Spectrum and channels
These clauses keep control traffic off channels radar can take away, put the channel plan and its automatic changes under the owner's control, and confirm 6 GHz rules and client support before the design depends on that band.
Channels are the one lever that separates airtime by design. These clauses keep control traffic off DFS channels, fix the channel and power plan in writing, keep automatic changes out of production, and check the 6 GHz device class and the vehicle's radio before anyone plans on that band.
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4.1 No DFS channels for control traffic shall
Radios that carry control traffic shall not use channels subject to dynamic frequency selection (DFS), which under US rules are those in 5.25 to 5.35 GHz and 5.47 to 5.725 GHz, or the equivalent channels under the rules for [Country or regulatory domain].1
4.2 A written channel and power plan shall
The wireless system shall follow a written channel and power plan that assigns each radio its channel, width, and transmit power, and names the channels reserved for control traffic. Reserved channels shall carry no other application, and control radios shall use [Channel width for control radios] MHz channels unless a measured need justifies wider.
4.3 Automatic channel and power changes under control shall
Automatic channel and power changes shall be disabled on radios that serve control traffic, or limited to scheduled windows outside production that the owner approves. Every channel and power change shall be logged with time, radio, old and new value, and reason.
4.4 6 GHz device class confirmed for each location shall
Before control traffic is planned on 6 GHz, the vendor shall state the 6 GHz device class each access point and client is certified for, low power indoor, standard power, or very low power, and confirm that the class is permitted where the device will operate, whether indoors, outdoors, or on a vehicle, under the rules for [Country or regulatory domain]. Each standard power access point shall have a monitored path to its AFC system.2
4.5 6 GHz client support in writing shall
Control traffic shall be planned on 6 GHz only for vehicles whose maker confirms in writing that the vehicle's radio supports 6 GHz in the country of use, and which fast transition method it uses there, FT with SAE or FT with 802.1X. Access points in 6 GHz shall use preferred scanning channels and send neighbor reports.3
4.6 A spectrum management plan shall
The wireless system shall be operated under a spectrum management plan that lists every wireless network and emitter on site, including cameras, instrument networks, vehicle head units, Bluetooth devices, and personal hotspots, with owner, band, and channels, and that forbids unapproved access points in production areas.
About this page
Built from 10 sources: 1 standards body or lab, 2 regulators and government sources, 1 protocol owner or alliance and 6 vendor documents. Researched and drafted with AI assistance, then reviewed and approved by Ben Rutter on . How pages are made
- First published
- Last updated
Change history (1)
- First published
Cite this page
Plain
Ben Rutter. "Spectrum and channels." OT Wireless, published October 6, 2026, updated October 5, 2026. https://otwireless.com/clauses/spectrum-and-channels/
APA 7
Rutter, B. (2026, October 6). Spectrum and channels. OT Wireless. https://otwireless.com/clauses/spectrum-and-channels/
BibTeX
@misc{rutter2026spectrumandchannels,
author = {Rutter, Ben},
title = {{Spectrum and channels}},
year = {2026},
howpublished = {\url{https://otwireless.com/clauses/spectrum-and-channels/}},
organization = {OT Wireless},
}