Magenta Research › Magenta Research 2211114-02 HD-One DX500 HDMI Over CAT5 Video and Audio Extension Transmitter and Receiver Kit Image 1 of 1 Magenta Research 2211114-02 HD-One DX500 HDMI Over CAT5 Video and Audio Extension Transmitter and Receiver Kit $770.00 Get notified by email when this product is in stock. Quantity: Purchase Added!