E/M~0db Field Tune X-NUT Flex Field Tunable for Precise Spot Frequency and Bandwidth Requirements Super-Elastic, Ultra-Flexible Radiator Reduces Potential Damage from Multiple/Repeated Strikes IP67 Rated: Dirt, Dust, Water and Corrosion-Proof Reliability in Extreme Operating Conditions All Brass and UV Resistant Polymer Materials High Conductivity and Greater Operational Bandwidth than Traditional Chrome Nut Products Applications: Public Safety/LMR/P25/TETRA, ISM/SCADA/Utilities, Telemetry/Fleet Management, Railroad/Train Control