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Teradek Bolt 4K: 4K HDR video transmission with zero latency

Teradek Bolt 4K introduces a whole new category of wireless video systems, more reliable, with more range, superior image quality and controllable from a smartphone app.

Teradek Bolt 4K: 4K HDR video transmission with zero latency

Able to delivering uncompressed 2160p60 HDR video transmission with zero delay, the new revolutionary solution from Teradek is on show at NAB 2019. Meet Bolt 4K for wireless video.

Bolt 4K is the first 4K HDR wireless video system providing uncompressed, zero-latency (<1ms) transmission, says Teradek, announcing the new product that will be available next Summer. Unique to Bolt 4K is interoperability, allowing any model range to transmit and receive from the other (i.e. a Bolt 4K 750 is compatible with a Bolt 4K 1500).

The revolutionary Bolt 4K system defines, says the company, “a whole new category of wireless video systems. The groundbreaking technology, found exclusively inside Bolt 4K, offers 8x the reliability of previous HD models, 1.5x more range, and superior image quality.”

Teradek Bolt 4K: 4K HDR video transmission with zero latency

Protection against prying eyes

Bolt 4K transmits 10-bit, 4:2:2 HDR video at a range of up to 1,500 feet line-of-sight over the unlicensed 5GHz band, and can multicast to 6 receivers simultaneously. For HDR workflows, Bolt 4K supports the HDR-10, PQ, and HLG standards and can transport extended camera metadata, timecode, and record triggers over the wireless link.

Like Teradek’s existing Bolt devices, Bolt 4K offers the industry’s best protection against prying eyes with AES-256 encryption and RSA 1024 key pairing. Combined, these two technologies ensure nobody can decrypt your wireless feed or connect another receiver to your system without explicit authorization.

Teradek Bolt 4K: 4K HDR video transmission with zero latency

A smartphone app to control Bolt 4K

To further simplify the use of wireless video on set, Teradek launched a free iOS application to manage and monitor every parameter of Bolt 4K in real-time, from the convenience of a smartphone. Simply connect to Bolt 4K via Bluetooth to manage transmitter/receiver pairing, wireless channel selection, and the application of 3D LUTs. The app also offers a real-time quality and range analyzer to determine the best transmission distance for a given area as well as the popular 5GHz spectrum analyzer to detect congestion on specific channels.

Bolt 4K will begin shipping June 2019 for $3,990 (Bolt 4K 750) and $7,990 (Bolt 4k 1500).


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Journalist, writer and photographer since 1979, both print and online, with a vast experience in the fields of photography, software, hardware, web, aviation, History, video games, technology, having published content in almost all Portuguese newspapers…

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