I have a PR1500 that is set to receive on 154.4300. Currently the transmit is 158.8500 but will be changing to narrowband in the near future (I do not know the exact frequency yet but it will be something like 151.1375 to follow the county's plan.) The receive will remain the same as this our ...

I see, makes sense.

If you are not using any of those systems, why would you want a sidetone and to answer your question I don't believe so in the CPS, but I am a novice. Maybe someone can confirm or denying my answer.

What is the major difference between a low band P200 and MT1000?

Thanks for your input.