used well for use in the vehicle and can also be used well in RV. 2. A parallel power carrier is used to power the output power indicator 30 CM. This kind of parallel input power carrier scheme can greatly improve signal reception and transmission. 3. The power indicator adopts light transmission technology, and the signal light automatically detects the fault function inside, which can detect the fault in time. 4. A signal light has been added to power processing to make it easier to assess whether the antenna is functioning normally or not. The red light indicates that the antenna is working normally. 5. Installation is very simple, the nut is fixed, it is not easy to fall off, high-quality material is processed, it is not easy to fade, and it is also waterproof, dustproof and corrosion resistant. Specification: Item Type: Car Antenna Material: ABS pvc Radio frequency range: FM (87,5-108 MHZ) AM (530 K-1710 KHZ) Digital reception frequency range DAB: DAB (170-230 MHZ) (1452-1492 MHZ) GPS Beidou frequency range: 1561-1575.42 MHz Bandwidth: 10 (0,5) Standing Wave Ratio: 1,5 ( 0,5) Gain: 15dB (3) Amplifier gain: 15dB (2) Operating Voltage: 12 V Characteristic Impedance: 75 Ω Current: 25mA (2) Assembly: universal How to use: 1. Install a roof antenna on the back of the car. 2. Hold the antenna za the mounting nut on the inside of the vehicle. 3. Pull the antenna output cable to the dashboard along the roof of the car. 4. Connect the FM radio connector to the appropriate position of the car radio function. 5. Connect the 12V power cord to the car power adapter. List of packages: 1 x Active DAB Antenna1 x Antenna Rod