Amazon.com: VividAV Video Adapters (HDMI F-F) : Electronics
1pc HDMI Female to Female F F Coupler Extender Adapter Connector HDTV HDCP 1080P | eBay
Tripp Lite 1ft High Speed HDMI Cable with Etherenet Digital Video / Audio Panel Mount F/F 1' - HDMI extension cable with - P569-001-FF-APM - Audio & Video Cables - CDW.com
HDMI Female to Female Gender Changer Adapter - HDMI Coupler
Hdmi (F-F) Inline Coupler, Black - American Teledata Store