Infrared Resources -4- device 30~60kHz IR Remote Extender Repeater for the majority of A/V (IR) devices including U-Verse,SA/Cisco Explorer,DTV,Bell,Foxtel and other Set Top Boxes,A/V Receivers etc. Visible Blue LED confirmation when IR signal is received. Made in S Korea 9ft receiver lead from the hub with excellent IR receiving range. Operate -4- devices IR Filtering Technology effectively blocks out external noise. IRI,CFL,ESI,EMI,Plasma, Sun Includes optional USB power adapter cable 23 Years Experience Manufacturing And Supplying The Cable And Hotel Industry