Design and construction Wireless LANs Wireless communication systems 4 Equipment and supplies 3 IEEE 802.11 (Standard) 3 Standards 3 Wireless metropolitan area networks 2 Access control 1 Cardiology 1 Data processing 1 Electrocardiography 1 Local area networks (Computer networks) 1 Management 1 Mobile computing 1 Patient monitoring 1 Personal communication service systems 1 Power supply 1 Remote access 1 Remote sensing 1 Roaming (Telecommunication) 1 Routing protocols (Computer network protocols) 1 Security measures 1 Sensor networks 1