Feature:1. 32 Bit ARM Processor: This MMDVM hotspot board module uses a high performance 32 bit ARM processor which has a good performance and fluent operation.2. LED Display: This MMDVM hotspot hat board features a built in LED display which can provide real time status updates and allows for easy monitoring of the hotspot board.3. 10mW RF Power: This MMDVM hotspot board transmit with a maximum power of 10mW, ensuring clear and reliable signal transmission over a wide frequency range.4. Compact And Lightweight: This small and lightweight MMDVM hotspot module is very easy to install and replace and fits cleanly on all current for Pi Zero.5. Multiple Frequency Bands: The hotspot board supports various frequency bands including 144148MHz, 420475MHz, and 842950MHz, providing flexibility for different communication needs.Specification:Item Type: Hotspot BoardMaterial: PCBRF Power: Maximum 10mWFrequency Range: 144MHz-148MHz, 420MHz-475MHz, 842MHz-950MHz.Package List:1 x MMDVM Hotspot Board1 x Accessories2 x Pin Header1 x AntennaNote:VHF is not the main frequency band, the transmit power and receiver sensitivity do not meet the UHF standard.