This IR Receiver is made and sold Exclusively by Infrared Resources.Designed in the USA. There is a difference for only a few $ more. 9 feet long with 3.5mm end plug. IR receiver is 38~56kHz Allows you to hide your equipment and operate the equipment remotely NOTE: Not for use in TV (Smart) IR port. The IR port on TV monitors are IR OUT not IR IN Front IR sensor on the Cable box will disable once the IR receiver is plugged in. RNG models front IR sensor does not disable. Works With: Scientific Atlanta Explorer 46xxHDC Series, 9865HDC,8742HDC Explorer (with IR IN port on the back panel) Comcast X1 (not the main box XG1-P) RNG Set Top Boxes VERIZION HD DVR QIP 7xxx series and VM1101 model Cisco CHS435HDC,CH335HDC HD DVR, LG LST-4600A HD PACE DC551P,DC55 PACE/ DC700X Apache. Comcast X1, RNG110, PACE/CiscoRNG150, RNG100, PACE TDC787X HD, PACE TDC 575D DVR, DC50X, DCH100, DCX3300, DCX3220e, DCX3400M, DCX700, DCX3416, DCX3425, DCX3432, DCX3501, DCX3600, MVIX 760 HD Media Player. DTA50Will Not Work With: Any Samsung without IR IN port located on the back panel, Comcast XG1-P, Motorola DCT or DCH Series, QIP2500, SA Explorer 4200, 4200HDC,4250,4250HD,8300, 8300HD Series,DC60xu. 2100DHCT, 3100DHCT,3250HD, Verizon QIP 6416-2 , 6000 series Motorola DCX3200-M, DCX3400 DISH, Direct TV, AV STEREO RECEIVERS(Harmon Kardon etc) OR IR REPEATER SYSTEMS,or directly plugged into TV’s.