Sirio Mag 145PL Magnetic Antenna Mount - SO239 for Antenna

Heavy-Duty Magnetic Base for Reliable Mobile & Portable GMRS / Ham Radio / CB Operations

The Sirio MAG145PL is a robust, professional-grade magnetic mount designed for high-performance mobile antennas. Built for amateur radio operators, CB enthusiasts, GMRS and public safety users, this mount delivers exceptional holding power and signal integrity even at highway speeds or in challenging conditions.

Key Features & Specifications:

• Large 160mm (6.3–6.5") Diameter Base — Extra-strong magnet provides secure attachment for heavy whip antennas like the Sirio Performer 5000 series and other PL-259 compatible mobile antennas.
• SO-239 (UHF Female) Antenna Connection — Standard PL-259 compatible fitting for easy antenna swaps.
• Pre-installed Cable — 3.6m (approx. 11.8–12 ft) of RG-58 coax with PL-259 connector and weather cap for quick, plug-and-play installation.
• Wide Frequency Range — DC to 500 MHz, ideal for HF, VHF, UHF, CB (27 MHz) and GMRS applications.
• Premium Construction — Chromed brass, nylon, and EPDM rubber components for durability and weather resistance. Includes a protective rubber boot to safeguard your vehicle’s paint.
• Weight — Approximately 1.44 kg (3.17 lb) for solid stability.

Why Choose the Sirio MAG145PL from Rig Cables?

At Rig Cables LLC, we understand the demands of mobile radio setups. This heavy-duty mount pairs perfectly with our custom coax assemblies, such as high-quality LMR-240 Ultraflex feedline upgrades. Many users upgrade the stock RG-58 for even lower loss with our premium cables — a great add-on for serious operators.

Whether you're equipping a work truck, emergency vehicle, or weekend mobile station, the MAG145PL offers rock-solid performance you can trust. Its strong grip minimizes wobble and detuning, while the quality materials ensure long-term reliability in variable weather conditions.

Perfect For:

• Ham radio mobile installations (HF/VHF/UHF)
• General Mobile Radio Service (GMRS)
• CB radio enthusiasts
• Public safety LMR applications
• Portable temporary setups

Technical Note: For optimal SWR and efficiency on longer runs or higher power, consider our custom low-loss coax full feedline replacement services.