Cisco Ultra-Reliable Wireless Backhaul Standalone, Software Configuration Guide, Release 26.1.x

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Cisco Ultra-Reliable Wireless Backhaul Standalone, Software Configuration Guide, Release 26.1.x

5855-5935 MHz frequency support

Updated: April 10, 2026

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Describes the Intelligent Transport Systems frequency band allocated in Europe to support ITS applications.

The Intelligent Transport Systems (ITS) frequency band is a radio spectrum allocation that

spans 5875–5935 MHz and is subdivided for specific applications
designates 5875–5915 MHz for Road ITS applications
allocates 5915–5935 MHz for Urban Rail Systems, such as automatic train control systems Communications-Based Train Control (CBTC), and
requires license approval from the relevant national regulatory authority.

Channel allocation and power table specifications

From UIW Release 17.18.1, the Cisco Catalyst IW9167E, IW9165D, and IW9165E APs support the ITS frequency band within the European regulatory domain (-E PID).

A new power table is introduced for the -E domain. This allows for various frequencies from 5860 MHz to 5930 MHz at 10 MHz intervals.

Table 1. 10 MHz channel allocation in the 5.9 GHz band
Channel width	Frequency (MHz)	Channel number
10 MHz	5860	172
10 MHz	5870	174
10 MHz	5880	176
10 MHz	5890	178
10 MHz	5900	180
10 MHz	5910	182
10 MHz	5920	184
10 MHz	5930	186

Restrictions for wireless frequency configuration

Here are some unsupported scenarios:

The 5 MHz channel width option is not supported.
Using frequencies from 5860 MHz to 5930 MHz is allowed only for customers who have obtained local regulatory approval.
5930 MHz is not supported in the IW9165E AP in 17.18.1 release.

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