The Tram® 1183 Dual-Band Amateur Antenna with Stainless Steel Mirror Mount operates efficiently across a range of frequencies, specifically from 140 to 170 MHz in the VHF band and 430 to 450 MHz in the UHF band. It features unity gain on VHF for straightforward performance and a notable 2.5-dBd gain on UHF, ensuring strong signal reception. Designed for your convenience, this antenna comes pre-tuned, eliminating the need for any additional adjustments. Standing at a compact 17-1/4 in. tall, it boasts a sleek black stainless steel finish with an open coil design, making it both durable and visually appealing. The mounting process is hassle-free, thanks to its 3/8-in. x 24 thread compatibility, and it comes with a sturdy, stainless steel double-groove mirror mount and bolts for secure installation. Additionally, the super heavy-duty stud features a stainless steel SO-239 UHF female connector, ideal for use with a PL-259 connector, ensuring a reliable connection every time. This antenna is built to last and designed to meet your communication needs effortlessly.