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LEN Digital Video Signal Splitters

LEN Digital Video Signal Splitters

Miniature, lightweight passive designs, requiring no power, L E N SDI splitters are a direct equivalent to the use of a Distribution Amplifier to create additional SDI signals, for most applications.

L E N Splitters are also ideal for such applications as additional monitor feeds say in remote camera locations, and in situations where size and weight are critical factors, such as racing cars, bikes and other sporting and research applications. Offering a broadcast-quality signal, they are useful in both permanent and temporary installations. They may be used freestanding and have fixing screws for mounting through panels.

Fivemodels are available: The LEN-4KS01 is for use with full 12G/4K UHD SDI video and all lower standards including 6G, 3G, HD and SD SDI. The LEN-3GS01 may be used with 3G, HD or SD SDI signals while the LEN-HDS01 may be used with HD or SD SDI. Each is built in an ABS enclosure fitted with three female BNC connectors.

All the L E N Video Splitters can also be used with the ASI format.

Two or more splitters can be used in series to provide up to eight individual feeds over shorter distances. Actual distance dependant on original signal strength and cable quality.

Technical Note

To achieve the specified performance the input should be fed with a source impedance of 75 ohms and both outputs must be terminated with 75 ohms. Therefore, if an output cable is not present, a 75 ohm termination should be fitted. This should be specified to operate over the full SDI bandwidth in use.

Optional accessories

The LEN-LMPS02 rack frame is a 1U 19-inch panel, finished in black, punched to take eight splitters mounted from the rear by means of the mounting screws, the BNC connectors facing out of the rack. If it is desired to have the connectors facing into the rack, the splitters may be reversed, revealing the splitter modules which will protrude 15mm from the surface of the panel.

Technical Specifications
Impedance 75 Ohms
Insertion loss 3.8dB 3.4dB
Amplitude roll-off (2) <0.2dB to 360 MHz
<0.5dB to 1485 MHz
<2.0dB to 3.0 GHz
<4.0dB to 12 GHz
<0.2dB to 360 MHz
<0.5dB to 1485 MHz
<4.0dB to 3.0 GHz
<0.2dB to 360 MHz
<0.5dB to 1485 MHz
<0.2dB to 360 MHz -0.2dB to 360 MHz
Return loss (input) (1) >10dB MHz to 12.0 GHz >15dB 5 MHz to 3.0 GHz >15dB 5MHz to 1485 MHz >15dB 5MHz to 360 MHz >15dB 5MHz to 270 MHz
Drive capability (typical) (4) Up to 65 metres Up to 70 metres Up to 90 metres   Up to 90 metres
Isolation (3) 5dB @ 270 MHz
10dB @ 1485 MHz
15dB @ 3.0 GHz
20dB @ 12.0 GHz
35dB @ 270 MHz
16dB @ 1485 MHz
10dB @ 3.0 GHz
35dB @ 270 MHz
16dB @ 1485 MHz
32dB @ 360 MHz 35dB @ 270 MHz
Enclosure ABS box, 45 x 30 x 15 mm (excluding connectors)
Weight 30 gm
Connectors BNC female


  1. Worst case, both outputs terminated
  2. Maximum attenuation
  3. Between output ports
  4. Depends on cable type, 20% reduction compred to free cable run
Description      Each:
Price Qty
LEN-4KS01LEN 4K/12G digital video signal splitter£336.00
LEN-3GS01LEN 3G-SDI digital video signal splitter£107.50
LEN-HDS01LEN HD-SDI digital video signal splitter£89.60
LEN-SDS01LEN SD-SDI digital video signal splitter (available until stocks are exhausted)£66.67
LEN-AMS01LEN AES/MADI/ASI signal splitter£89.60
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