I am replacing a H25 receiver that I have with a HR21-PRO that I have ordered. Right now, I have the following in the setup, HR34-700, HR24-100, HR24-200, and the H25-500 that will be replaced. They are fed by a SL3 with a SWiM 16 multiswitch. I know that the HR24, H25 and HR34 series have built in DECA. So, I guess I will need the white DECA adapter for the HR21-PRO? What about a B-Band converter, will I need one of those as well? i thought that I remember reading that with a SWiM setup, you didn't have to use B-Band converters. Your help will be appreciated. Thanks