Radio telephones, also known as two-way radios or walkie-talkies, are portable communication devices that use radio waves to transmit and receive messages. These devices are commonly used in a variety of industries, including military, law enforcement, security, and transportation. Synonyms for the term radio telephones include handheld radios, portable radios, two-way communication devices, wireless communication devices, and handheld transceivers. These synonyms refer to devices that operate similarly to radio telephones but may have different features or specifications. In addition to their use in professional settings, radio telephones are also popular among hikers, campers, and outdoor enthusiasts who need a reliable way to communicate when cell phone service is not available. Whatever the application may be, radio telephones and their synonyms offer a convenient and effective method of communication.