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BirdDog Flex 4K BACKPACK HDMI to Full NDI Encoder


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The BirdDog Flex 4K BACKPACK HDMI Encoder is an ultracompact NDI interface for HDMI video sources.
Original price $399.00 - Original price $399.00
Original price
$399.00 - $399.00
Current price $399.00

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  • Ultracompact Form with HDMI 2.0 Input
  • Supports up to UHD 4K30, 1080P60
  • PoE, Sony L-Series & DC Power Options
  • 15W DC Output to Power Monitor or Camera

The BirdDog Flex 4K BACKPACK HDMI Encoder is an ultracompact NDI interface for HDMI video sources. Connect your onboard monitor, camera, or other video source, and have it available instantly on your NDI-enabled network. The BirdDog BACKPACK supports up to UHD 4K30 and 1080p60 resolution video.

The versatile BACKPACK can be powered using a Sony L-Series-type battery, PoE, or a separately available 12V power supply. A 15W DC output port enables you to power select monitors and cameras from your BACKPACK power source. Tally information is displayed for both the talent and the operator and passed through to compatible equipment. Connect a separately available cable to the 2.5mm RS232 port for pass-through control of non-NDI PTZ cameras. Additional features include an adaptive bitrate, a cooling thermal design, a 3.5mm audio input, and a 3.5mm headphone output.

Upgrade Your Monitor

Use the BACKPACK to encode NDI, power your monitor, and record simultaneously

Ultracompact Form

The BACKPACK is slightly larger than a credit card and weighs just over five ounces

Stay-Cool Design

A thermal design and quiet fans keep the BACKPACK cool even on the hottest days

Single Cable Plus DC Power

A single Ethernet port funnels NDI, Power, Video, Audio, Tally, and Audio Intercom while a DC output enables you to power select monitors and cameras

Tally Support

A built-in tally display is available for viewing by both your talent and camera operator

Flexible Power Options

Power the BACKPACK from the built-in Sony L-Series-type battery plate, using PoE, or via the DC input

PTZ Sidekick

Connect a PTZ control cable for PTZ pass-through control for your non-NDI PTZ camera

Adaptive Bit Rate

Select the bitrate that best fits your 4K or HD production

Software Tools

The BACKPACK includes free BirdDog Central Lite, Dashboard, and Comms Lite software


Video Input Connectors 1 x HDMI (HDMI 2.0)
Input 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 Input Connectors 1 x 1/8" / 3.5 mm TRS
Embedded Audio Input HDMI: 2-Channel
Audio Output Connectors 1 x 1/8" / 3.5 mm TRS
Embedded Audio Output HDMI: 2-Channel
Other I/O 1 x RJ45 NDI, PoE
1 x 2.5 mm RS-232
Expansion Slots None
IP Streaming
Video IP Encoding NDI: x
Tally Light Yes
Wi-Fi Support Yes
Battery Support 1 x Sony L-Series / NP-F Type
Power Connector 1 x Barrel (12 VDC) Input
1 x Barrel (12 VDC) Output
PoE Support PoH 802.3at
Dimensions 4.21 x 2.48 x 1.67" / 107 x 63 x 42.5 mm
Weight 5.29 oz / 150 g
Warranty Length Limited 1-Year Warranty
Packaging Info
Package Weight 1.445 lb
Box Dimensions (LxWxH) 7.1 x 6.3 x 4.3"

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