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Amazon.com: J-Tech Digital ® ProAV ® Unlimited N x N HDMI Extender Over Ethernet Cat6 Extender Matrix 12X12 8X8 Switch Switcher Extender by Single Ethernet Cable up to 400ft (Receiver) : Electronics
Fast 12x12 HDMI Matrix Switch w/Apps, WEB GUI, Video Wall, Separate Audio & Scaling, WolfPack
J-Tech Digital ProAV HDMI Extender / H.264 Encoder and Decoder Over Ethernet Cat6 Extender Matrix 12X12 8X8 Switch Switcher Extender by Single Ethernet Cable up to 400ft (Transmitter/Encoder) - Walmart.com
WolfPack's 12x12 HDMI Matrix Switch with Video Wall