<!--
{
  "availability" : [
    "macOS: 10.7.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "CoreWLAN",
  "identifier" : "/documentation/CoreWLAN/CWChannelWidth",
  "metadataVersion" : "0.1.0",
  "role" : "Enumeration",
  "symbol" : {
    "kind" : "Enumeration",
    "modules" : [
      "Core WLAN"
    ],
    "preciseIdentifier" : "c:@E@CWChannelWidth"
  },
  "title" : "CWChannelWidth"
}
-->

# CWChannelWidth

CoreWLAN channel widths.

```
enum CWChannelWidth
```

## Topics

### Constants

[`kCWChannelWidthUnknown`](/documentation/CoreWLAN/CWChannelWidth/widthUnknown)

Unknown channel width.

[`kCWChannelWidth20MHz`](/documentation/CoreWLAN/CWChannelWidth/width20MHz)

20MHz channel width.

[`kCWChannelWidth40MHz`](/documentation/CoreWLAN/CWChannelWidth/width40MHz)

40MHz channel width.

[`kCWChannelWidth80MHz`](/documentation/CoreWLAN/CWChannelWidth/width80MHz)

80MHz channel width.

[`kCWChannelWidth160MHz`](/documentation/CoreWLAN/CWChannelWidth/width160MHz)

160MHz channel width.

## Relationships

### Conforms To

[`Hashable`](/documentation/Swift/Hashable)

[`Sendable`](/documentation/Swift/Sendable)

[`Equatable`](/documentation/Swift/Equatable)

[`BitwiseCopyable`](/documentation/Swift/BitwiseCopyable)

[`SendableMetatype`](/documentation/Swift/SendableMetatype)

[`RawRepresentable`](/documentation/Swift/RawRepresentable)

---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)