The Icom IC-F521B two way radio base station is available in VHF frequency bands and has 25-50 watts of power with 256 channels and a fixed Power Supply.  The VHF frequency range allows the F521b to transmit over longer distances when not blocked by obstructions or dense objects.

The IC-F521B series mobiles meet the demanding needs of today’s professionals. With 256 channel capacity and built-in flexible tone signaling, these Icom base stations meet the demanding needs of today's professionals, and can be expanded from conventional to trunking operation.

Two Way Direct rates the F521b base station as a Professional Series Base Station with a 4.5-Star Durability Rating based on Military Specification Standards. The MIL-STD-810 series of standards are issued by the United States Army's Developmental Test Command, to specify various environmental tests to simulate conditions that the IC-F521B will encounter in the field.

Comparable base stations include:
Motorola: CM200, CM300, XPR4300, XPR4500, XPR4350
Kenwood: TK-7160, TK-8160H
Vertex: BSC-5000
Icom: IC-F521B / IC-F621B

Applications:
Dispatch
Control Station