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Kramer VM-1H4C

1:4 HDMI / DGKat Twisted Pair Transmitter & Distribution Amplifier
1 × HDMI input; 4 × DGKat twisted pair outputs, Max bandwidth 4.95Gbps

£911 (£1093.20 inc. VAT)
Availability: In stock

Kramer VM-1H4C (50-70958190)

The Kramer VM-1H4C is a high-quality 1:4 twisted pair distribution amplifier for HDMI signal to PoC Long-reach DGKat signals. The unit receives serial commands and IR signals transparently via the RS-232 port and the TP link. It reclocks and equalizes the input signal and distributes it to four DGKat TP outputs.

  • Max. Data Rate — 4.95Gbps (1.65Gbps per graphic channel).
  • HDTV Compatible.
  • HDCP Compliant.
  • DGKat Signal Integration — Kramer's unique technology for converting TMDS as well as control and communication to signals that run over twisted pair cables.
  • EDID Pass-through — Pass-through algorithm ensures Plug and Play operation for HDMI source and display systems.
  • HDMI Support — x.v.colour and uncompressed audio channels, Dolby TrueHD, DTS-HD.
  • 3D Pass-Through.
  • Kramer Equalization & re-Klocking Technology — Rebuilds the digital signal to travel longer distances.
  • System Range — Up to 90m (295ft) at 1080i @60hz or up to 70m (230ft) at 1080p @ 60hz when using Kramer DGKat cables.
  • Note: Transmission range depends on the signal resolution, graphics card and display used. If using third-party shielded CAT cables, both ends of the shield must be soldered to the connectors for the products to function properly.
  • Power Connect — The VM-1H4C provides power to the twisted pair receivers when they are within 270ft (90m) of the transmitter.
  • Active Input & Output LED Indicators.
  • Serial Command Handling — Receives serial commands transparently via the RS-232 port and the TP link.
  • Desktop Size — Compact size. 2 units can be rack mounted side-by-side in a 1U rack space with the recommended rack adapter.
  • 7 year warranty (Click Here for details)

Kramer VM-1H4C Specifications


Inputs 1 × HDMI connector, 1 × IR on a 3.5mm mini jack, 1 × RS-232 on a 9-pin D-sub connector
Outputs 4 × twisted pair on RJ-45 connectors

Video Specifications

Max. Data Rate Supports up to 4.95Gbps (1.65Gbps per graphic channel)
HDMI Compliance Supports HDMI and HDCP


Indicator Leds Power, INPUT, OUTPUT 1, 2, 3 and 4
Power 12V DC, 2A
In The Box VM-1H4C, Power supply
Shipping Dimension 35.10×21.20×7.20cm (13.82×8.35×2.83") W×D×H
Shipping Weight 1.9kg (4.2lbs) approx.
Product Dimension 21.46×16.30×4.36cm (8.45×6.42×1.72") W×D×H
Product Weight 0.9kg (2.0lbs) approx.


Operating Temp. 0° to +40°C (32° to 104°F)
Storage Temp. -40° to +70°C (-40° to 158°F)
Humidity 10% to 90%, RHL non-condensing

Kramer VM-1H4C Usage Diagram

Kramer VM-1H4C Usage Diagram

Replacement Power Supplies

ProductDescriptionPriceInc. VAT
Kramer PS-1202 12V/5A Desktop Power Supply with 75cm power cord £31 £37.20
Kramer PS-1205 Desktop Power Supply 12V/5A £49 £58.80
Kramer VA-102P12 10-Output 12v DC Power Supply MAX 10A - 1 Amp per channel £326 £391.20

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CYP QU-4-4K22 1:4 HDMI 2.0 and HDCP 2.2 distribution amplifier with 2K, 4K and 3D support
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Magenta Research MG-DA-614 1:4 HDMI 2.0 Distribution Amplifier and Down Scaler
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