About this item

• Precision Tuning: The JPC-12 induction coil is an essential HF antenna loading component featuring a smooth-sliding regulator. Replace cumbersome screws with an intuitive slider to achieve a 1.1–1.3 SWR, ensuring rapid and effortless frequency calibration
• Enhanced Reliability: Engineered with an upgraded high-tension contact spring, this coil ensures a consistent, low-resistance connection to the induction path. This design minimizes signal noise and provides the stable, clear performance required for portable amateur radio operations
• Verified Tuning Guide: Master your bands with our precision reference guide (Note: Tuning positions refer to coil circles; markings are not present on individual coils): 7MHz: 4 circles from the Aluminum Tube; retract rod ~10cm. 14MHz: 6 circles from the rod side; retract rod ~20cm. 21.4MHz: 4 Aluminum Tube sections + 7 rod sections + 10cm. 29.6MHz: Full rod extension; retract ~0.5 section.
• Field-Ready Durability: Built from high-grade Aluminum Tube and rugged precision components, this coil is designed to withstand the rigors of SOTA/POTA deployments. Its robust construction ensures longevity, making it a dependable cornerstone for any portable outdoor radio kit
• Seamless System Integration: As a core modular upgrade, the JPC-12 induction coil offers perfect, out-of-the-box compatibility with GOOZEEZOO JPC-12 and JPC-7 HF vertical antenna systems. No complex adapters are required—simply install and optimize your station’s performance instantly