Features: Engineered with copper for superior conductivity and erosion resistance, this 5.6 meter telescopic shortwave antenna base features adjustable length for versatile frequency adaptation and general 10mm thread interfaces for seamless compatibility with standard equipment. The lightweight ABS aluminum alloy construction combines portability with durability, offering tool easy installation and foldable design optimized for stable band performances in remote communication scenarios. Designed for amateur radio operators, QRP enthusiasts, and outdoor adventurers requiring stable signals transmission during field operations, emergencies communications, or mobile setups. Ideal for wilderness camping, marine expeditions, and strategic deployments where quick assembly, wide frequency coverage (3 ), and robust signals clear are critical for uninterrupted communication. Its telescoping copper cores radiator ensures minimal signals loss across multiple bands while maintaining compact storage dimensions, making it essential upgrade for portable radio stations and emergencies preparedness kits. Specifications: Component : ABS+Aluminum Alloy Package Includes: 1xAntenna Base note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.