Smart RF Inc. has filed separate Eastern District of Texas complaints against AT&T (AT&T Mobility) (2:24-cv-00195), Deutsche Telekom (Sprint, T-Mobile) (2:24-cv-00197), and Verizon (Verizon Wireless) (2:24-cv-00196). The Canadian plaintiff alleges infringement by each carrier of five patents broadly directed to wireless signal modulation through the provision of cellular services using their respective cellular networks, including certain base stations.