1. Product introduction This HDMI extender can extend the high-definition signal up to 30 meters with a Cat6 cable, and the resolution can reach 1080P. It not only breaks the limitation of the transmission length of the HDMI cable, but also is more convenient and flexible, and can choose the model with KVM function, which is more extensive Customers save costs. Our HDMI extender is specially designed for surveillance, suitable for DVR, NVR hard disk recorder, etc. 2. Connection method 1. Connect the HDMI signal source (such as DVR, NVR hard disk recorder) to the sending end of the HDMI extender. 2. Use Cat6 network cable to connect the network interface of the sender and receiver. 3. Connect the receiving end of the HDMI extender to the display device (such as high-definition TV, splicing screen, etc.) 4. (Optional function) Use USB cable to connect the KVM port of TX to the signal source (generally used in DVR, NVR), and the KVM port of RX to connect a wired mouse. 3. Main Features 1. Support 1080P, support 165MHz/165Gbps single channel (4.95Gbps all channels) bandwidth. 2. Support KVM function (optional model function). 3. Use Cat6 network cable (recommended), the transmission distance can reach 30 meters, and the resolution can reach 1080P. 4. Support uncompressed audio two-channel audio transmission, such as LPCM. 5. The network cable is connected according to the IEEE-568B standard. 6. No external power supply required. 7. Simple installation. 4.Reminder: There are 2 options here. "With KVM Function " and "No KVM Function", the product in the picture is With KVM Function, "No KVM Function"Only has extender function, does not support USB connection. please buy it according to your needs. NO Retail Package Box,if need,pls contact us first .