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Kramer WP-577VH
Active Wall Plate HDMI Transmitter


The Kramer WP-577VH is wall plate transmitter for HDMI and computer graphics video with unbalanced stereo audio and RS-232 signals.
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Kramer WP-577VH
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The Kramer WP-577VH is wall plate transmitter for HDMI and computer graphics video with unbalanced stereo audio and RS-232 signals. The unit encodes the input signals into DGKat twisted pair that it transmits to a compatible DGKat switcher or receiver.

The WP-577VH accepts the following signals:

  • HDMI and PC graphics video
  • Unbalanced, stereo audio
  • An RS-232 control or data signal

The WP-577VH encodes these signals and transmits the encoded signal via DGKat cable to a compatible DGKat switcher or receiver (for example, the TP-578HDCP, TP-574 or PT-572+). The stereo audio can be embedded into the output signal.

Using the WP-577VH, you can also communicate via the twisted pair cable:

  • EDID (Extended Display Information Data)
  • HPD (Hot Plug Detect) signals from the display device to the source to trigger the auto-switching facility


  • Small to medium boardroom switching
  • Interfacing with a variety of source-to-remote displays in schools and businesses
  • "Bring-your-own" laptop environments
  • Hotel rooms

Kramer WP-577VH Features:

  • Max. Data Rate - 4.95Gbps (1.65Gbps per graphic channel).
  • HDTV Compatible.
  • HDCP Compliant.
  • HDMI Support - x.v. Color™ and 3D.
  • Digital Audio Format Support.
  • HPD (Hot Plug Detect) Signals - Automatic live input detection based on 5V presence.
  • K-Link™ Compatibility - Uses RS-232 to control other Kramer devices and send data to remote, external RS-232 devices.
  • PowerConnectPlus - A single connection to the transmitter or the receiver powers both units. The higher voltage PowerConnectPlus also powers regular PowerConnect devices via auto-negotiation. Compatible power connect source: VS-62D.
  • DGKat™ Signal Integration - Kramer’s unique technology for converting TMDS as well as control and communication to signals that run over twisted pair cables. We strongly recommend using Kramer DGKat™ cables designed specifically for optimum performance.
  • System Range - Up to 295 ft. (90m) at 1080i, or up to 98 ft.(30m) at 1080p on shielded BC-DGKat524 cable. Up to 295 ft. (90m) at 1080i, or up to 230 ft. (70m) at 1080p on shielded BC-DGKat623 cable. Up to 330 ft. (100m) at 1080i or up to 295 ft. (90m) at 1080p on shielded BC-DGKat7a23 cable.
  • Cable - Requires Shielded Twisted Pair (STP) Cable -For optimum range and performance use, use Kramer's BC-DGKat524, BC-DGKat623, and BC-DGKat723 cables. Note that the transmission range depends on the signal resolution, graphics card and display used. The distance using non-Kramer CAT5, CAT 6, and CAT 7 cables may not reach these ranges. Use only shielded cable where both ends of the shield are soldered to ground.
  • Automatic Switching - To the last connected or priority video input.
  • Automatic Analog Audio Detection and Embedding.
  • EDID Pass Thru - Passes EDID/HDCP signals from source to display.
  • Data Equalization and Reclocking.
  • Protocol 3000 Support.
  • Decora US Wall Plate.
  • Availablein Black, Gray, or White (please specify when ordering).

Kramer WP-577VH Specifications:

  • Inputs: 1 HDMI on an HDMI connector, 1 VGA on a15-pin HD (F) connector, 1 unbalanced stereo audio on a 3.5mm mini jack.
  • Outputs: 1 DGKat TP on an RJ-45 connector, 1 unbalanced audio on a 3-pin terminal block.
  • Ports: 1 Bidirectional serial port on a 3-way terminal block.
  • Max. Data Rate: Up to 4.95Gbps (1.65Gbps bandwidth per graphic channel).
  • Standards: HDMI, x.v.Color™ and 3D, HDCP.
  • Maximum Transmission Distance: 295 ft. (90m) up to 1080p @60Hz.
  • Power Consumption: 12V DC, 700mA.
  • Operating Temperature: 32° to 104°F (0° to+40°C).
  • Storage Temperature: –40° to 158°F (–40° to+70°C).
  • Humidity: 10% to 90%, RHL non-condensing.
  • Dimensions (WxDxH, US): 3.46" x 1.69" x4.12" (8.79cm x 4.3cm x 10.47cm).
  • Weight: 0.44lbs. (0.2kg) approx.
  • Included Accessories: Power supply.

NOTE: All information and Specifications are subject to change without notice.

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