Comet SBB-224NMO Tri-Band Mobile Antenna 144/220/440 MHz 2m/1.25m/70cm NMO Mount High-Gain VHF/UHF Antenna for Mobile Ham Radios and Scanners

The Comet SBB-224NMO Tri-Band Mobile Antenna is a high-performance, three-band antenna engineered for serious mobile operators who demand uncompromising quality and signal performance. Covering the 144 MHz (2 m), 220 MHz (1.25 m), and 440 MHz (70 cm) bands, this antenna offers the perfect balance of gain, size, and versatility for today’s amateur radio environments. Built with a rugged stainless-steel whip and a precisely tuned matching network, the SBB-224NMO provides low VSWR and high radiation efficiency, ensuring strong signal clarity and extended communication range. The fold-over hinge mechanism adds exceptional convenience—allowing operators to easily lower the antenna for parking garages or tight spaces without removing it from the mount. With a power rating of 120 watts, this antenna is ideal for both analog and digital FM mobile transceivers, including models used by amateur radio enthusiasts, emergency response teams, and commercial fleets. Its NMO connector makes it universally compatible with a wide range of mounts, from magnet-base to permanent installations. Finished in a sleek black coating, the SBB-224NMO not only delivers top-tier RF performance but also maintains a clean, professional look on any vehicle. Whether you’re running local repeaters, monitoring public safety channels, or coordinating field operations, this antenna offers reliable, multi-band operation and long-lasting durability backed by Comet’s decades of antenna innovation.

• The Comet SBB-224NMO is a professional-grade tri-band mobile antenna covering the 144, 220, and 440 MHz amateur bands, delivering superior gain and radiation efficiency for clear, extended-range communication.
• Designed for reliable mobile operation, this antenna’s durable stainless-steel whip and NMO-type base ensure a secure connection, reduced signal loss, and long service life even under continuous vibration or outdoor exposure.
• Its fold-over hinge base allows the whip to pivot, providing convenient clearance in garages or under low structures—ideal for installations on cars, SUVs, and emergency vehicles where mobility and flexibility are essential.
• Offering impressive gain characteristics—3.8 dBi on 144 MHz, 6.2 dBi on 440 MHz, and 6.0 dBi on 220 MHz—the SBB-224NMO ensures outstanding performance for both voice and digital amateur radio modes.
• Compatible with any standard NMO mount or magnetic base, the SBB-224NMO is perfect for multi-band users seeking one high-efficiency antenna that combines convenience, power handling, and top-tier build quality.