The HDMI Extender by CAT-5e/6 uses one piece of CAT-5e/6 cables to extend the HDTV display up to 50 meters. 

For 1080p use Cat6 cable.  It not only breaks the limitation of the HDMI cable transmission length, but also CAT-5e/6 has more flexibility and convenience in cable construction.

Resolutions will vary with length and cable used;

HD-EX344DUO Performance  Cat5/6 Cable Length Resolution

CAT6 50 Mtr 1080P

CAT6 60 Mtr 1080i/720P

CAT6 70 Mtr 480P

CAT5E 45 Mtr 1080P

CAT5E 50 Mtr 1080i/720P

CAT5E 60 Mtr 480P

Feature:

CAT-5e/6 cable can substitute HDMI cable to achieve long distance transmission

Follow the standard of IEEE-568B

Transmission distance can be up to 50 meters for 1080p using CAT-5e

Auto-adjustment of feedback, equalization and amplify

HDCP compliant

Devices with DVI output are not supported due to the lack of signal control

CEC Support

Dimensions:  6.5cm x 10cm x 2.5cm

Contents : Local & remote unit 2x 5V DC Power supply User manual