Radio settings hierarchy
========================

Service		org.ofono
Interface	org.ofono.RadioSettings
Object path	[variable prefix]/{modem0,modem1,...}

Methods		dict GetProperties()

			Returns all radio access properties. See the
			properties section for available properties.

			Possible Errors: [service].Error.InvalidArguments

		void SetProperty(string name, variant value)

			Changes the value of the specified property. Only
			properties that are listed as read-write are
			changeable. On success a PropertyChanged signal
			will be emitted.

			Possible Errors: [service].Error.InvalidArguments
					 [service].Error.DoesNotExist
					 [service].Error.InProgress

Signals		PropertyChanged(string property, variant value)

			This signal indicates a changed value of the given
			property.

Properties	string TechnologyPreference [read-write]

			The current radio access selection mode, also known
			as network preference.

			The possible values are:
				"any"	Radio access technology
					selection is done automatically,
					based on reception and
					availability.
				"gsm"	Only GSM used for radio access.
				"umts"	Only UMTS used for radio access.
				"lte"	Only LTE used for radio acccess.