Multi-Switch (Or Multi-Satellite Switch Or Matrix-Switch): If you want to hook up more receivers than your dish can accommodate, you can use a multiswitch to split up the satellite feed without compromising signal quality. Some multiswitches allow you to add over-the-air broadcasts or cable feeds, to send both signals to each viewing area via a single coax cable. You will need a diplexer for each viewing area to split up the signals again. Control of the multiswitch is achieved through the use of 13 and 18 volts signals to select between left or right polarization, while the use of 22khz tone and diseqc (digital satellite equipment control) commands are used to switch between different LNB's on the multi-switch.

 

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