Fully Assembled UHF VHF UV Hotspot Module For Raspberry Pi 3B 3B With OL

Config.h // Host communication selection: //#define STM32_USART1_HOST //#define STM32_USB_HOST #define STM32_I2C_HOST to disable i2c 2 to raspi and for OLED just remove R20,R21 update new FW: (pi-star / ssh access / user :pi-star pass: for Raspberry) sudo pistar-for mmdvmhshatflash hs_hat ps:update new FW no for OLED pwr on message. mode info pls visit The for MMDVM hotspot support module can work with UHF or VHF(VHF is not the main band) Specification: · High performance 32-bit processor · Supports DMR, P-25, D-Star and Fusion · Onboard LEDs to show status (Tx, PTT, Mode) · Up to 10mW RF power · for SMA antenna connector, UHF&VHF antenna included · Mounts cleanly on all current for Raspberry Pi's including the Pi · The firmware is pre-loaded and is easily upgraded via software. ·UHF 433 900 MHZ, VHF 144 220 MHZ Opera FREQ · Supported and tested with PI-STAR Please note: The product does not come with a memory card or motherboard. You need to start it to connect to the hotspot, insert the memory card, and then connect to the hotspot to light up the screen. Packing list: 1*Single hotspot expansion board 1* for OLED screen 1*shell 1*Antenna Please do not upgrade the firmware by yourself, if you have not the knowledge for it. The product needs to be soldered with the pi motherboard (not included), please make sure you know it before buying. Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.