A:
You can transfer your old account to the new device. Also all the old components like antenna hookup and power are still the same so you wont have to rerun all that. Additionally there are a few simple mounting options , an AC vent clip and doubleside tape on the mount to stick pretty much anywhere you got available, dash, console, etc. I got the onyx plus receiver just a few weeks ago and I'm very happy with it. Hope this answered what you was asking.
Thanks