Walkie Talkie
A walkie talkie is a handheld radio with a speaker and microphone that enables two people to communicate with each other in a situation where they cannot physically be together. These radios are also known as two-way radios. Business walkie-talkies generally have higher frequency levels and longer ranges than consumer models. These devices are generally more expensive than their consumer counterparts. In addition, a business radio typically has more features and is heavy-duty. However, a consumer radio is less expensive and has lower frequency levels. It is also battery-operated, and the batteries vary depending on the model. The basic components of a walkie-talkie are a triode amplifier, three "chokes" (frequency filters), and a capacitor. The US Patent 2,698,380 describes a high-frequenc...