Suitable for Raspberry Pi 3, for Raspberry Pi Zero WSupport: D-STAR, P25, DMR and work with UHF or VHFBasic Setup: 433.550000MHZ DMRNeed the 2.4GHz SSID as the Pi Zero W doesn't support 5.8GHzSoftware: Pi-StarPower supply: Mobile charger or a 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.Note: All designs will be contributed on MMDVM open source project.Colour: as shownMaterial: pcbPackage Contents:1 * Mmdvm RelayOnly 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.