Atlona Si AT-HDRS Video Console - 1 x 1 - WUXGA - 60 m. The Atlona AT-HDRS is an HDMI over single Cat5 receiver unit which is designed to work with 1x4 HDMI Splitter (AT-HD14SS), 1x9 HDMI Splitter (Model: AT-HD19SS) or HDMI Transmitter (AT-HD50SS). The AT-HDRS is capable of extending high resolution video and audio from the 1x9 HDMI splitter up to 1080i 200ft and 1080p 110ft over single Cat5 or Cat6 cable.