Long Distance TransmissionHDMI Extender uses CAT5e or CAT6 cable instead of HDMI to achieve long-distance transmission via RJ45 CAT5e CAT6 LAN Ethernet Network Balun Adapter Repeater, HDMI Extender is made of PVC plastic, lightning-proof and durable. And small size, easy to carry. No Transmission LossExtend HDMI video and audio signals up to 30m simultaneously via Cat 5e or Cat 6 cable. This HDMI extender extends HDTV displays up to 30m (98ft) 1080p using a single Cat 5e up to 20m (65ft) or Cat 6 cable. It not only breaks the limitation of HDMI cable transmission length, but also Cat 5e or Cat 6 cable has more flexibility and convenience in cable structure. Ultra High PerformanceHDMI pigtails are attached to each unit, so there is no need to buy additional HDMI cables, and the HDMI extender repeater supports 3D. Automatically adjust feedback, equalization and amplification. Uncompressed audio such as LPCM is supported. Support for compressed audio such as DTS Digital (including DTS-HD and Dolby True HD) Support for deep color. NoticeYour best bet is to use a CAT6 cable Make sure your cable interface is working, otherwise it won't send the signal well. Please use a single Cat 5e up to 20m (65ft) or Cat 6 cable for 1080p to extend your HDTV monitor up to 30m (98ft), but it actually requires two cables, not one. Quality ServiceIf the product has any quality problems or you have any questions about this product, you can contact us at any time,we have a 24-hour online professional customer service team.we will try our best to solve your problem in time,please rest assured to buy.