The Icom IC-F621B two way radio base station is available in UHF frequency bands and has 25-50 watts of power with 256 channels and a fixed Power Supply.  The UHF frequency range allows the F621b to cut through thick obstacles like walls, buildings, and equipment.

The IC-F621B series mobiles meet the demanding needs of today’s professionals, as they can be expanded from conventional to trunking operation, and include 256 talk channel capacity, built-in flexible tone signaling,, and an alphanumeric LCD display screen.

Two Way Direct rates the F621b 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-F621B 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