The MB400 offers cloning capabilities making it easy to program an indefinite amount of radios. Ready to use right out of the box with 16 pre-programmed business band channels or can be custom programmed using the free programming software. While this radio is relatively compact in size it is big on performance, carrying an IP67 waterproof rating and a full 4-Watt of transmit power providing coverage for up to a 350,000 sq. The MB400 is an industrial grade on-site business radio designed for demanding business environments of all types.