They have never been used for just one month before we transitioned to a new system
1x4 hdmi splitter extender kit – includes 1 transmitter and 4 receivers. extend and distribute 1 hdmi source to 4 hdmi displays over cat5e/6/7 simultaneously.
hdmi lossless/uncompressed transmission – it extends hdmi audio/video signals to synchronous output video display(s) is as fluent as direct connection; supports 480i/480p/720p/1080i/1080p at 60hz video resolutions and surround sound up to 7.1-channel or stereo digital audio; compatible with hdcp compliant devices & content
video transmission – up to 40m (130ft) at 1080p with cat5e/6/7. good quality catx cables are essential in