Cost and Dispatch Capabilities. Push a button and be connected to one or one hundred individuals. Two-way radios are easy to use with a push-to-talk (PTT) feature, which enables the user to communicate instantly with anyone within operating distance. Two-way radios are designed to be utilized in extreme conditions and offer rugged features. Flat monthly fee with no per minute airtime cost, unlike cellular phones. Low monthly costs, which include unlimited talk-times.