Fumbling with buttons on a communication device can be a distraction for a crew in an emergency situation. Eartec's hands-free & no-buttons Simultalk 24G wireless radio is designed with these people in mind. Using two frequencies & the radios send and receive signals simultaneously & so users can speak to each other freely & as they would on a telephone. No base station is needed. Each 10-ounce radio is powered by a rechargeable battery & and has a range of a quarter mile. The price includes four radio units & four midweight headsets & batteries and battery charger.