A mobile station user is informed in real time of reaching of a threshold of data usage via a wireless communication network. The cyclone separating apparatus includes a cyclone body including a cyclone chamber and a dust collecting chamber, a cover unit connected to an upper portion of the cyclone body, a door unit openably mounted to a bottom portion of the cyclone body, and at least one noise reducing rib formed in an air discharging pipe in the cyclone chamber. In response to determining that the cordless communications parameter crossed the predetermined threshold value, at least one other cordless telephone handset may be caused to switch into a repeater mode so as to receive and communicate the cordless communications signal between the cordless telephone handset and the base unit. The system further includes a first magnet disposed outside the body and lateral to the first magnetically susceptible material, and a second magnet disposed outside the body and lateral to the second magnetically susceptible material. The entry contains an identifier for the subscriber and an identifier for the service. The indicator means is coupled with the latch means for providing a visual indication of the condition of the latch means.