AItech ProA/V Media Extender - Wireless HDMI - Manual (Page 16)

15
(2)
If your connected device will be out of
the direct line of sight of your remote
controls, plug the IR Sensor Extender
cable into the IR IN jack at the rear
panel of the RECEIVER.
Note:
(1) The IR sensor supports 36KHz ~ 56KHz
(NEC, RC5, RC6) remote’s signal protocol.
Therefore, it is possible that some devices
may not be supported.
(2) The IR blaster supports 47KHz remote’
signal protocol.