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INTRODUCTION 

The 

K5706 

HDMI Extender over Single Coax with Bi-directional IR

  boosts up your HDMI 

transmission range up to 120m (394ft) in HDTV 1080p format through single coaxial cable. K5706 is easy 
to install and works perfectly with Belden 1694A coaxial cables. Other coaxial cables can also work with 
K5706  and the transmission distance depends upon the quality and bandwidth of coaxial cables. In 
addition, K5706 is also equipped with bi-directional IR pass-through path. This bonus feature allows users 
to rely on the same coax cable to have IR control on IR equipped devices, such as TV and BD players, 
and K5706 makes IR control possible through only single coax cable along with high quality HDMI A/V 
signals. 

The  K5706  includes two units: transmitting (K5706[TX]) and receiving (K5706[RX]) units. The 

transmitting unit is used to capture the HDMI and HDCP input signals and carry the signals through only 
coaxial cable. The receiving unit is responsible for auto equalizing the transmitted HDMI multimedia data. 
The transmission range between the sending and receiving units can be up to 120m (394ft) under Full HD 
(1080p) with 7.1 channel audio. 
 
 
 

FEATURES 

●  HDCP compliant 
●  Single coaxial cable 
●  7.1-channel audio supported 
●  Extends the transmission range up to 120m (394ft) from the HDMI sources under Full HD resolution 

(1080p60 24-bit color depth) through Belden 1694A coaxial cable. 

● Extends the transmission range up to RG59/U-70m(230ft) from the HDMI sources under Full HD 

resolution (1080p60 24-bit color depth) through RG59/U-3GHz solid coaxial cable. 

●  Video resolutions support 480i, 576i, 720p, 1080i, and 1080p 
●  Bi-directional IR path 
●  Wall mounting housing design for easy and robust installation 
 

 

 
 
 
 
 

PACKAGE CONTENTS 

●  1x K5706 [TX & RX] 

●  1x IR blaster 

●  1x IR receiver 

●  2x DC 5V 2A wall wart 

●  1x User Manual   

The length depends on the characteristics and quality of the coax cables. Higher resolutions 

and longer transmission distances require low skew cables for best performance. Solid and 

shielded coax cable such as Belden 1694A with metal 75

Ω

BNC connectors is recommended. 

 

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Summary of Contents for K5706

Page 1: ...HDMI Extender over Single Coax with Bi directional IR User Manual TX RX rev 170224 Made in Taiwan K K5 57 70 06 6...

Page 2: ...e this unit yourself except where explained in this manual Provide proper ventilation and air circulation and do not use near water Keep objects that might damage the device and assure that the placem...

Page 3: ...iving unit is responsible for auto equalizing the transmitted HDMI multimedia data The transmission range between the sending and receiving units can be up to 120m 394ft under Full HD 1080p with 7 1 c...

Page 4: ...6 layer board impedance control differential 100 single 50 Input 1x HDMI 1x IR socket 1x BNC 1x IR socket Output 1x BNC 1x IR socket 1x HDMI 1x IR socket IR remote control Electro optical characterist...

Page 5: ...ver 4 MODE Please see table below for detail information Pin 1 Pin 2 EDID feature OFF OFF 3G HD SD SDI with multi channel audio except DTS HD Master Dolby TrueHD OFF ON 3G HD SD SDI With stereo PCM au...

Page 6: ...eiver Infrared 3 5mm socket for plugging in the extension cable of IR receiver 10 COAX IN Connect to a high standard coaxial cable here Rear Panel 11 POWER SIGNAL LED Red light POWER Green light SIGNA...

Page 7: ...y to the HDMI port of TX 3 Power on TX 4 The green LED in the transmitting module will light up indicating the EDID learning procedure is complete 5 Please DO NOT change the DIP switch otherwise the b...

Page 8: ...EYE PATTERN 6...

Page 9: ...Plug Detect Pin 10 TMDS Clock NOTICE Since K5706 is sensitive to the HDMI source s input jitters the input HDMI signals with larger jitters will shorten the transmission distance hugely especially fo...

Page 10: ...unit or assume the risk of loss or damage in transit Under no circumstances will a unit be accepted without a return authorization number The warranty is in lieu of all other warranties expressed or i...

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