scan
Description:
[ Version ( since = "1.0" ) ]
public async List<Modem3gppNetwork> scan (Cancellable? cancellable) throws Error
  public async List<Modem3gppNetwork> scan (Cancellable? cancellable) throws Error
Asynchronously requests to scan available 3GPP networks.
When the operation is finished, callback will be invoked in the thread-default main loop of the thread you are calling this
      method from. You can then call scan.end to get the result of the operation.
See scan_sync for the synchronous, blocking version of this method.
Parameters:
| this | A Modem3gpp. | 
| cancellable | A Cancellable or  | 
| callback | A TaskReadyCallback to call when the request is satisfied or  | 
| user_data | User data to pass to  |