The RFMAX R3SGB-490 is a high-gain, low-profile UHF antenna engineered for 450–512 MHz public safety and LMR radio systems. Featuring rugged IP67 construction, NMO mounting, and superior RF performance, it delivers reliable, mission-critical communication for police, fire, EMS, and demanding fleet applications. With up to 4.6 dBi peak gain, a 360° omnidirectional radiation pattern, and DC-grounded ESD protection, this antenna ensures optimal coverage, reduced noise, and long-term field durability. Its compact 3.5-inch form factor and wideband support make it ideal for modern radio deployments requiring maximum performance in a minimal footprint.