Compatibility of Teradek Bolt wireless video transmission with Heden Carat Bluetooth focus control systems

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2014Video Assist and Video Accessories forum

12 years old. Gear and prices may have changed since.

Teradek Bolt operates in the 5.8 GHz range while Bluetooth-based focus systems operate in the 2.4 GHz band, which are theoretically separate frequency ranges.
Interference can occur between 2.4 GHz and 5.8 GHz devices because the frequency bands have a tendency to bleed into one another due to antenna receptivity overlap.
Positioning the Bolt transmitter and Heden receiver far apart on the camera reduces the risk of the Heden overpowering the Bolt signal.
Other wireless interference sources such as WiFi routers operating on either 2.4 GHz or 5.8 GHz can cause Bolt signal dropout independent of Bluetooth focus systems.
An operational production successfully ran two Heden HLC focus systems paired with two Bolt transmitters alongside two wireless follow focus remotes without reported wireless dropout issues over 2500 hours of operation.
Bluetooth-based focus systems have limited range compared to other wireless follow focus technologies, typically effective within 60 meters.

The reported successful pairing used predecessor Heden HLC model rather than the newer Carat model, though they are stated to have very little difference.
The technical analysis of frequency band overlap is based on general RF principles but specific interference testing between these exact devices was not documented in the thread.
The successful deployment involved specific setup conditions not fully detailed, so results may not apply to all environments.
Interference from other WiFi and wireless devices in the environment appears to be the primary issue rather than Bolt-Bluetooth incompatibility itself.