^1x4 Hdmi Cat5e Distribution Amplifier With Local Loop-Out And 3d Support CEH21211S1, Siig. UPC 662774015392 (revised Jan 2016)
^ (2015). SIIG HDMI 1x4 HDMI CAT5e Distribution Amplifier with Local Loop-Out and 3D Support CE-H21211-S1, SIIG, Inc. Newegg. UPC 662774015392 (revised Nov 2015)