You should double-check, but I'm pretty sure the ADC20 uses the same power connector as the V3. In which case, Ed at kindkables.com can hook you up with a power cable. As to the coax cable, I'd just get a BNC>RCA adapter and use your favorite RCA>RCA coax cable. The Radioshack adapter is a nice gold-plated, locking BNC adapter and is readily available (Catalog #: 278-303).