has more than 25 years of experience in designing wireless systems, products and RFICs in both Hong Kong and the United States. He holds five patents and has one patent pending, all in RF designs. He has also published six conference and journal articles. He is currently running Lexiwave Technology, a wireless company in Hong Kong and US designing and selling RFICs, RF modules, antennas and wireless solutions. He has also been teaching numerous RF-related courses internationally.