Smith Radio's trunked radio system covers a major portion of North Central Pa with its ICOM IDAS System enabling users to utilize an encrypted digital system with many talk paths. Scanners only hear noise and no voice or audio whatsoever. The system also includes the capability to call your radios from a smartphone whenever there is cellular or wi-fi service as well as a mobile or portable equipped with a keypad can call the smartphone.
Analog technology is rapidly becoming extinct especially since narrow banding has decreased the range of communication systems. Digital signals cover much further with no static or decreasing of the audio.