Product Highlights
  • 229 m (750') Range
  • 14 Channels
  • Bolt 4K 750 / Bolt 4K 1500 Compatibility
  • 12G-SDI / HDMI 2.0 Connection
  • 5.19 - 5.67 GHz Frequency
  • 20 W Power
  • 358 g (13 oz) Weight
  • 13 x 9 x 3 cm (5 x 3.5 x 1") Dimensions
  • V-Mount Mount Type
Teradek Bolt 4K 750 12G-SDI/HDMI Wireless TX (V-Mount) Teradek Bolt 4K 750 12G-SDI/HDMI Wirel...
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Bolt 4K 750 Tx

Bolt 4K is a revolution in wireless video featuring the best reliability and image quality in the industry. 

Key Features:

  • Includes: 1 TX
  • Video: Up to 4K60FPS
  • Range: 750 ft.
  • Inputs: 12G-SDI, HDMI 2.0
  • Outputs: 12G-SDI loopout
  • Multicast: Up to 6 RXs
  • Compatibility: Bolt 4K 750, Bolt 4K 1500

Real-Time 4K Wireless Video

Transmit uncompressed video in 1080p and 2160p at 60FPS with less than 1ms of delay. Up to 750 ft. of range.

True HDR Colour

Bolt 4K is compliant with the HLG, PQ, and HDR-10 standards, making it an invaluable tool on set for HDR workflows.

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

Each transmitter can send video to up to 6 receivers. Compatible with any model in the Bolt 4K line.


  • 1x 12G-SDI, 1x HDMI 2.0,
  • 1x 12G-SDI loopout

Battery Plates

Optional Gold or V-Mount battery plate with pass-through power available. 

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.

What's Included

Bolt 750 12G-SDI/HDMI Wireless TX V-Mount
2x Bolt 4K Wire Cover Plate (Machined Anodized)
4x Screw FlatHead Phillips Black Oxide 18-8 S S 0-80 x 1/8in
2-pin Conn. to PowerTap - 18in Cable
USB Male Type A (Full) - USB Male Type B (Micro) -3ft Cable
Ultra Thin HDMI Male Type A (Full) - HDMI Male Type A (Full) 18in Cable
SDI 12G BNC to BNC Cable Length: 18in / 46cm
PSU 2pin Conn. to 30W AC Adapter (Int) - 6ft Cable
4x Antenna 2dBi WIFI 2.4/5.8GHz (Small Antenna)
Teradek Standard Terms and Conditions
Insert - Product Register
Quickstart Guide - Bolt 4K 750/1500
Insert - Bolt 4K A/C Adapter Requirements


Product Specifications

Bolt 4K 750 Tx (V-Mount)


Video Inputs
  • 12G-SDI SMPTE 2082-1 standard / 75 Ω (accepts 12G-SDI, 6G-SDI, or 3G-SDI)
  • HDMI Type-A receptacle accepts HDMI 2.0 or HDMI 1.4)
Video Outputs
  • Loopout 12G-SDI SMPTE 2082-1 standard / 75 Ω
SDI Ancillary Data Support
  • Supports transmitting metadata, timecode, and start/stop flags from most camera manufacturers
Colour Sampling
  • SDI: YCbCr 4:2:2, 10-bit/ HDMI: RGB 4:4:4, 8-bit
Input Cross Conversion
  • Yes, HDMI to SDI
Delay Tx to Rx
  • <0.001 sec

Supported Resolutions

Supported Resolutions
  • 4Kp23.98/24/25/29.97/30/50/59.94/60
  • 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 Processing

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
Colour Correction None

Audio Processing

Audio Format 48 kHz 24-bit PCM


Audio Output Embedded SDI/HDMI Audio Output (2 Channel)

Physical Specifications

Weight 358 g (12.6 oz)
Dimensions 13.2 x 9.1 x 2.7 cm (5.1 x 3.5 x 1")
Material Construction Milled Aluminum (Chassis) and regulation-compliant PCB
  • Integrated V-Mount Male and Female (with passthrough power)
  • Multiple mounting options with 3/8" & M3 holes


Configuration Interface OSD with menu, Joystick Navigation
Switches On/Off Switch
USB Interface Functionality Upgrade via Micro-USB


  • 4 External 2dBi RP-SMA 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 40 MHz Wide channels
RF Channel Selection
  • Auto, Manual
  • Manual available for non-DFS Channels
  • AES-256, RSA-1024 key exchange
RF Power
  • 19 dBm EIRP (4 external 2dBi antenna) (<80mW transmit power)
  • Up to 750' line of sight
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
Battery V-Mount
Nominal Power Consumption 20 W


Operating Temperature 0-40° C

Questions & Answers

Teradek Bolt 4K 750 12G-SDI/HDMI Wireless TX (V-Mount)

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