---
title: SignalBars
framework: metrickit
role: symbol
role_heading: Class
path: metrickit/signalbars
---

# SignalBars

A unit for cellular signal strength measurements in bars.

## Declaration

```swift
@objc final class SignalBars
```

## Mentioned in

Analyzing app performance with MetricKit

## Discussion

Discussion This is used as the dimension type in histogram, which has type Histogram<SignalBars>. The base unit symbol is "bars". This type replaces MXUnitSignalBars.

## Topics

### Initializers

- [init(coder:)](metrickit/signalbars/init(coder:).md)
- [init(symbol:converter:)](metrickit/signalbars/init(symbol:converter:).md)

### Type Methods

- [baseUnit()](metrickit/signalbars/baseunit().md)

## Relationships

### Inherits From

- [Dimension](foundation/dimension.md)

### Conforms To

- [CVarArg](swift/cvararg.md)
- [CustomDebugStringConvertible](swift/customdebugstringconvertible.md)
- [CustomStringConvertible](swift/customstringconvertible.md)
- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [NSCoding](foundation/nscoding.md)
- [NSCopying](foundation/nscopying.md)
- [NSObjectProtocol](objectivec/nsobjectprotocol.md)
- [NSSecureCoding](foundation/nssecurecoding.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Supporting types

- [Histogram](metrickit/histogram.md)
- [AverageStatistics](metrickit/averagestatistics.md)
- [OSVersion](metrickit/osversion.md)