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BirdDog Flex 4K

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The Smallest NDI on the Planet.
Mac & Win
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As low as $399.00

BirdDog Flex 4K Out Full NDI Decoder

The Smallest NDI on the Planet.
4K NDI in an incredibly small package. Flex delivers everything you have come to expect from BirdDog’s one cable solution including Tally, Audio, Video, PTZ Control, Audio Intercom and Power along a single Ethernet cable.

With 3 models to choose from in the Flex Family, Flex is perfect for all your workflow needs.

Top 10 Product Highlights:

  1. World’s smallest 4K NDI Decoder 
  2. PoE 
  3. Halo Tally
  4. Dante Support with optional $69 licence
  5. PTZ control
  6. Audio Intercom
  7. Adaptive NDI bitrate
  8. RESTful API 
  9. Free software – Comms Lite and Central Lite
  10. 100% Recyclable packaging

Small is the New Big.
With a footprint only slightly larger than a credit card, Flex are the world’s smallest 4K NDI Encoders and Decoders. Because sometimes the biggest things are also the smallest.

One Cable to Rule Them All. Now with added power.
BirdDog’s revolutionary Studio NDI gave the world NDI, Power, Video, Audio, Tally, and Audio Intercom all down a single Ethernet cable. Flex 4K IN and Flex 4K BACKPACK take it one step even further and provides an additional 15w extra power allowing you to use the DC output to power your monitor, recorder, or even your camera.

Cool touch thermals.
Sometimes the biggest features are also the least obvious. Flex 4K NDI has unmatched thermal design and whisper quiet fans to keep Flex cool and fresh even on the hottest days and in direct sunlight.

Halo Tally. It just works.
Flex’s revolutionary Halo Tally system is built right into the Flex Family and requires zero configuration when connected with any NDI enabled, software based, production system. The Halo Tally is designed to be seen by the camera operators as well as the on-air talent. 

Adaptive bit rate. Slide your way to glory.
Full NDI® is a variable bit rate codec. In normal circumstances BirdDog recommends allowing around 140Mbps in HD, or 6 streams per 1GbE cable with some headroom. In 4K it is recommended to allow around 300Mbps or 3 streams with some headroom to allow for any unforeseen spikes.

The Ultimate PTZ Sidekick.
If you aren't lucky enough to own a BirdDog PTZ camera with Full NDI natively then Flex can become the ultimate sidekick. Plug your PTZ camera into Flex via HDMI, attach the optional BirdDog PTZ control cable for full PTZ pass through control. This makes Flex the perfect upgrade for your PTZ camera while waiting for Santa to bring you a Full NDI BirdDog PTZ.

G’Day Dante. 
Flex 4K NDI family can support Dante input and output via the 3.5mm audio jack or the HDMI input on Flex IN and Flex BACKPACK. Flip Dante out of the NDI stream or embed Dante into the NDI stream. The choice is yours.

100% Recyclable packaging. We love Pachamama.
Every element of Flex packaging is 100% recyclable and we use soy based ink to further reduce our foot print. There are no printed manuals, you can download the most up to date version at any time from our website.

RESTful API. DIY automation.
Download the free BirdDog RESTful API and program your own automation for all BirdDog hardware endpoints, including cameras.

Camera Mount.
The optional camera mount adds a 1-4”/20 female thread for mounting onto ball heads and magic arms to pimp your rig the way you want it.

Central Lite 
Flex 4K Family includes free Central Lite NDI Routing software. Team up Central Lite with any NDI® source, including all BirdDog hardware capable of creating NDI® sources, you can now drive your NDI® streams to any BirdDog Studio NDI or Mini to decode NDI® back to SDI or HDMI.

Comms Lite.
Flex 4K Family includes free Comms Lite, your free Audio Intercom solution. With support for four BirdDog devices, plus a director, Comms Lite is a great way to start using Audio Intercom in your live productions.



Video Input Connectors  1x RJ45 (NDI)

Input Video Format          RJ45

UHD 4K: 25/29.97/30 fps

1080p: 25/29.97/30/50/59.94/60 fps

1080i: 50/59.94 fps

720p: 50/59.94/60 fps

Audio Input Connectors  None

Embedded Audio Input    RJ45


Video Output Connectors              1x HDMI (HDMI 2.0)

Output Video Format       HDMI

UHD 4K: 25/29.97/30 fps

1080p: 25/29.97/30/50/59.94/60 fps

1080i: 50/59.94 fps

720p: 50/59.94/60 fps

Audio Output Connectors              1x 1/8" / 3.5 mm TRS

Embedded Audio Output HDMI:2-Channel


Other I/O             1x RJ45 NDI, PoE

1 x 2.5 mm RS-232

Expansion Slots  None


Tally Light            Yes

Wi-Fi Support     Yes


Power Connector             1x Barrel (12 VDC) Input

1 x Barrel (12 VDC) Output

PoE Support        PoH802.3at


Dimensions         4.21x 2.48 x 1.22" / 107 x 63 x 31 mm

Weight  4.94 oz / 140 g

Warranty Length              Limited1-Year Warranty

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