The kit includes: high performance with screen ARM processor, SMA antenna connector, including antenna, 2 pins, 4 screws. | Support:D-STAR, P25, DMR and work with UHF.Software:Pi-Star,Suit for Raspberry Pi 3,Raspberry PI-Zero w, Raspberry Pi 3b+.The 40pin raspberry pie needs to insulate the middle 20pin pin headers for normal use. | Power supply: USB cable connected to your computer or laptop. The Hotspot will also work mobile in your vehicle if you Tether it to your mobile phone network. | Basic Setup: 433.550000MHZ DMR (Need the 2.4GHz SSID as the Pi W doesn't support 5.8GHz). | Note: All designs will be contributed on MMDVM open source project.If you encounter a different version of pi zero not work, please see the picture instructions. If you have any difficult， please contact us to help you solve the problem.