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DIRECTV SWM16 Single Wire Multi-Switch (16 Channel) (SWM-16)
Supports up to 16 DIRECTV satellite tuners
Compatable with HR24 H24 HR23 H23 HR22 HR1 H21 R16 D12 and H20 w2042 Firmware Update
Die-cast housing is suitable for both indoor and outdoor use
Multi-Room Viewing MRV
Requires 29 Volt Power Supply Sold Separately search for B003C292AC on Amazoncom