Full-band coverage: Supports 1.8MHz-30MHz shortwave bands, compatible with VHF/UHF (50-54MHz, 76-108MHz, 117-174MHz, 400-470MHz), meeting the needs of amateur radio, emergency communication, outdoor exploration, and other scenarios. Portable design: Compact and (only 123mm), suitable for rapid indoor and outdoor deployment; easily set up on balconies, , rooftops, or in the wild. Efficient tuning function: Knob-style adjustment design accurately matches high and low bands, optimizing transmission and reception effects to clear and stable communication. Flexible expandability: Can be connected to a 20-meter long cable (supplied by the user) to replace a telescopic antenna, achieving long-distance signal coverage and extending communication range. Power: 30W (maximum transmit power) Frequency range: 1.8MHz-30MHz (supports VHF/UHF extension) Tune method: Mechanical knob tuning Suitable environment: Indoor/Outdoor/Mobile scenarios Color: Black Material: Aluminum Alloy + Steel Package Contents: 1 x 30W antenna main unit 4 x antennas 3 x adapters 1 x storage box Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.