Motorola RDV2020 Two Way Radio RDV2020 Two Way Radio features 27 built-in frequencies, with 83 digital and 38 analog private line codes, three call tones, and designed to Mil-Spec 810 IP54 specifications. Offers range of up to 250,000 square feet or up to 20 floors in steel/concrete buildings, or up to 5 miles outdoors in flat unobstructed areas.