---
title: "requestRemoteMTU(_:)"
framework: IOBluetooth
role: symbol
role_heading: Instance Method
path: "iobluetooth/iobluetoothl2capchannel/requestremotemtu(_:)"
---

# requestRemoteMTU(_:)

Initiates the process to reconfigure the L2CAP channel with a new outgoing MTU.

## Declaration

```swift
func requestRemoteMTU(_ remoteMTU: BluetoothL2CAPMTU) -> IOReturn
```

## Parameters

- `remoteMTU`: The desired outgoing MTU.

## Return Value

Return Value Returns kIOReturnSuccess if the channel re-configure process was successfully initiated.

## Discussion

Discussion Currently, this API does not give an indication that the re-config process has completed. In the future additional API will be available to provide that information both synchronously and asynchronously.