1. Applicability: Strong applicability and stable signal. 2. Frequency band: Wide frequency band, easy to use. 3. Material: Excellent ABS+metal material, durable. 4. Easy to use: Easy to install and easy to use. 5. This is a portable small loop antenna. It is easy and quick to set up the antenna for your shortwave transceiver. So you can enjoy multi-band reception and communication both indoors and outdoors. Model Number:Loop Antenna Shortwave:5-30MHz adjustable Power:20W FM:76-108MHz V segment + aviation band:110-150MHz U segment:400-450MHz Shortwave Tuning Reference: Frequency:5MHz/7MHz/10MHz/14MHz/21MHz/29MHz 1-button scale value:5/20/30/45/55/60 High and low selection:under/under/under/on/on/on 2-button scale value:35/45/60/25/38/50 Colour:As Shown Material:Metal+ABS Package Contents: 1 * Small Loop Antenna 1 * 2m/6.56ft Transmitting Antenna 1 * 5m/16.4ft 50 ohm Coaxial Cable 3 * Adapters 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.