---
title: signalStrength
framework: wifiaware
role: symbol
role_heading: Instance Property
path: wifiaware/waperformancereport/signalstrength
---

# signalStrength

The current signal strength of the remote device.

## Declaration

```swift
let signalStrength: Double?
```

## Discussion

Discussion The resulting value can be  between 0.0 (weakest) and 1.0 (strongest), or it can be nil if the system can’t measure the value.