The SBB25NMO is the best 2M mobile antenna COMET has to offer.
The radiation pattern provides the best possible signal strength and coverage area.

Gain & Wave:
4.1dBi center-load 5/8 wave
VSWR:  1.5:1 or less
Max Power:  200 watts
Length:  57″

Threaded collar fold-over hinge included, it will not slip up and fold-over by itself while traveling at highway speed.