1.+ Digital Audio Broadcasting Receiver Box, if you have for Android 5.1 or above Car Stereo/ Autoradio, normally this + box can work with it,then you can enjoy the superior audio quality of + in your car! 2.The included antenna itself is advanced with amplified function, high sensitivity, use the MCX port to connect; 3.Plug and play, USB Port supply power for + Box and the connecting Antenna; 4.Stable receiving and high signal noise ratio, stereo output, class quality. 5.Only applicable to European countries Compatible with all Android car radios Easy installation Signal stability This digital audio broadcasting device is fully compatible with ETSI 300 401 standard.SupportETSI TS102 563 + standard Frequency range 170-240MHz Receiver sensitivity -99dBm Antenna interface SMA ( 5v output). Temperature: 0 ℃-45℃ Storage temperature: -20℃-70℃ Operation relative humidity should be less than 80%(40 ℃) as storage RH less than 95%(40 ℃) Colour: Black Material:ABS Package Contents: 1pcs x + Android system receiver box 1pcs x Wiring Harness 1pcs 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.