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Atlona AT-UHD-EX-70C-TX 4KUHD HDMI Over HDBaseT Transmitter with Control and POE

Atlona AT-UHD-EX-70C-TX 4KUHD HDMI Over HDBaseT Transmitter with Control and POE

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Regular price $423.00 USD
Regular price Sale price $423.00 USD
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Atlona AT-UHD-EX-70C-TX 4KUHD HDMI Over HDBaseT Transmitter with Control and POE

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The Atlona AT-UHD-EX-70C-TX is an HDBaseT transmitter for HDMI transmission up to 230 feet (70 meters) over category cable with RS-232 and IR control pass-through. It transmits video signals up to 4K/UHD @ 60 Hz with 4:2:0 chroma subsampling, plus embedded multi-channel audio. The AT-UHD-EX-70C-TX is HDCP 2.2 compliant and supports EDID communication. This HDBaseT transmitter is externally powered by the included power supply, making it ideal for extending AV and control directly to a projector with an HDBaseT input.

The AT-UHD-EX-70C-TX provides a value-oriented integration solution for simple point-to-point signal extension to a display, or expanding the scope of an AV system design with remote input connectivity. It features a quarter rack width metal enclosure and includes surface mounting brackets for easy under-table, furniture, or on-wall installation.


The AT-UHD-EX-70C-TX is ideal for use in:
  • Extending AV and control to HDBaseT-equipped projectors and flat-panel displays
  • Integrating a remote source or HDMI connection point into an Atlona switcher with an HDBaseT input
  • Installations in which UHD-EX Series transmitters are to be used with third-party HDBaseT devices

4K/UHD capability @ 60 Hz with 4:2:0 chroma subsampling
  • Supports 4K/60 4:2:0 and 4K/30 4:4:4
  • Allows 4K/UHD transmission when used with a compatible HDBaseT-equipped display or HDBaseT receiver

HDCP 2.2 compliant
  • Adheres to latest specification for High-bandwidth Digital Content Protection
  • Allows protected content stream to pass between devices

Supports 4K HDR10 @ 24 Hz
  • Extends 4K HDR10 @ 24 Hz (4:2:0 chroma subsampling, 10-bit color)

Local AC powering
  • Includes external power supply – ideal for point-to-point installations with an HDBaseT-equipped projector
  • IEEE 802.3af PoE Power Sourcing Equipment (PSE) – can supply power over HDBaseT to a remote receiver, such as the AT-UHD-EX-70C-RX*
  • Saves time and integration costs

Long distance HDBaseT extension
  • Transmits AV and control up to 230 feet (70 meters) @ 1080p or 130 feet (40 meters) @ 4K/UHD using CAT6a/7 cable
  • Uses easy-to-integrate category cable for low-cost, reliable system installation

Extends bidirectional RS-232 and IR control signals
  • Control signals travel over HDBaseT link to device for maximum control system flexibility
  • Simplifies integration of source, control system, and display

Rear panel I/O connectors
  • Placement of ports on rear panel simplifies wire management
  • Saves installation time and eliminates clutter

Multi-channel audio compliant
  • Supports PCM, Dolby Digital, Dolby Digital Plus™, Dolby TrueHD, Dolby Atmos®, DTS Digital Surround™, DTS-HD Master Audio™, and DTS:X™
  • Allows any multi-channel audio stream to be used within a professional audio system

Field-updatable firmware
  • Front panel USB port provides an easy means for device updates
  • Ensures long-term system return on investment

Front panel Power and Link status LEDs
  • LED indicators provide power and HDBaseT link status information
  • Provides easy setup and troubleshooting

Power chaining
  • Included power supply provides ample power for up to three Atlona HDBaseT extenders
  • Four Atlona HDBaseT extenders can be powered using the optional AT-PS-483125-C power supply
  • Reduces clutter from multiple power supplies in equipment racks

Low-profile, 1 inch (25 mm) high quarter rack-width enclosure
  • Easy installation into racks and confined spaces
  • Keeps devices out-of-sight when placed in public spaces

Included accessories
  • User guide, surface mounting brackets, and external universal power supply


Signal: HDMI
Copy Protection: HDCP 1.4/2.2
Pixel Clock: 300 MHz
4096×2160 @ 24/25/30/50(1)/60(1) Hz
3840×2160 @ 24/25/30/50(1)/60(1) Hz
2048x1080p @ 60 Hz
1920x1080p @ 60/59.94/50/30/29.97/25 /24/23.98 Hz
1080i@60/59.94/50 Hz
1280x720@60/59.94/50 Hz
All resolutions are 60Hz:
Color Space: YUV, RGB
Chroma Subsampling: 4:4:4, 4:2:2, 4:2:0
Color Depth: 8-bit, 10-bit, 12-bit
HDR: 4K HDR10 @ 24Hz, 4:2:0 chroma subsampling, 10-bit color


PCM 2.0
LPCM 5.1
LPCM 7.1
Dolby® Digital
Dolby Digital Plus™
Dolby TrueHD
Dolby Atmos®
DTS® Digital Surround™
DTS-HD Master Audio™
Bit Depth: up to 24-bit
Sample Rate: 32 kHz, 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, 192 kHz

Resolution / Distance 4K/UHD - Feet / Meters 1080p - Feet / Meters
HDMI IN/OUT                                    15  5         30 10
CAT5e 115                                    35      200         60
CAT6/6a/7                                   130 40         230 70


CEC: Pass through

Buttons and Indicators
Function Indicators:
1 x LED, green
1 x LED, yellow


HDMI IN: 1 - Type A, 19-pin female
HDBaseT OUT: 1 - RJ45, female
FW: 1 - Micro-A USB
RS-232: 1 - 3-pin captive screw
IR IN / IR OUT: 1 - 4-pin captive screw
DC 48V: 1 - 2-pin captive screw

Environmental Fahrenheit Celsius
Operating +32 to +122 0 to +50
Storage         -4 to +140 -20 to +60
Humidity (RH) 20% to 60%, non-condensing


Consumption: 10.89 W
External Power Supply: Input: 100 - 240 V AC, 50/60 Hz
Output: 48V, 0.83A

Dimensions (H x W x D)                 Inches               Millimeters
Unit                                                 0.93 x 4.2 x 2.95     23.7 x 106.8 x 75
Power Supply (AT-PS-483125-C) 1.42 x 1.81 x 4.41 36 x 46 x 112

Weight Pounds Kilograms
Unit         0.55         0.25

Device: CE, FCC
Power Supply: CE, FCC, RoHS, cULus, RCM, CCC

NDAA-899: Yes

Echotone Music LLC is an experienced  long time E-commerce Audio & Musical instrument dealer since 1998.  We take pride in selling quality gear for musicians, sound engineers, production companies and broadcast applications.   

Shipping --Items are well packed and shipped  USPS, UPS or Pallet Freight Service.  Items purchased on Friday may not ship until Monday or until the projected processing period.  We are working hard to get your unit Built ( if needed), processed and shipped.

Returns/Refunds- If there is truly a manufacturing defect a return tag will be provided, otherwise customer pays for return shipping costs.

Returned items must be sealed/unopened in original, brand-new condition, showing no signs of wear or use such as mount marks, plug marks, scratches,  scuffs, dings or scrapes, screw mount marks or collateral material damage.. Items must also include all original packaging, manuals, warrantees & accessories or your return may be subject to a return handling charge.

Refunds or for the Item cost only. If the item was listed as free shipping then the cost of the shipment will be deducted from the units original cost. Gear returned with out all its original packaging, warranty cards and accessories or that shows signs of wear from use, will be subject to an additional service fee. This item is now used and it would be unfair to resell to another customer as new. 

The following products cannot be returned - Clearance items, Custom Builds, items identified as non-returnable, discontinued items, used or NOS items,  electronic software downloads, demo gear, strings, reeds, computers, tubes, earbuds, earplugs, recorders, harmonicas, raw-frame speakers, drumheads, drumsticks, turntable cartridges, fog fluids, clothing/footwear, cleaners, polishes & polishing cloths, software/soundware, books, CDs, DVD's, vinyl records, and videos.

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