Design and construction Wireless communication systems Equipment and supplies 5 Microwave circuits 4 Radio 2 Radio circuits 2 Radio frequency integrated circuits 2 more ... Cell phone systems 1 Cell phones 1 Computer architecture 1 Computer networks 1 Computer-aided design 1 Embedded computer systems 1 Integrated circuits 1 Mathematics 1 Microcontrollers 1 Microwave communication systems 1 Microwave integrated circuits 1 Receivers and reception 1 Semiconductors 1 Testing 1 Transmitter-receivers 1 Very large scale integration 1 less ...