Returns: radio presets for this unit

def radio_presets(self) -> typing.Iterator['FlyingUnit.RadioPresets']:
        """
        Returns: radio presets for this unit
        """
        if self.skill == 'Client' and self.unit_type in FlyingUnit.RadioPresets.radio_enum.keys():
            for k in self._section_unit['Radio']:
                yield FlyingUnit.RadioPresets(self, k)
        else:
            raise TypeError('unit #{}: {}'.format(self.unit_id, self.unit_name))