---
title: BluetoothL2CAP constants
framework: IOBluetooth
role: collectionGroup
role_heading: API Collection
path: iobluetooth/bluetoothl2cap-constants-5jo8y
---

# BluetoothL2CAP constants

## Topics

### Constants

- [kBluetoothL2CAPFlushTimeoutDefault](iobluetooth/kbluetoothl2capflushtimeoutdefault.md)
- [kBluetoothL2CAPMTUDefault](iobluetooth/kbluetoothl2capmtudefault.md)
- [kBluetoothL2CAPMTULowEnergyDefault](iobluetooth/kbluetoothl2capmtulowenergydefault.md)
- [kBluetoothL2CAPMTUMaximum](iobluetooth/kbluetoothl2capmtumaximum.md)
- [kBluetoothL2CAPMTUMinimum](iobluetooth/kbluetoothl2capmtuminimum.md)
- [kBluetoothL2CAPMTUSIG](iobluetooth/kbluetoothl2capmtusig.md)
- [kBluetoothL2CAPMTUStart](iobluetooth/kbluetoothl2capmtustart.md)
- [kBluetoothL2CAPQoSDelayVariationDefault](iobluetooth/kbluetoothl2capqosdelayvariationdefault.md)
- [kBluetoothL2CAPQoSFlagsDefault](iobluetooth/kbluetoothl2capqosflagsdefault.md)
- [kBluetoothL2CAPQoSLatencyDefault](iobluetooth/kbluetoothl2capqoslatencydefault.md)
- [kBluetoothL2CAPQoSPeakBandwidthDefault](iobluetooth/kbluetoothl2capqospeakbandwidthdefault.md)
- [kBluetoothL2CAPQoSTokenBucketSizeDefault](iobluetooth/kbluetoothl2capqostokenbucketsizedefault.md)
- [kBluetoothL2CAPQoSTokenRateDefault](iobluetooth/kbluetoothl2capqostokenratedefault.md)
- [kBluetoothL2CAPQoSTypeDefault](iobluetooth/kbluetoothl2capqostypedefault.md)
- [kBluetoothL2CAPMTULowEnergyMax](iobluetooth/kbluetoothl2capmtulowenergymax.md)

## See Also

### Enumerations

- [BluetoothAMPCommandRejectReason](iobluetooth/bluetoothampcommandrejectreason.md)
- [BluetoothAMPCreatePhysicalLinkResponseStatus](iobluetooth/bluetoothampcreatephysicallinkresponsestatus.md)
- [BluetoothAMPDisconnectPhysicalLinkResponseStatus](iobluetooth/bluetoothampdisconnectphysicallinkresponsestatus.md)
- [BluetoothAMPDiscoverResponseControllerStatus](iobluetooth/bluetoothampdiscoverresponsecontrollerstatus.md)
- [BluetoothAMPGetAssocResponseStatus](iobluetooth/bluetoothampgetassocresponsestatus.md)
- [BluetoothAMPGetInfoResponseStatus](iobluetooth/bluetoothampgetinforesponsestatus.md)
- [BluetoothAMPManagerCode](iobluetooth/bluetoothampmanagercode.md)
- [BluetoothHCIPowerState](iobluetooth/bluetoothhcipowerstate.md)
- [BluetoothL2CAPCommandCode](iobluetooth/bluetoothl2capcommandcode.md)
- [BluetoothL2CAPCommandRejectReason](iobluetooth/bluetoothl2capcommandrejectreason.md)
- [BluetoothL2CAPConfigurationOption](iobluetooth/bluetoothl2capconfigurationoption.md)
- [BluetoothL2CAPConfigurationResult](iobluetooth/bluetoothl2capconfigurationresult.md)
- [BluetoothL2CAPConfigurationRetransmissionAndFlowControlFlags](iobluetooth/bluetoothl2capconfigurationretransmissionandflowcontrolflags.md)
- [BluetoothL2CAPConnectionResult](iobluetooth/bluetoothl2capconnectionresult.md)
- [BluetoothL2CAPConnectionStatus](iobluetooth/bluetoothl2capconnectionstatus.md)