POC radios, or Push-to-Talk over Cellular radios, are instant communication devices that utilize cellular networks (like 3G, 4G, LTE, and 5G) for two-way radio communication. They operate using a cellular SIM card, allowing users to communicate wherever there is cell service. Key features of PoC radios include quick group calls, real-time talk, voice communication, and data exchange, making them suitable for various applications and especially in the security industry. You can communicate annually with a total cost of data (sim card charge) $29 annually.