The Motorola RDU4100 two way radio offers 10 channels and 4 watts of power, providing coverage for up to 350,000 square feet or 30 floors. It supports 89 UHF frequencies with 122 private line codes. The RDU4100 offers a unique combination of convenience and power. Most high powered 4 watt radios are required to be programmed by a dealer. With the RDU4100, however, the user can assign the channels to any of the built-in frequencies and PL codes. A tri-color LED alerts the user to the radio's status and features. The Motorola RDU4100 radio also offers channel scan, hands-free VOX mode (with optional accessories), voice scrambling, and more.