It is a wireless transmission set consisting of transmitter and receiver units, for transferring video, audio and extending remote control commands to 2.4GHz. Each unit has a two-way antenna and has a built-in IR infrared sensor (38K, 56K carrier). It is very easy to install and use, while it has 8 selected channels (5790, 5828, 5847, 5866 MHz) of operation. The kit operates at a frequency of 2.4 GHz. Specifications: • 2.4Ghz Transmitter. AV PLUS II Engel • Transmitter and receiver 2.4GHz wireless with 4 selectable channels • Compact size with the latest wireless transmission technology • Wireless transmission of equipment signal, such as digital receivers, VCR, DVD, Hi-Fi Stereo • Includes IR extender RF (433 MHz), to remotely control the connected equipment (STB / DVD / VCR) • Antenna design (2.4 GHz and 433 MHz)