The Channel Master CM4002IFD is a very high performance diplexer perfect used for combining the signals from your satellite dish cable and your TV antenna cable into a single cable.
The 4002 IFD should ONLY be used to combine the satellite and TV antenna signals, the CM4001IFD is what you to need ot use to separate them
Special circuitry that greatly reduces LNB noise
Very low signal loss
The 4001 IFD is Channel Masters standard performance diplexer. This unit is ideal for separating satellite signals from VHF/UHF off-air signals when they are received in the customers living room on one cable. The satellite signals are then connected to the satellite receivers 950-2150 MHz input and the VHF/UHF signals are normally connected to the satellite receivers VHF/UHF input. The satellite receiver then provides A/B switching as appropriate. Use the CM4001IFD diplexer for splitting the signal back into a separate satellite dish cable and a TV antenna cable.
The 4002IFD offers high performance (sharper cutoff at corner frequencies) than the 4001IFD. This unit is ideal for combining satellite and VHF/UHF signals onto one cable because LNB noise can extend down into the UHF spectrum and degrade picture quality.
What are Diplexers? How do they work?
Diplexers allow you to use a single cable to carry both satellite and TV signals.
Diplexers separate or combine the higher frequency satellite signals from the lower frequency TV signals.
One diplexer combines the satellite dish signal and your TV antenna cable into a single cable.
A second diplexer splits the signal back into a satellite cable and a TV cable.
A diplexer must have a minimum bandwidth of 40 MHz to 2150 MHz.
In most applications a diplexer must also be able to pass DC voltage.
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