Dave Urban works in the Network Architecture group at Comcast focusing on RF architecture. Dave Urban joined Comcast in the fall of 2004 and has worked on many wireless and DOCSIS projects. He has over twenty years of experience in RF circuit and systems design at AT&T Bell Labs, ITS Corporation, ADC Telecommunications, and Axcera. Dave has an MSEE from Carnegie Mellon University, a BSEE from Penn State, and a BA in Physics from Edinboro University of Pennsylvania, as well as extensive graduate level EE course work at New York Polytechnic, Stevens Institute of Technology, and Ohio State. Dave designed the first class AB 45 watt power amplifier for AMPS cellular base stations, participated in the design, development, and manufacture of the first cellular base station multi-carrier feed-forward amplifier, participated and designed equipment for the first digital cellular field trials, designed microwave equipment and performed end to end systems testing for the first commercial microwave broadcast QAM MPEG2 digital television system, designed built and tested the first demonstration system for 2.5 GHz OFDM, designed microwave equipment and performed the end to end system testing for the first DOCSIS based microwave 2.5 GHz high-speed Internet systems, participated in lab and field testing and deployment of many of the first non-line of sight broadband wireless networks using TDD. Dave lives in Downingtown with his wife Kim and his three children Katie, Sam, and Annie.