Antenna Case LEd MMDVM Hotspot Support DMR YSF P25 DIY Kit for Raspberry Pi Note: 1. This is a DIY assembling kit of MMDVM Hotspot kit, NOT a finished one, you need to install it by yourself. 2. The firmware is pre-loaded and can be easily upgraded through software. Please DO NOT update the firmware by yourself.   Features: High Performance: 32bit ARM processor allows stable and powerful performance. SMA Detachable Antenna: Helps to receive strong and clear signal, support 430-450MHz, 433MHz, 900MHz UHF and 144 220 Opera FREQ VHF. LED Display Screen: Always show you the system status, such as transmitting status, receiving status, PTT, Mode, etc. Supports PI-STAR's web based digital voice dashboard and configuration tool. System Fusion: Supports digital amateur modes DMR, P25, D-STAR and YSF. Easy e: Can be easily installed on all the current for Raspberry Pi, including for Pi Zero. Specifications: Processor: 32bit ARM Frequency:   430-450MHz, 433MHz, 900MHz UHF   144 220 Opera FREQ VHF Display Screen: OLED RF Power: 10mW Package Size: Approx. 280 x 190 x 40mm/11 x 7.5 x 1.6in Package Weight: 54g   Package List: 1 x MMDVM Hotspot Module 1 x Antenna 1 x LED Screen 1 x Case 2 x Plastic Tube 2 x PINS 4 x Screws