Description: Suit for Raspberry Pi 3,Raspberry Pi Zero W Support:D-STAR, P25, DMR and work with UHF Basic Setup: 433.550000MHZ DMR (Need the 2.4GHz SSID as the Pi Zero W doesn't support 5.8GHz) Software:Pi-Star Power 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. Specification: Material: FR-4 glass fiber clad laminate Product detailed size: 7x3x2.6cm/2.76x1.18x1.02inch Package Includes: 1 Piece OLED display(installed on board) 1 Piece MMDVM hotspot board 1 Piece SMA 1 Piece 433Mhz antenna