399-1M
606775
Same as the 606763 (399-1), but it has a special aluminum sleeve for mast mounting. Collinearphased 5/8 wave with two coaxial chokes to suppress cable radiation. This professional quality antenna combines strength and performance for use where you really need the efficiency of a large antenna, but dont have room for one. An SO-239 connector at the base and 1-1/4 U-bolts are supplied. The 399-1M can be strapped to a larger mast using steel banding. Not included.