Sinclair presents its Excelsior mobile antennas that are built to last and offer proven solutions for all mission critical communication needs. The line of mobile whip antennas consists of quality components and materials to ensure maximum performance under extreme conditions. These versatile antennas cover a frequency range from 40-970 MHz and feature strong ABS housing that does not chalk. Stainless-steel fittings are molded into the housing without glue, and an integral Santoprene gasket completely waterproofs the base, preventing damage from moisture and rust. All Excelsior antennas are made of high-quality rust-resistant stainless steel to ensure durability. Superior components and rugged construction makes the Excelsior antennas ideal for law enforcement, public safety, military, heavy transport and other mission-critical applications.