https://hamradioamplifier.com/3_5_inch_mmdvm_hotspot_board_amplifier_dual_sided_cooling_fan_with_electronic.html
3.5 Inch Mmdvm Hotspot Board Amplifier Dual-sided Cooling Fan With Electronic
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https://www.dstar.su/forum/viewtopic.php?p=17521&sid=8da64857e52f32e64e18ab365dc7f03e
Icom ID-50 + MMDVM - Digital Radio Amateur Technologies
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https://www.ardc.net/apply/grants/2023-grants/grant-multimode-digital-voice-modem-mmdvm-project/
Grant: Multimode Digital Voice Modem (MMDVM) Project | ARDC
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