Sorry if this is a little off topic. I have located what appears to be a Motorola R2001 service monitor, although there is no model number sticker on it.
I identified it by the pics on the net. Does anyone know what the difference between the A-B-C and D versions is. and can you tell by looking at it. Also everything I see on the net says this has a sweep generator, some say this is used for tuning duplexors. I have heard of both a sweep generator and a tracking generator. I know you use a tracking generator but is a sweep generator the same thing just a different name? Thanks in advance - Rob
