Features 1、RECEIVING FREQUENCY: Mini loop shortwave antenna support receiving at 9.9Khz‑181mhz frequency, receive directional, and can rotate the antenna to find the best receiving angle 2、EASY INSTALLATION: The circular antenna is designed for easy installation and simple operating, ensuring that users can get started quickly without any trouble 3、APPLICABLE SCENARIO: Loop antenna with 10‑30dBuV adjustment function, can open and close at any time, can be used for malachite receivers, TEF6686 receivers, HAM connections, etc. 4、COMPACT 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 5、LONG LASTING MATERIALS: The ring antenna is made of excellent PCB materials to ensure durability and long service life, providing users with long lasting performance Specification Item Type: Mini Loop Shortwave Antenna Frequency Range: 9.9kHz - 181MHz Interface: SMA male connector Battery Type: 1 x Rechargeable lithium battery 250mAh Size(LxW): Approx. 122 x 100mm / 4.8 x 3.94in Package List 1 x Mini Loop Antenna