DIRECTV SD DVR/Receiver Discussion
SWM LNBs are available in both 3 and 5 LNB versions.
SL3 = 3 LNB, non-SWM.
SL3S = 3 LNB, integrated SWM switch.
SL5 = 5 LNB, non-SWM.
SL5S = 5 LNB, integrated SWM switch.
PI-21s are used for all SWM LNBs.
PI-29s are used for external SWM switches (SWM-5, SWM-8, SWM-16). The SWM-32 requires...