Radiating Element Material: Stainless Steel UHF 462-467Mhz; with a frequency range of 462-467MHz, this antenna provides exceptional compatibility with various GMRS radios and enhances signal clarity for efficient communication. VSWR:< 1.5. Featuring a VSWR of less than 1.5, this antenna ensures minimal signal loss, resulting in clear transmissions and reception even in challenging environments. Gain: 5.5dBi for better TX and RX; the high gain amateur radio antenna boosts signal strength, ensuring seamless communication up to long distances with its 5.5 dBi gain and NMO GMRS design. Maximum Power Input-watts:100W; Built to withstand demanding outdoor conditions, this antenna is capable of handling up to 100W of power input, for 460-470Mhz Motorola ICOM Yaesu Uniden Handheld GMRS 2-Way radio/Repeater/Mobile Radio GMRS NMO Antenna; the GMRS Amateur Radio Antenna is designed for mobile applications, making it ideal for use on trucks, SUVs, cars, and other vehicles. The antenna features a sturdy construction that ensures long-lasting durability,