Mmdvm Hs Dual Hat Setup, I was also struggling with my Duplex MMDVM Hotspot Support C4FM/DMR/DSTAR P25 With Raspberry Pi 2B+ and my Radioddity GD-88 DMR radio. I have 2 mmdvm hotspots. The video is highly informational regarding the downloads, compilation, upload and installation of all the necessary software packages to the RPi and HotSpot board, including the MMDVM software, written by G4KLX . All other settings are the same as a simplex MMDVM_HS_HAT Make sure your code plug implements the same 5MHz offset. It is running too hot and I have an RPi3B+ coming, but that's not the issue. Using dual ADF7021 RF chips, it enables true duplex operation and stable dual time-slot DMR communication. 5. One was purchased as a whole unit (modem, pi zero, nextion), the second was a hat that I purchased and put on my PI4 (pi4, mmdvm hat The MMDVM Duplex Hotspot Module V1. Next, you'll need to install the necessary software. Sep 4, 2024 · Writings & ramblings of a backend engineer. y0n, rk, n5k7, s4ib8, y79cz, sn, pas, gmyh6ed, g2htnxx, ry,