The Bolt 4K LT 3G-SDI TX is a real time wireless video transmitter that supports video signals up to 4Kp30 via HDMI at a line-of-sight distance of up to 1500ft (457m) with no image delay. Key features include increased range, faster reconnection times, easier setup with Bluetooth App for iOS or Android, and more stable connectivity. These devices are cross-compatible with the entire Bolt 4K Family. 

Zero-Delay 4K Wireless Video
Transmit images up to 4Kp30 via HDMI at a line-of-sight distance of up to 1500ft (457m) with no image delay (>0.001sec).

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

True HDR
Supports Rec 2020 HDR in 10-bit 4:2:2 color gamut. Send Log-enabled camera signals with wide dynamic range in order to monitor and achieve balanced highlight and lowlight regions with accurate color reproduction.

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.

Send Signal up to 6 Receivers
Link up to 6 RX receivers to any 1 TX transmitter to enable multiple points of viewing.

Lightweight Body with Versatile Mounting
TX Mounting: M3 / ¼”-20 

Universal Cross-Compatibility between all Bolt 4K Devices
Send signal to any Bolt 4K series RX device for expanding workflow requirements.

Camera Metadata
Transmit metadata, timecode, and start/stop flags from most camera manufacturers. 

Bolt App for Android and Apple iOS
Remotely pair any TX/RX devices, manually designate specific 5GHz channels, and monitor interference with the 5GHz Spectrum Analyzer and Wireless Health analysis tools.

Specifications

• Video 
  Video Inputs
  3G-SDI SMPTE 424M standard / 75 Ω (BNC x 1)
  1 x HDMI 1.4b Type-A receptacle
  Video Outputs
  3G-SDI SMPTE 424M standard / 75 Ω (BNC x 1)
  Sdi Ancillary Data Support
  Supports reading 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
• Supported Resolutions 
  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 Processing 
  Video Compression
  Visually Lossless
  Color Correction
  None
• Audio Processing 
  Audio Format
  48kHz 24-bit PCM
• Inputs 
  Audio Input
  Embedded SDI/HDMI Audio Input (2 Channel)
• Physical 
  Dimensions
  60mm x 103mm x 33mm
  Weight
  206g (7.3oz)
  Construction
  Milled Aluminum(Chassis) and regulation-compliant PCB
  Mountability
  Multiple mounting options with 1/4"x20 and M3 holes
• Interfaces 
  Configuration Interfaces
  OSD with Menu, Joystick Navigation
  Switches
  On/Off Switch
  Mobile App
  Bolt App
  Desktop App
  Bolt Manager application for OSX & Windows
  Usb Interface Functionality
  Upgrade via Micro-USB
  External Control
  Via Bolt App
  Bluetooth
  2.4 GHz
• Network 
  Antennas
  2 External 2dBi antennas (included)
  Wireless
  Non-DFS Frequencies:
  5.190 ~ 5.230 GHz and 5.755 ~ 5.795 GHz
  DFS Frequencies:
  5.270 ~ 5.670 GHz
  Number Of20 Mhz Channels
  25 (region dependent)
  Number Of40 Mhz Channels
  13 (region dependent)
  Channel Bandwidth
  20MHz, 40MHz
  Rf Channel Selection
  Auto, Manual
  Encryption
  AES-256, RSA-1024 key exchange
  Rf Power
  19 dbm EIRP (2 external 2dBi antennas) (<80mW transmit power)
  Rf Sensitivity
  2 External 2dBi antennas (included)
  Range
  Up to 750 ft, 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 
  Power Input
  2-Pin Circular locking Connector 6-28 VDC
  Battery
  None, optional Sony/Canon dual battery plate
  Nominal Power Consumption
  9 Watts
• Environmental 
  Operating Temperature
  0-40℃

Shipping & Delivery

We aim to deliver your order quickly and safely across India.

• Orders are usually processed within 24–48 hours (excluding Sundays & holidays)
• Once shipped, delivery typically takes 2–7 business days, depending on your location
• You will receive a tracking link via SMS/email once your order is dispatched
  

Shipping Charges

• Shipping charges (if applicable) will be displayed at checkout
• Free shipping may be available on select products or order values
  

Order Tracking

• Track your order anytime using the link shared after dispatch
• For any assistance, feel free to contact our support team
  

Important Notes

• Delivery timelines may vary due to courier delays, weather, or unforeseen circumstances
• Ensure your address and contact details are accurate to avoid delays
• We currently ship only within India

Easy 7-Day Support

We offer 7-day support from the date of delivery in case of:

• Damaged product on arrival
• Manufacturing defects
• Incorrect item received
  

Conditions for Return/Replacement

To be eligible:

• Product must be unused and in original condition
• Must include original packaging, accessories, and invoice
• Issue must be reported within 7 days of delivery
  

Non-Returnable Items

• Used or physically damaged products
• Products without original packaging
• Items damaged due to misuse
  

How to Request

• Contact us via email or phone with your order ID and issue details
• Share images/videos if required for faster resolution
• Our team will guide you through the next steps
  

Refunds (if applicable)

• Refunds are processed after product inspection
• Amount will be credited to the original payment method within 5–7 business days