/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: dionyb https://cdn.slidesharecdn.com/profile-photo-dionyb-48x48.jpg?cb=1523200982 Telecommunications professional specialising in RF Wireless Communications. Detailed understanding of GSM / WCDMA / WiMAX / LTE technologies.