Blackbird 4K Pro HDBaseT Extender Kit, IR, 70m with PoC, RS232, HDCP 2.2
    Product # 21609
    Blackbird 4K Pro HDBaseT Extender Kit, IR, 70m with PoC, RS232, HDCP 2.2
    Product # 21609
    In Stock This item should ship tomorrow (5/26/2017) if ordered within 21 hours 11 minutes

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    Blackbird 4K Pro HDBaseT Extender Kit, IR, 70m with PoC, RS232, HDCP 2.2

    The Blackbird™ 4K Pro HDBaseT™ Extender distributes HDMI® signals over a single Cat6 cable to distances up to 70 meters. It supports the PoC feature, eliminating the need for power adapters on the receiver.


    • Supports HDCP 2.2
    • Supports resolutions up to 4K@60Hz
    • Transmits 4K video to distances up to 35 meters
    • Transmits 1080p video to distances up to 70 meters
    • Supports the Power over Cable (PoC) feature
    • Supports IR and RS232 extension

    Blackbird 4K Pro HDBaseT Extender

    Model 21609
    Transmitter Inputs 1x HDMI, 1x IR (3.5mm), 1x RS232
    Transmitter Outputs 1x HDBT (RJ45), 1x IR (3.5mm)
    Receiver Inputs 1x HDBT (RJ45), 1x IR (3.5mm), 1x RS232
    Receiver Outputs 1x HDMI, 1x IR (3.5mm)
    Transmission Standard HDBaseT
    Maximum Bandwidth 10.2 Gbps
    Maximum Resolution 4K@60Hz 4:2:0
    HDCP Version 2.2
    4K Transmission Distance 115 feet (35 meters)
    1080p Transmission Distance 230 feet (70 meters)
    Input Power 12 VDC, 1A
    AC Adapter Input Power 100 ~ 240 VAC, 50/60 Hz
    Maximum Power Consumption 10 watts
    Operating Temperature +14 ~ +122°F (-10 ~ +50°C)
    Operating Humidity 0 ~ 90% RH, noncondensing
    Transmitter Dimensions 4.7" x 0.6" x 2.9" (120 x 16 x 74 mm)
    Receiver Dimensions 4.7" x 0.6" x 2.9" (120 x 16 x 74 mm)
    Transmitter Weight 8.5 oz. (240g)
    Receiver Weight 8.5 oz. (240g)

    Support Files:

    Blackbird™ is a trademark of Monoprice Inc.

    HDBaseT™ and the HDBaseT Alliance logo are trademarks of the HDBaseT Alliance.

    HDMI®, the HDMI Logo, and High-Definition Multimedia Interface are trademarks or registered trademarks of HDMI Licensing LLC in the United States and other countries.

    Start typing your question and we'll check if it was already asked and answered. Learn More
    Browse 16 questions Browse 16 questions and 14 answers
    How many ethernet ports does this unit have? The pictures show only ONE per unit (Tx & Rx), but the diagram in the description shows THREE per unit (Tx & Rx), demonstrating simultaneous connections between each unit, as well as a Router, PC, Laptop, etc.
    Tulio Q on Apr 18, 2017
    BEST ANSWER: The diagram is for a different model - Product # 21608.
    What is the latency? Is there noticable delay in the audio if the two moniotrs are within earshot of each other?
    Daniel H on Apr 18, 2017
    BEST ANSWER: Since this unit is HDBaseT, there is no latency introduced.
    The product photos show and the diagram are different - the photos show 1 ethernet port on the receiver and transmitter and the diagram shows 3 ethernet ports - which one is it?
    A shopper on Apr 18, 2017
    BEST ANSWER: This is the link to the user manual. It is to the left at the bottom of the diagram
    For my application, I am showing live camera video on TVs across the room, but the audio is coming thru a sound system with zero delay. Will this system provide video transmission 100ft away and still sync up with the audio?
    Robert L on Apr 18, 2017
    BEST ANSWER: Thank you for your question. Yes, the audio would sync up. However, it would be recommended to use a shielded ethernet cable to help prevent any interference. If running the ethernet cable through the walls, be sure to keep the ethernet cable as far away as possible from the power wires in the walls.

    Should you require additional assistance, please reach out to our technical support team with a detailed question via any of the methods available here:

    Our knowledgeable Technical Support staff would be more than happy to assist. Thank you
    Anything coming out with HDBaseT 2.0?
    Philip K on Apr 18, 2017
    Does this extender support HDR?
    Cary S on Apr 28, 2017
    BEST ANSWER: Thank you for your question. This unit will not support HDR.

    Should you require additional assistance, please reach out to our technical support team with a detailed question via any of the methods available here:

    Our knowledgeable Technical Support staff would be more than happy to assist. Thank you
    Where can I see the user manual for this?
    New User U on Apr 18, 2017
    BEST ANSWER: Hello, at the moment we do not have the manual available on our website. Feel free to email our technical support team at for further assistance in regards to obtaining the documentation, thank you!
    Can I use Cat-6 Ethernet cable to send 4K video @ 60Hz to a distance of 50ft (15-16 meters)? Or only Cat-7 cable is reliable with 4K @ 60Hz?
    Khurram Z on Apr 18, 2017
    BEST ANSWER: Hi Khurram, the PID 21609 performance features are designed to operate with Cat6 Ethernet cables. while Cat7 cables offer an improvement in performance over Cat6, we have designed this unit to operate with a cable type that is much more common. That said, PID 21609 is capable of supporting 4K@60hz 4:2:0 at 35m with used with an Ethernet Cat6 cable.
    Does it have HDMI CEC or ARC support?
    A shopper on Apr 12, 2017
    BEST ANSWER: It does support CEC pass thru but does not support ARC. Thanks!
    Perhaps a silly question, but would a Cat 5e cable work in any form or fashion, even at a short distance? or is Cat6 the only option?
    Thomas O on Apr 18, 2017
    BEST ANSWER: Hi Thomas, Cat5e will work in some instances, but we highly recommend the use of Cat6 to gain the maximum available performance. Cat6 supports 10-gigabit speeds while cat5e is only capable of gigabit speeds, the discrepancy in cable performance alone is 10x, which can affect the overall performance of the HDbaseT transmission. Cat5e may work in certain special applications, as long as there is an understanding that top level performance may suffer. Thank you for reaching out to us.
    One reviewer said, "...Receiver unit gets quite hot, however.". Does anyone know if the Receiver is hot all the time (because it has constant power) or is it only hot when being used (when signal is passing through)?
    BO K on May 15, 2017
    BEST ANSWER: They both get hot, but NOT really hot, but toasty,.
    What IR controllers/sensors are compatible? Is there a product that would allow 2 more HDMI outputs in a similar fashion?
    A shopper on May 5, 2017
    BEST ANSWER: Any ir sensor is compatible as long as it has a 3.5 mm jack to input and output from the units. There is another product with 3 hdmi ports that provides switching. Honestly, make sure you have a solid Cat6 cable run because these did not work on a Cat5e run for me.
    Does the Poc allow powering a device such as a camera at the remote end as the HDBT specs indicate?
    New User U on May 23, 2017
    Where can one purchase the "optional" IR emitter and detector for this?
    John G on May 15, 2017
    The specs say HDCP 2.2 and HDMI 1.4, but the 4k60 says you need hdmi 2.0 to support based on the HDMI version comparisons. Will this device support UHD bluray and devices like the Roku Premier which have hdmi 2.0 and hdcp 2.2 with 4K content?
    David E on May 8, 2017
    Will this work with other resolutions as well such as 1080i and 720p?
    Scott F on Apr 21, 2017
    4.7 / 5.0
    3 Reviews
    5 Stars
    4 Stars
    3 Stars
    2 Stars
    1 Stars
    Perfect for my needs
    I'm using this extender to send Comcast cable through a splitter to an outdoor tv. Setup was a breeze - took all of 2 minutes. Love the fact that it sends power to the receiver so it minimizes cords.

    3.5mm audio out is only extra feature I would like to have seen.
    April 27, 2017
    VERY pleased so far
    I own an Audio/Video Production company and I have been using different HDMI over Cat 5 & 6 for years. This particular unit it really good so far. I have only used them for 4 events (I do IMAG as well as production recording) and they have been rock solid up to lengths of 200' using 1080i. My switchers sees the signal (I am using a Blackmagic ATEM Production Studio 4K) and while other extenders have required me to use EDID emulators to work, these do not, they work right out of the box. I have used these with cameras as well as Macbook Pro and Lenovo laptops with success. I LOVE that power is only required on one end and that it can be either end.
    They do get hot, but have worked for up to 10 hrs without one dropout.
    I have their longevity is good, they are SOLIDLY built, so I expect they will.
    Really happy so far.
    May 23, 2017
    2 weeks ago
    Works as described
    Excellent picture quality - works as described. Receiver unit gets quite hot, however.
    May 1, 2017
    1 month ago

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