David H Williams
P.O. Box 220442 Saint Louis, MO 63122
About the Expert
David H Williams is an expert in wireless/mobile location technology, applications, and services. His specialties include GPS tracking, location-based services (LBS), E911, Internet of Things (IoT), and other wireless location technologies and services. He has served as an expert in over 50 location-related patent/IP, cellphone forensics, anti-trust, ITC, and criminal/civil cases since 2007.
Areas of Expertise
- Communications - Telecommunications
- Electrical Engineering
- GPS Tracking
- NENA, APCO
- Certified in Emergency Management Response (CERT)
- The Definitive Guide to GPS, RFID, Wi-Fi, and Other Wireless Location-Based Services (2 versions)
- The Definitive Guide to Wireless E911
- The Definitive Guide to Mobile Positioning and Location Management (Co-authored)
Listed in the Following States
E911-LBS Consulting is listed with ExpertPages in the following jurisdictions: All US Regions and States, Canada (all Provinces).