Wideband Coverage and Power Adaptability: This K24 pocket EFHW antenna has superior wideband performance, covering the 3-30MHz band, suitable for low power operation of ≤12W in CW mode and ≤24W in SSB mode, which meets the needs of amateur radio shortwave communication. Convenient Storage and Portability: This product is designed to be compact and lightweight and offers premium portability. It comes with a convenient carry bag, making it easy to store and transport. You can effortlessly unfold it for use wherever and whenever needed. Multi-functional Test Application: Multifunctional design, this device is not only suitable for routine 2450 ohm resistance testing but also adept at conducting 20-meter oscillator tests and various other tasks, thereby thoroughly showcasing its extensive applicability within the realm of amateur radio. Flexible Installation: Providing a simple and quick installation process, it supports a variety of installation options, allowing users to choose the most suitable installation method according to the actual environment and needs. 20 meter long oscillator installation requires trimming. Grounding Optimization and Safety: According to the actual use requirements, users can install the grounding terminal at the right time to ensure the antenna works in a fine grounding state, effectively improve the signal transmission quality, reduce interference, and enhance the safety of the equipment operation at the same time. Name: EFHW Antenna Item size: 50 x 30 x 23mm / 1.97 x 1.18 x 0.91inch Item weight: 220g / 7.76ounce Colour:Black Material:Plastic + Metal Package Contents: 1 * Shortwave Antenna 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.