Feature●CB & 10m Mobile antennas Very High power handling capability Tunable from 27 to 30 MHz 17/7 PH tapered stainless steel whip Whip detachable for car-wash●Type: trucker antenna Frequency range: 27 ... 30MHz Impedance: 50 Ω Polarization: linear vertical●SWR @ res. freq.: ≤ 1.2 Bandwidth @ SWR ≤ 2: ≥ 2600 KHz (230 channel) Max. power: 1500 Watts (CW) continuous 5000 Watts (CW) short time●Connection: 3/8"x24 thread male Height (approx.): 2.02 mm/ 6.6 ft Weight (approx.): 480 gr/1.06 lb●Made in ItalyDescription The new Sirio Performer 5000 3/8 NS (no shaft)trucker antenna is designed for the 3/8 24 mount, Special Design for Truckers! The NS model has no shaft.