Max base, designed with a spring-loaded brass contact pin.

Mates with all 1-1/8"-18 thread mounts, including 3/4" mounts.

Covers all frequencies for Uniden scanners.

Antenna Type: 1/4 wave (VHF frequencies);
Collinear array (UHF and 800/900 MHz frequencies).

Rod Ferrule: 5/16"-24 thread; bright or black chrome plate brass.