DMR is one of several digital radio modes used by amateur radio operators.
I received my first DMR radio, a Connect Systems CS700, from QRZ Classifieds on March 26, 2015.
An excellent introduction to DMR presented at the 2013 Dayton Hamfest: PDF
by Mike Swiatkowski, AA9VI
My DMR Radio ID: (DMR-MARC) 3126431 WA8KIM Kim