Teradek Bolt 4K LT MAX – TX Transmitter

£4,250.00 Ex. VAT £5,100.00 Inc. Vat

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Warranty: 1-Year Manufacturer Warranty
SKU: TK-TER-10-2221 Categories: , , Tag:

The Bolt 4K LT MAX TX is a real-time wireless video transmitter that supports video signals up to 4Kp30 via HDMI, and 1080p60 via SDI, at a distance of up to 5000+ ft line-of-sight, with less than 1ms of delay. Key features include increased range with faster reconnection times, easier setup with Bluetooth App for iOS or Android, and unlimited receivers using broadcast mode. These devices are cross-compatible with the entire Bolt 4K Family. 


Real-Time 4K Wireless Video
Transmit uncompressed video in 1080p and 2160p at 60FPS with less than 1ms of delay. Up to and beyond 5000 feet of range.

True HDR Color
Supports 10-Bit 4:2:2 

Improved Wireless Performance
Reliable signal transmission over 13x 40MHz frequencies, with upgraded hardware and less image break-up than previous Bolt generations. Faster reconnection times, automatic signal quality switching, and a more robust frequency hopping algorithm. An additional 5GHz radio frequency link is available for high-traffic locations with excessive interference from other wireless devices.

Rock-Solid Reliability
Bolt 4K features 8x the wireless performance of previous Bolt generations, ensuring video is delivered in even the toughest of RF environments.

Universal Compatibility
Send signal to any Bolt 4K series RX device for expanding workflow requirements.

Broadcast Mode
Supports Broadcast Mode which means you can connect unlimited receivers simultaneously. Broadcast mode also can increase your wireless video range to 5000 feet and beyond with the next-generation Array 4K Panel Antenna.

Input: 1x HDMI 2.0 (up to 4Kp30), 1x 3G-SDI (up to 1080p60)
Output: 1x 3G-SDI (up to 1080p60)

Camera Metadata
Send start / stop flags, timecode, and other ancillary data over the wireless link. On the receiver side, upload and apply custom 3D LUTs to monitor each take with the look you’re after.

Bolt App for iOS
Remotely pair units, configure settings, and utilize all of Bolt 4K’s features from any iOS smartphone or tablet. The Bolt App uses Bolt 4K’s integrated Bluetooth to give you all of its settings in the palm
of your hand. *LUT/Color processing is not available through the Bolt App

Additional information






Video Inputs

  • 3G-SDI SMPTE 424M standard/75 Ω (BNC x 1),
  • 1x HDMI 1.4b Type-A receptacle

Video Outputs

  • 3G-SDI SMPTE 424M standard/75 Ω (BNC x 1)

Sdi Ancillary Data Support

  • Supports transmitting metadata, timecode, and start/stop flags from most camera manufacturers.

Color Sampling

  • SDI: YCbCr 4:2:2, 10-bit/ HDMI: RGB 4:4:4, 8-bit

Delay Tx To Rx

  • <0.001sec

Input Cross Conversion

  • Yes, HDMI to SDI (4Kp30 HDMI input is scaled and looped out as 1080p30 on SDI loopout)

Supported Resolutions

  • 4Kp23.98/24/25/29.97/30(HDMI only)
  • 1080p23.98/24/25/29.97/30/50/59.94/60
  • 1080psf23.98/24/25/29.97/30
  • 1080i50/59.94/60
  • 720p50/59.94/60
  • 480p50 576p59.94/60
  • 480i(NTSC)/576i(PAL)

Video Compression

  • Visually Lossless

Video Format Conversion Support

  • Connect an HD source to the Tx and get a 4K signal out of Rx
  • Connect a 4K source to the Tx, get HD resolution out of Rx
  • You can also mix & match from a single source:
  • 4K signal into Tx can be 4K output from 1x Rx and HD output from a 2nd Rx
  • Input/output configurations are controlled directly on units or via Bolt 4K app

Color Correction

  • None

Audio Format

  • 48kHz 24-bit PCM

Audio Input

  • Embedded SDI/HDMI Audio Input (2 Channel)

Audio Output

  • NA


  • 2.4” x 4.1” x 1.3” (60 x 103 x 33mm)


  • 7.3oz (206g)


  • Milled Aluminum(Chassis) and regulation-compliant PCB


  • Multiple mounting options with 1/4″x20 and M3 holes

Configuration Interfaces

  • OSD with Menu, Joystick Navigation


  • On/Off Switch

Mobile App

  • Bolt App

Desktop App

  • Bolt Manager application for OSX & Windows

Usb Interface Functionality

  • Upgrade via Micro-USB


  • 2.4 GHz


  • 2x External 2dBi antennas (included)


  • Non-DFS Frequencies:
  • 5.190 ~ 5.230 GHz and 5.755 ~ 5.795 GHz
  • DFS Frequencies:
  • 5.270 ~ 5.670 GHz

Channel Bandwidth

  • 13x 40MHz wide channels

Rf Channel Selection

  • Auto, Manual
  • Manual available for non-DFS Channels


  • AES-256, RSA-1024 key exchange

Rf Power

  • 19 dbm EIRP (2x external 2dBi antennas; <80mW transmit power


  • Up to 3000 ft line of sight (5000 ft with optional Bolt 4K Array Antenna)

Unicast Multicast

  • Can connect one Transmitter to up to 6 Receivers

Noise Rejection

  • Can coexist with WiFi and 5GHz cordless phones
  • Can operate up to 6 sets in same location

Power Input

  • 2-Pin Circular locking Connector 6-28 VDC


  • None, optional Gold or V mount battery plate

Nominal Power Consumption

  • 9 Watts

Operating Temperature

  • 0-40℃


  • Video: up to 4Kp30
  • Range: 3000ft (Standard Mode) up to 5000 ft. (Broadcast Mode)
  • Input: 1x HDMI 2.0 (up to 4Kp30), 1x 3G-SDI (up to 1080p60)
  • Output: 1x 3G-SDI (up to 1080p60)
  • Compatibility: Bolt 4K Family

What's Included

  • 1x 1x Bolt 4K LT MAX TX
  • 1x Universal Ultra Arm Mini (1/4-20 & 3/8-16)
  • 1x 18 Inch 2-pin Lemo to P-Tap Cable
  • 1x 3 Foot USB Male Type A to USB Male Type B Cable
  • 1x 18 Inch Ultra Thin HDMI Male Type A to HDMI Male Type A Cable
  • 1x 10 Inch SDI BNC to SDI BNC Cable
  • 1x 6 Foot 2-pin Lemo to 18W AC Adapter (International)
  • 1x Antenna 2dBi V4.9-7.3GHz RP-SMA
  • 1x Antenna 2dBi H Mushroom V4.9-7.3Ghz RP-SMA
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Teradek Bolt 4K LT MAX - TX Transmitter

£4,250.00 Ex. VAT £5,100.00 Inc. Vat

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