1. Version Of Mmdvm Hotspot Raspberry Pi; Version Of Mmdvm Hotspot Module Can Use Uhf Or Vhf (Vhf Is Not The Main Frequency Band). 2. High-Performance 32-Bit Arm Processor 3. Fully Assembled And Tested; Supports Dmr, P-25, D-Star And System Integration; Onboard Led Displays Status (TX, RX, PTT, Mode) 4. Up To 10mw Rf Power; Sma Antenna Connector, Including Uhf And Vhf Antennas; Installs Cleanly On All Current Raspberry Pis, Including The Pi Zero 5. The Firmware Is Preloaded And Can Be Easily Upgraded Through Software. Uhf 433 900 Mhz, Vhf 144 220 Opera Frequency; Pi-Star Supported And Tested; 2020: Hw Rev V1.7 Adds I2c Communication To Raspberry Type: Extended Mmdvm Hotspot Module Note: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use Colour:As Shown Material:PCB Package Contents: 1 x Expansion Hotspot Module 1 x Antenna 2 x Pin Header 1 x Connector Screw Hole 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.