Our latest range of push-to-talk over cellular devices, known as "POC" and "PTTOC" radios, operate using 3G/4G/LTE technology, providing nationwide coverage for users. These radios use a sim card to connect to cellular networks, enabling instant communication through a PTT button. Additionally, they are equipped with advanced features such as GPS tracking and WiFi connectivity, making them highly versatile and practical tools for modern communication needs.