Made of plastic, it is hard, and reliable. The antenna has super powerful reception capacity, connects via MCX port. Plug and play, power supply via USB port, no additional power cable required.Exquisite and small, easy to install. Receives and + signal, stable reception and high signal noise ratio.It offers stereo and high quality sound. Compatible with for Android 10.2 and below, not compatible with WinCE system. Specifications: Working temperature: -20℃ ~ + 70℃ Power supply: 5V, USB port Frequency range: 174-240MHz Channel separation: 55dB Channel difference: +/-3dB Input impedance: 50Ω Antenna input type: SMA Antenna cable length: 3 meters Can be used in these countries: Australia, Belgium, Republic, Denmark, France, Germany, , , Ireland, Italy, , Malta, Morocco, , , , Slovenia, Korea, Spain, Sweden, Switzerland , United Kingdom Material: plastic colour: Black Package Contents: 1 x + Box 1 x USB 1 x Antenna Only the above package content, other products are not included. Note: Light reflection 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.