---
title: IOBluetoothHandsFreeIndicatorSignal
framework: IOBluetooth
role: symbol
role_heading: Global Variable
path: iobluetooth/iobluetoothhandsfreeindicatorsignal
---

# IOBluetoothHandsFreeIndicatorSignal

The command string you use to show a signal strength indicator on a phone.

## Declaration

```swift
let IOBluetoothHandsFreeIndicatorSignal: String
```

## Discussion

Discussion The value of the signal strength indicator is an integer from 0-5, where 0 indicates a very weak signal and 5 indicates a very strong signal.

## See Also

### Phone Network Connection

- [IOBluetoothHandsFreeIndicatorRoam](iobluetooth/iobluetoothhandsfreeindicatorroam.md)
- [IOBluetoothHandsFreeIndicatorService](iobluetooth/iobluetoothhandsfreeindicatorservice.md)