Kramer Electronics
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Kramer Electronics TP-573 HDMI, Bidirectional RS-232 and IR Over Twisted Pair Transmitter

SKU: KRTP573 MFR: TP-573

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List Price: $250.00

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Product Highlights

  • HDTV compatibility
  • Transmitter
Kramer Electronics TP-573: Picture 1 regular $180.00

About Kramer Electronics TP-573

The Kramer Electronics TP-573 HDMI, Bi-Directional RS-232 & IR over Twisted Pair Transmitter is a device for converting and sending an HDMI signal (up to version 1.4) plus control commands and data over twisted pair (e.g. CAT-5) cables. Used with a Kramer TP-574 receiver, the TP-573 transmitter extends the range of an HDMI source so that it can feed a display across a facility, for instance. While HDMI cables have an approximate range of 50', CAT-5 cables can carry pristine HDTV video and associated audio signals over distances in the hundreds of feet.

The range of the device's transmission varies based on the signal resolution, graphics card, display and cables used. Kramer has tested the device with their own cables. The device transmits up to 295' at 1080i, or up to 98' at 1080p on shielded BC-DGKat524 cable. Using shielded BC-DGKat623 cable, the range extends to 295' at 1080i or up to 230' at 1080p. With shielded BC-DGKat723 cable the range is up to 330' at 1080i or up to 295' at 1080p.

The TP-573 supports bi-directional RS-232 and infrared signals, which means that a computer source, for example, can be used to control a display device hundreds of feet away and receive data from that device. Control signals are sent with converted video and audio signals over the twisted pair cable. By supporting HDMI, the transmitter passes through video and multi-channel audio from an HDMI source such as a set-top box, DVD player, camera, or AV receiver.

Kramer Electronics TP-573 Features

  • HDTV compatibility
  • HDMI 1.4 includes within the spec support for 3D pass-through, Deep Color, x.v.Color, Lip Sync, HDMI Uncompressed Audio Channels, Dolby TrueHD and DTS-HD. HDMI supports existing high-definition video formats (720p, 1080i and 1080p60), as well as standard definition formats such as NTSC or PAL
  • Passes EDID and HDCP signals from source to display
  • Passes Hot Plug Detect (HPD) signals from the display device to the source
  • Power Connect feature allows both the transmitter and a receiver (not included) to be powered from the transmitter's 12V DC power source when the devices are within 150 ft (50 m) of each other, as long as the cable can carry power
  • TP-573 System goes into standby mode when the HDMI input is not connected
  • Three similar-sized units can be rack mounted side-by-side in a 1U rack space, using an optional RK-3T adapter

Kramer Electronics TP-573 Specifications

1 HDMI connector, 1 bidirectional IR port on a 3.5mm mini jack, 1 bidirectional RS-232 port on a 9-pin D-sub connector
1 CAT 5 OUT on an RJ-45 connector
Supports up to 1.65Gbps bandwidth per graphic channel
Compliance With HDMI Standard
Supports HDMI and HDCP
Power Source
12V DC, 510mA
Dimensions (W x D x H)
12.1cm x 7.18cm x 2.42cm (4.76" x 2.83" x 0.95")
0.3kg (0.67lbs) approx
Mfr #
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