Using GNU Radio and a SDR device as a digital voice hotspot with MMDVM supported modes like DMR
HamGeek Q900 V4.0 100KHz-2GHz SDR Transceiver with Compass GPS DMR new arrival | eBay
QRZ Now - New RFinder P10 Tablet with Dual Band DMR and RTL-SDR Receiver - Huntsville Hamfest https://qrznow.com/new-rfinder-p10-tablet-with-dual-band- dmr-and-rtl-sdr-receiver-huntsville-hamfest/ #hamradio | Facebook
RTL-SDR USB Dongle DECODE -DMR - LINKS and INFO 2022 - YouTube
Simple DMR dla SDR Sharp – SQ1KW
Talinfone PMR-119 Backpack GPS DMR Tactical Mobile Radio SSB CW SDR Transceiver - Walkie Talkie Two Way Radio