Product Name: Radio Amplifier CableFrequency Range:88-108MHZ,170-240MhzAmplified Gain:22+/-3dBNoise Figure:6dBImpendance: 75 ohmMaximum output level: 108dbVoltage: DC+12~24VCurrent: 70mASignal output interface:FM male connector (Support for custom)Installation:1.Simply plug inline with your head unit aerial connection and then plug the DAB plug into the DAB socket on the back of the headunit.2.Connect the Red wire to the aerial power lead that is 12 volts with the radio switched on.Colour:blackMaterial:plasticPackage Contents:1 * Car AntennaOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.