ES4RM 🇪🇪🇺🇦🇵🇱 on Twitter: "Added another digital mode to my shack for experiments #c4fm. New toy to play #Yaesu #FT70D. Now I have active DMR, D-Star and C4FM. #hamradio https://t.co/55Ov5CvoHt" / Twitter
DV4mini ham radio digital hotspot C4FM, DMR and D-Star - VA2PV / Laboenligne.ca