High performance 32-bit ARM processor Fully assembled and tested Supports , P-25, D-Star and System Onboard to show status (Tx, Rx, PTT, Mode) Up to 10mW RF power SMA antenna connector, UHF&VHF antenna included Mounts cleanly on all current 's including the Pi Zero The firmware is pre-loaded and is easily upgraded via software. UHF 433 900 MHZ ,VHF 144 220 Opera FREQ Support and tested with PI-STARe. Colour:As Shown Material:PC+metal Package Contents: 1 x MMDVM Hotspot RF Board 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.