/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: JoelRayala https://cdn.slidesharecdn.com/profile-photo-JoelRayala-48x48.jpg?cb=1523515516 More than 12 solid years of Telecommunications experience especially in RF Optimization Engineering including BSS, Transmission and Field Operations. Specialties: UMTS/LTE RF Optimization