man I swear I never had hardly any trouble with my old 220 ....now I have a 320 and the t whatever collars and them dam things will cut a collar off without warning if another collar has same id ..... last hunt I lost my young dog my son looked he had same id as me he turned his collar off I had to delete my collar and re add it then it picked up the collar dog was about 400 yards .....luckly he had his collar at the bike .....my old 220 would just say collar inter fearing do you want to change id....this 320 just drops a collar and tracks the closest collar ....is there a place that refurbs the 220's

? I got 3 of em ...