Wireless Network Testing, Consulting and Expert Witness
ZK Services performs CW and PIM testing for DAS and Public Safety for new Transbay Building in San Francisco

Over 1.5 million SF
31 CW locations
10 PIM locations

December 2017
ZK Tests Port-au-Prince Haiti
January 2018

ZK Services, LLC
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National Association of Defense Lawyers publishes article by Rich Miletic in November 2018 issue of "The Champion" entitled "Determining RF Coverage in Criminal Cases".

Download article HERE

November 2018
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ZK Testing, Consulting and Expert Witness Services
Copyright 2013
ZK Services, LLC
ZK Service engineers have a deep knowledge of cellular, WiFi and Public Safety networks. We communicate with wireless operators, engineers, legal teams, law enforcement and service providers on a daily basis. Our experience allows us to do efficient and high quality work in a timely and professional manner.
Over 35 years of experience testing and analyzing performance and cell phone location data
ZK Services has over 35 years of wireless system design, location and testing. We focus Cellular voice and data, WiFi and Public Safety.

CEO Rich Miletic has launched and operated both manufacturing and service companies in the wireless market. Rich provides expert witness testimony in the area of cellphone location and database analysis. His full profile can be viewed at https://www.linkedin.com/in/rich-miletic/

Our Consulting Group assists clients in RF design, mobile forensics, wireless performance standards, evaluation of companies' products/capabilities in the marketplace and implementation of processes to insure a quality user experience.

Our National Test Team walk-tests venues and drive-tests areas to determine wireless performance. A detailed report is provided along with an Executive Summary with expert analysis.
• Verizon Wireless
• National Football League (NFL)
• Crown Castle
• Boingo Wireless
• KGP BlueStream
• TE Connectivity
• American Tower
• Connectivity Wireless
• Custom Wireless
• USA CRAN Engineering
• SAC Wirelesss
• Transit Wireless (NYC Subways)
Approved Vendor with the Following Companies
• SAC Wireless
• Dali Wireless
• Federal Express
• GM OnStar
• Communication Technology Services (CTS)
• Wireless Services
• Perfect Wireless
• Optical Telecom
• Mobilitie
• ADRF Techmologies
• Haiti Ministry of Communications