Diamond's A-144S5R is a high gain VHF directional base station antenna. Its assembly is extremely easy and is offered for both portable and fixed use. It covers from 144 to 146MHz, can withstand up to 50watts has a UHF connector and its gain is 9.1dBi.

Specifications:

•Frequency : 144-146MHz
•Gain : 9.1dBi
•Elements : 5
•Power : 50W
•Impedance : 50 Ohms
•Socket SO-239
•VSWR <1.3:1 (typical)
•Boom length : 0.95m
•Mast size : 25-47mm
•Wind surface area : 0.1 m2
•Turning radius : 0.860m
•Dimensions : 950 x 1090 x 73mm
•Weight : 0.63k