Selectrogear logoSelectrogear
Compare

Compare complete kits

Choose a job and tier to see the full shopping list across required gear categories.

recommendedCA

The 1st AC's Guide to Zero-Delay Wireless Video (2026)

If you buy a $500 wireless video transmitter on Amazon, it will proudly advertise 'Low Latency.' It will transmit a beautiful 1080p image to your director's monitor from 300 feet away. But 'Low Latency' is a lie. Those cheap systems compress the video, send it over standard 5GHz Wi-Fi, and decompress it on the other end. This process takes roughly 80 milliseconds. For a director watching the performance, 80 milliseconds is fine. But for a 1st AC (First Assistant Camera) pulling focus, 80 milliseconds is a career-ending disaster. If an actor is running toward the camera at f/1.4, and the 1st AC is watching a monitor that is 80 milliseconds behind reality, the actor will be permanently out of focus. The 1st AC is constantly reacting to the past. To solve this, Hollywood uses Teradek. The Teradek Bolt 6 XT does not compress the video using standard Wi-Fi. It blasts a massive, uncompressed, zero-delay (< 0.001 seconds) signal across the 6GHz spectrum. When the actor moves in reality, they move on the monitor instantly. This guide explains the critical physics of zero-delay transmission.

Kit table

recommended tier at a glance

Compare the core pick, learning curve, confidence signal, and current retailer path before opening the detailed cards.

Gear itemPickWhy it fitsLearning curveConfidencePrice/store

The Focus Saver: Teradek Bolt 6 XT 750

required

Teradek Bolt 6 XT 750 Wireless Video Transmitter/Receiver Set

Teradek

It is completely backward compatible with the massive ecosystem of Bolt 4K receivers. If the rental house gives you a Bolt 6 transmitter, you can still beam the signal to the older Bolt 4K monitors the director is holding (they will just operate on the 5GHz band).High. Pairing a transmitter to a receiver is easy. But understanding the Teradek app, manually selecting 6GHz channels to avoid local radar interference (DFS channels), and troubleshooting SDI handshakes requires massive experience.Verify details

Retailer details may change. Confirm price, stock, and product version before buying.

CA$8,956

Best Buy Canada

The Focus Saver: Teradek Bolt 6 XT 750

recommended88/100Good fit

Teradek Bolt 6 XT 750 Wireless Video Transmitter/Receiver Set

Teradek

Teradek

A professional, zero-delay wireless video transmission system operating on the newly opened 6GHz spectrum, allowing focus pullers and directors to monitor 4K HDR video up to 750 feet away without interference.

Why this pick: It is completely backward compatible with the massive ecosystem of Bolt 4K receivers. If the rental house gives you a Bolt 6 transmitter, you can still beam the signal to the older Bolt 4K monitors the director is holding (they will just operate on the 5GHz band).

Pros

  • + It features true 'Zero Delay.' When the camera operator moves the camera, the director's monitor updates instantaneously, which is an absolute requirement for pulling focus
  • + It operates on the newly unlocked 6GHz Wi-Fi spectrum, completely bypassing the massive, chaotic traffic jam of cell phones and routers on the traditional 5GHz band
  • + The XT model features cross-conversion. You can input an SDI signal from an ARRI camera into the transmitter, and output an HDMI signal from the receiver to a cheap client monitor

Risks

  • - It is violently expensive. A single transmitter and receiver pair costs more than many professional cinema cameras
  • - It runs incredibly hot and draws a massive amount of power; you must power it via a large V-mount battery or D-Tap connection
  • - It draws a massive amount of power. If you try to power a Teradek Bolt 6 XT off a tiny mirrorless camera battery using a dummy adapter, the Teradek will drain the battery in 15 minutes. It requires a dedicated D-Tap power source from a V-Mount battery.

Best Buy Canada

CA$8,956

Verify details

Retailer details may change. Confirm price, stock, and product version before buying.

Best Buy link: Selectrogear may earn a commission when you buy through this retailer link. Last checked: 1 day ago.

View offer
Save as checklistRead full guide