1RECEIVING FREQUENCY: Mini loop shortwave antenna support receiving at 9.9Khz181mhz frequency, receive directional, and can rotate the antenna to find the best receiving angle 2EASY INSTALLATION: The circular antenna is designed for easy installation and simple operating, ensuring that users can get started quickly without any trouble 3APPLICABLE SCENARIO: Loop antenna with 1030dBuV adjustment function, can open and close at any time, can be used for malachite receivers, TEF6686 receivers, HAM connections, etc. 4COMPACT AND LIGHT: The SW loop antenna is compact and light, easy to carry and store when not in use, and provide great convenience for your life 5LONG LASTING MATERIALS: The ring antenna is made of excellent PCB materials to ensure durability and long service life, providing users with long lasting performance 1 x Mini Loop Antenna