A dual-mode PMOS transistor is disclosed that has a first mode of operation in which a switched n-well for the dual-mode PMOS transistor is biased to a high voltage. The system includes a client computer having an input data map for receiving and storing care-receiver data including predetermined, critical categories of care-receiver information. The plates can be secured to the roll body by vacuum andor mechanical devices. The training device comprises a weighted ground level base plate that supports the X-Y rotation device. Since the isolation part is integrally formed with either one of the transmitter filter and the receiver filter, the duplexer can be manufactured in a small size by simplified processes.