Inteset 38 kHz Infrared Receiver Extender Cable for HD DVR's & STB's- Check Compatibility Please check your device to be sure you have a 3.5 mini input jack labeled "IR IN". 30 ft range from remote control to IR receiver. High Immunity to ambient light and noise Highly Reliable with high sensitivity for wide range. Works great with our INT-422 Remote 6 ft shielded cable, 3.5 mini plated stereo plug. Tip-VCC 5V, Center-Data, Lower-Ground. Works with all Universal Remotes and many cable boxes with an IR IN jack. See the exceptions listed below.