The WLAN module provides basic wireless local area network (WLAN) functions, peer-to-peer (P2P) functions, and WLAN message notification services. It allows applications to communicate with other devices over WLAN.
The **WLAN** module provides basic wireless local area network (WLAN) functions, peer-to-peer (P2P) functions, and WLAN message notification services. It allows applications to communicate with other devices over WLAN.
> **NOTE**<br>
> The initial APIs of this module are supported since API version 6. Newly added APIs will be marked with a superscript to indicate their earliest API version.
| config | [WifiDeviceConfig](#wifideviceconfig) | Yes| WLAN configuration to remove.|
| callback | AsyncCallback<void> | Yes| Callback invoked to return the result. If the operation is successful, **err** is **0** and **data** is **true**. If the operation fails, **data** is **false**. If **err** is not **0**, an error has occurred.|
| networkId | number | Yes| ID of the network configuration to remove.|
| callback | AsyncCallback<void> | Yes| Callback invoked to return the result. If the operation is successful, the value of **err** is **0**. If **err** is not **0**, an error has occurred.|
## wifi.getCandidateConfigs<sup>9+</sup>
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disconnect(): boolean
Connects to the specified network.
Disconnects from the specified network.
This is a system API.
**Required permissions**:
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> The initial APIs of this module are supported since API version 8. Newly added APIs will be marked with a superscript to indicate their earliest API version.
The APIs described in this document are used only for non-universal products, such as routers.
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**Parameters**
| Name| Type| Mandatory| Description|
| -------- | -------- | -------- | -------- |
| callback | AsyncCallback<[PowerModel](#powermodel)> | Yes| Callback invoked to return the result. If the operation is successful, **err** is **0** and **data** is the power mode obtained. If **err** is not **0**, an error has occurred.|
| callback | AsyncCallback<[PowerModel](#powermodel)> | Yes| Callback invoked to return the result. If the operation is successful, **err** is **0** and **data** is the power model obtained. If **err** is not **0**, an error has occurred.|
The Distributed Data Management subsystem can persistently store various structured data of a single device and also supports data synchronization and sharing across devices. In this regard, you can seamlessly integrate distributed application data among different devices, ensuring consistent user experience in the same application across these devices.
- Local data management
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This service can synchronize data across devices, so that users can access consistent data on different devices. DDS isolates data based on a triplet of the account, app, and database. DDS synchronizes data between trusted devices to provide the cross-device data access capability.