Specifications:
Power Capacity: Maximum 30W transmission power
Frequency Range: 1.8MHz - 30MHz (supports VHF/UHF: 50-54MHz, 76-108MHz, 117-174MHz, 400-470MHz)
Material: High-strength aluminum alloy + steel components
Dimensions: Diameter 123mm, thickness 35mm
Tuning Method: Manual knob adjustment for high precision
Compatibility: Suitable for both indoor and outdoor environments

Features:
1. Wide Frequency Coverage:
Covers full shortwave 1.8MHz-30MHz bands and supports additional VHF/UHF frequencies for versatile communication applications. Ideal for amateur radio, emergency communication, and outdoor use.
2. Compact and Portable Design:
Highly compact (123mm), lightweight structure ensures fast setup in various locations such as balconies, rooftops, or remote outdoor settings for ease of use.
3. Precision Manual Tuning:
Features an easy-to-use knob adjustment system that provides precise frequency tuning. Optimizes signal transmission and reception for stable performance in all frequency bands.
4. Extendable Signal Range:
Designed to allow external wire connections (up to 20 meters) for enhanced signal coverage, increasing communication range in outdoor or remote locations.
5. Multipurpose Functionality:
Supports diverse applications, including amateur wireless communication, disaster rescue coordination, travel communications, field experiments, and educational purposes.

Instructions for Use:
Expand the antenna and select the target frequency band through the knob.
Connect the feeder to the shortwave transceiver and adjust the knob to the lowest standing wave ratio.
To enhance the signal, an external 20 meter wire can be connected and installed at a high altitude to expand the coverage area.

Package Included:
1 x 30W Antenna Unit
4 x Antenna Rods
3 x Connectors
1 x Storage Case