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Kramer Electronics Ltd. 

 

KRT-4 

– Technical Specifications 

12 

 

Technical Specifications 

Ports 

1 Female Connector (fixed cable end) 

VGA, HDMI, Audio, LAN, USB-2.0, 
USB-3.0, 3H2 or DisplayPort 

 

1 Male Connector (retractor cable end) 

Video 

Max. Resolution (KRT-4-H, KRT-4-DP) 

4K@60Hz (4:4:4) 

Environmental 
Conditions 

Operating Temperature 

0° to +40°C (32° to 104°F) 

Storage Temperature 

-40° to +70°C (-40° to 158°F) 

Humidity 

10% to 90%, RHL non-condensing 

Regulatory Compliance 

Safety 

CE 

Environmental 

RoHs, WEEE 

Enclosure 

Type 

Plastic (ABS PC) 

 

Color 

Black 

Cable Length 

Fixed Cable 

20cm (7.9") 

 

Retractable Cable 

180cm (71") 

General 

Net Dimensions with Clamps  
(W, D, H) 

20.4cm x 3.6cm x 19.3cm  
(8" x 1.4" x 7.6") 

Shipping Dimensions  
(W, D, H) 

26.5cm x 34.5cm x 7.2cm  
(10.4" x 13.6" x 2.8") 

Net Weight 

0.75kg (1.7lbs) approx. 

Shipping Weight 

1.3kg (2.9lbs) approx. 

Accessories 

Included 

3 M4x50 screws, WCP-(KRT) insert 
kit. 

Specifications are subject to change without notice at 

www.kramerav.com

 

 

KRT-4-3H2 Extender Additional Specifications 

 

Port 

Micro USB 

5V, 150mA (external power source, optional) 

Control 

Power LED 

Lights red when extender is powered 

Video 

Maximum Range 

4K@60Hz (4:4:4) 

– 10m (33ft) from extender to display 

4K@60Hz (4:2:0) / 4K@30 

– 15m (49ft) from extender to display  

1080p@60Hz 

– 15m (49ft) from extender to display 

 

Maximum Resolution 

4K@60Hz (4:4:4) 

 

Compliance 

Up to HDCP 2.2 

Specifications are subject to change without notice.

 

For the most updated resolution list, go to our Web site a

www.kramerav.com

 

 

Summary of Contents for KRT-4

Page 1: ...P N 2900 301295 Rev 5 www KramerAV com USER MANUAL MODEL KRT 4 Cable Retractor...

Page 2: ...lications 2 Defining the KRT 4 Cable Retractor 3 KRT 4 3H2 Features 4 Installing KRT 4 5 Attaching KRT 4 to the Underside of a Table 5 Attaching KRT 4 to a TBUS 6 Connecting to the KRT 4 11 Technical...

Page 3: ...nd elevated noise levels often associated with low quality cables Do not secure the cables in tight bundles or roll the slack into tight coils Avoid interference from neighboring electrical appliances...

Page 4: ...retract Cable slowly retracts for safe use Available Cable Types HDMI VGA Audio 3 5mm LAN USB 3 0 DisplayPort HDMI extender KRT 4 3H2 see KRT 4 3H2 Features on page 4 Refer to www kramerav com product...

Page 5: ...le Connector Connect to a male connector under a table Fixed Cable End Short connector cable Screw Openings for Mounting Under the Table 3 Use to attach the KRT 4 directly under a table Wing Head Thum...

Page 6: ...10m from output total 20m 65ft at 4K 60Hz 4 4 4 25m to input 15m from output total 40m 130ft at 4K 60Hz 4 2 0 30m to input 15m from output total 45m 150ft at 1080p60 HDTV compatibility HDCP 2 2 suppor...

Page 7: ...the Underside of a Table You can mount KRT 4 to the underside surface of a table and use it as a standalone device To attach KRT 4 under a table 1 Place KRT 4 under the table in the desired location M...

Page 8: ...ith clamps Alternatively the clamps can be installed on the front and rear sides to enable attaching KRT 4 to the left and right sides of the TBUS enclosure For TBUS models with a sliding lid for exam...

Page 9: ...ure 5 Tightening KRT 4 to the TBUS Enclosure 3 Attach the WCP KRT insert in the following way a Insert the cable through the bushing opening b Insert the cable with bushing through the insert opening...

Page 10: ...Kramer Electronics Ltd KRT 4 Installing KRT 4 8 The KRT 4 is now firmly fixed in place Figure 6 KRT 4 Attached to TBUS Under Table...

Page 11: ...ts You can attach several KRT 4 units to a Kramer TBUS For TBUS units with a sliding cover for example the Kramer TBUS 10xl attach the KRT 4 units side by side to the front side of the TBUS enclosure...

Page 12: ...rear side of the TBUS enclosure Figure 8 To maximize the number of KRT 4 units that can be attached to TBUS 1AXL TBUS 1 KWC or TBUS 1N use an inner frame that does not include single or dual power soc...

Page 13: ...Kramer Electronics Ltd KRT 4 Connecting to the KRT 4 11 Connecting to the KRT 4 You can connect the following devices to the KRT 4 Figure 9 Connecting KRT 4...

Page 14: ...H 20 4cm x 3 6cm x 19 3cm 8 x 1 4 x 7 6 Shipping Dimensions W D H 26 5cm x 34 5cm x 7 2cm 10 4 x 13 6 x 2 8 Net Weight 0 75kg 1 7lbs approx Shipping Weight 1 3kg 2 9lbs approx Accessories Included 3...

Page 15: ...Technical Specifications 13 KRT 4 Outline Dimensions with TBUS The following diagram shows the outline dimensions cm of a KRT 4 unit attached to a TBUS for example the Kramer TBUS 1Axl Figure 10 KRT 4...

Page 16: ...or any other party authorized to repair Kramer Electronics products this product must be insured during shipment with the insurance and shipping charges prepaid by you If this product is returned uni...

Page 17: ...nd a list of Kramer distributors visit our Web site where updates to this user manual may be found We welcome your questions comments and feedback The terms HDMI HDMI High Definition Multimedia Interf...

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