Monoprice Dual Band IR Repeater (109895) Control up to four audio/video components located behind closed doors or walls in an entertainment cabinet or closet using this Dual Band IR Repeater from Monoprice This IR repeater lets you store your equipment out of sight, yet still operate it with its infrared remote control The repeater supports dual band IR signals with frequencies between 30-60KHz The kit includes an IR receiver with a 3 foot cord, which you need to place so that you can point your remote control at it The receiver then transmits the signal to the repeater, which sends it out to all four transmitter bulbs, which should be placed over the IR &quoteye&quot on each of your components