Product Name: 10kHz-180MHz Full-band coverage Annular donut Antenna Supports shortwave/medium-wave SDR reception Product size: 11*10 cm Product colors: black, blue, red Product highlights ❶ Full-band signal capture Covering an ultra-wide frequency band of 10kHz to 180MHz, the antenna direction can be rotated and adjusted to easily capture the best receiving Angle and enhance signal stability. It's super convenient to install and use immediately The design requires no complex debugging, and the circular structure enables quick installation. Even beginners can easily get started with the operation. The palm size is super portable With a mini size of 110mm (approximately the size of a smartphone) and a lightweight weight of 19g, it can be folded and stored without taking up much space, providing no burden when used outdoors. ❹ quality It adopts a high-toughness composite material frame and anti-corrosion coating process, which is durabe and wear-resistant, suitable for both indoor and outdoor environments. Intelligent adaptation for multiple devices Perfectly compatible with malachite SDR receivers, TEF6686 chip radios, amateur radio equipment, etc., SMA male plug and play. Technical parameters Youdaoplaceholder0 net weight: 19g Youdaoplaceholder0 receiving frequency band: 10kHz-180MHz Youdaoplaceholder0 Interface type: standard SMA male header The set includes: Circular receiving antenna ×1