📺 Learn the basics of portable two-way radios, including key parts, how to operate them, and tips for clear communication. New to portable two-way radios? This video is a very basic introduction to the parts of a portable push-to-talk (PTT) radio and how to use it properly. David Johnson explains how to identify the main parts of the radio, such as the power and volume knob, channel selector, antenna, battery, and push-to-talk button. He also covers how to operate the radio clearly and effectiv