HDMI Extender Adapter up to 100ft HDMI Over RJ45 Cat5-e Cat6 Cable Product Description HDMI Extender Adapter up to 100ft HDMI Over RJ45 Cat5-e Cat6 Cable This HDMI Extender uses a transmitter and receiver adapter to transmit high definition audio and video over a length of up to 100 ft using a single Cat-5e/6 cable. This setup overcomes the limits of traditional HDMI cables. The adapters are convenient because they does not require a power source. In addition, Cat-5e/6 cables are more convenient compared to an HDMI cable due to their flexibility.