Description
Extracts IR control signals “F” coaxial connector jacks for SAT/VCR and remote TV signals T wo 3.5mm emitter mono mini jacks with 470 Ohm series resistors . If you are using coax lines to carry IR and other DC signals, use this DC IR Signal Block on output lines that connect directly. The DC Block will prevent the DC signal from being shorted.
https://www.satellitedish.com/info.pdf