DirecTV SWM-32
A polarity locker (link 4SATPL) is required to power the dish if a SWM-32 multiswitch is used. Directv swm-32 dimensions 12 x 2 x 11. Thirty-two channel Single Wire Multi-switch (SWM). DIRECTV SWM32 Single Wire Multiswitch 32 Channel SWM32R1-09.