Wire it up to a cigarette plug and use the power plug on the dash, it's ignition active only. There's also a kit that taps the same cigarette plug on the dash and allows more to be used on that circuit.
Personally, I would just wire it direct and not worry about it. It's pretty hard to forget the CB is on as most use volume for the on/off switch too. Doing it this way also keeps electronic interference at a minimum.
2013 JKU Sport, billet, auto, 3.73, LSD, 315/75/16 Duratracs on MB 72, 10A springs, Bushwacker flatties
Sold - 2005 TJ, red, auto, 3.73, 33" Duratracs, 4" lift
Ice storm casualty in 2007 - 2003 TJ, green, auto, 3.73, 33" Duratracs, 4" lift