PNI S75 Professional CB Radio Antenna Kit – 76cm Stainless Steel Butterfly Antenna with 4-Meter RG-58 Coaxial Cable, Adjustable Tilt Mount, and PL-259 Plug

Professional Adjustable Butterfly CB Communications Infrastructure for Vehicular Fleets

The PNI S75 is a commercial-grade mobile Citizen Band antenna system engineered to deliver stable, high-efficiency radio frequency transmission and dependable voice modulation across standard mobile emergency and transport frequencies. Built around a high-tensile stainless steel whip radiating element, this premium mobile vertical antenna ensures exceptional durability against environmental degradation and mechanical wear from highway travel. It stands as an immediate, out-of-the-box communication utility asset for logistics operators, long-haul commercial transport vehicles, utility truck fleets, and high-volume B2B radiocommunication accessory wholesale distribution networks across European markets.

The technical framework is optimized to maintain peak signal integrity under optimal installation and deployment conditions, offering a substantial maximum continuous applied power rating of 250 W (PEP). Internal impedance tuning is precisely calibrated at a nominal 50 Ohms, achieving a strict Voltage Standing Wave Ratio (SWR) of less than or equal to 1.2:1. Under ideal working setups—such as an open field devoid of physical obstacles, a properly calibrated system, and a standard transceiver operating at a legal 4W output—this configuration enables a maximum line-of-sight communication distance of up to 10 km, effectively safeguarding connected CB radio stations against accidental thermal stress or power reflections.

The physical layout features a functional 76 cm antenna length designed to balance long-range radiation performance with low-profile aerodynamics in city environments. To accommodate clearance issues when navigating low-height garages, underground parking spaces, or covered industrial passages, the base is equipped with a professional butterfly thumbscrew adjustment mechanism that allows operators to quickly tilt the whip manually (tilting past 30 degrees during active transmission is not recommended to avoid signal polarization loss). To enable immediate vehicular integration, the kit includes a complete fixed structural cable mount, a 4-meter low-loss RG58 coaxial feedline, and a precision-machined PL259 mechanical connector socket for a flush, vibration-proof electrical bond directly onto mobile transceivers.

Technical Specifications Matrix