uniden cb

So before posting I've done my prerequisite and courteous 4 or 5 hours research before coming before the well versed and knowledgeable forum that is Rad-Ref. Sadly I couldn't find any information on the dilemma that I came across earlier today. So while running the streets of northeast Los...

Does anyone know what the difference is between similarly-numbered models BMKG0645001 and the BC645? Looking on Uniden's site, they look the same, but the BMKG0645001 ($19.99) is listed for use with PRO505Xl & PRO538W radios, while the BC645 ($24.99) is "Compatible with PRO500 Series CB Radios"...