Wireless Technologies and Systems Committee

WTSC develops wireless radio access, system, and network solutions related to wireless and/or mobile services and systems. WTSC develops and continues to enhance solutions necessary to support a U.S. public warning system and wireless emergency alert system. ATIS is the 3GPP North American partner, and WTSC provides critical technical review and input for necessary contributions.


  • WTSC spearheaded the standards and requirements needed to implement the nation's first Wireless Emergency Alert (WEA) system. WTSC evaluates the feasibility of and standardization/implementation considerations for future enhancements.

Don Zelmer, AT&T

Vice Chair:
Mark Younge, T-Mobile USA