Features: - Use an existing IR remote control to operate hidden AV components - Dual Band IR Frequency - supports devices that use a single band or dual band IR frequencies. Many new cable boxes, DVRs, and other electronic devices require dual-band frequencies. Some examples are AT&T U-verse DVRs, Dish Network DVRs, and Denon Receivers. A single-band IR repeater will not work with dual-band devices, but dual-band IR repeaters like this one will work with all compatible devices - Frequency range: 25-60 KHz - Compact IR receiver for discreet placement near your TV - IR repeater block distributes the IR signal from the receiver to connected IR emitters - Includes two dual-output emitters to control up to four devices - Expandable to control up to 10 devices (additional emitters sold separately) - Three IR receiver input ports for expanded control options (one IR receiver included) - Easy installation - RoHS compliant - CE and FCC approved Package included: - One IR receiver with 5 ft cord - One IR connecting block repeater - Two dual-output IR emitters (each with 6 ft cord) - One power supply - Installation instruction sheet