Analog two-way radios use analog signals to transmit and receive voice communications between two or more parties. Analog radios are also known as "walkie-talkies" and are commonly used in industries such as construction, public safety, and transportation.
Analog radios operate on a specific frequency band, which determines the range and clarity of communication. They use a simple technology that modulates a carrier wave with an audio signal to transmit voice communication. The receiving radio then demodulates the signal to recreate the original audio signal.
While analog two-way radios have been largely replaced by digital radios, they are still widely used in certain industries due to their simplicity, reliability, and cost-effectiveness. However, analog radios can be subject to interference and their transmissions can be easily intercepted, which is why many organizations have upgraded to digital radios.