---
title: kBluetoothL2CAPConfigurationOptionExtendedWindowSize
framework: iobluetooth
role: symbol
role_heading: Global Variable
path: iobluetooth/kbluetoothl2capconfigurationoptionextendedwindowsize
---

# kBluetoothL2CAPConfigurationOptionExtendedWindowSize

## Declaration

```swift
var kBluetoothL2CAPConfigurationOptionExtendedWindowSize: BluetoothL2CAPConfigurationOption { get }
```

## See Also

### Constants

- [kBluetoothL2CAPConfigurationOptionExtendedFlowSpecification](iobluetooth/kbluetoothl2capconfigurationoptionextendedflowspecification.md)
- [kBluetoothL2CAPConfigurationOptionFlushTimeout](iobluetooth/kbluetoothl2capconfigurationoptionflushtimeout.md)
- [kBluetoothL2CAPConfigurationOptionFrameCheckSequence](iobluetooth/kbluetoothl2capconfigurationoptionframechecksequence.md)
- [kBluetoothL2CAPConfigurationOptionMTU](iobluetooth/kbluetoothl2capconfigurationoptionmtu.md)
- [kBluetoothL2CAPConfigurationOptionQoS](iobluetooth/kbluetoothl2capconfigurationoptionqos.md)
- [kBluetoothL2CAPConfigurationOptionRetransmissionAndFlowControl](iobluetooth/kbluetoothl2capconfigurationoptionretransmissionandflowcontrol.md)