Easy Installation: The MA-12 coil allows you to easily upgrade your shortwave antenna without any hassle. : The MA-12 coil is and maintains its effectiveness for a long time. Construction: The MA-12 coil offers precise performance for superior reception. Nanowatt Coil: The 3.5MHz coil ensures high-fidelity shortwave reception. Compatibility: This coil is specifically designed for the MA-12 shortwave antenna and allows for seamless installation. Part Name: MA-12 Portable Shortwave Antenna Coil (Suitable for General-Purpose Antennas) Voltage Withstand: 100W, FT8 50W Impedance: 50Ω Frequency Range: 3.5MHz Applicable Models: MA-12 Portable Shortwave Antenna (Suitable for General-Purpose Antennas) Color:Red Material:Stainless Steel Package Contents: 1 * coil for MA-12 Shortwave Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.