Main Features of AN-05:Highly the of SW Band.No extra power required.Light weight, Compact size.Portable design for quick set up.Compact Antenna for SW, Compatible with all SW radio.Connect the of the AN-05 antenna to the radio, hang up another end of the AN-05 antenna to the or anywhere higher.MATTERS NEEDING ATTENTIONThunderstorm weather and areas with more , please try to avoid when using.How to use AN05? (suitable for external use when the indoor signal is poorly listening)Fix the AN-05 outdoors, (it is strictly prohibited to use it during thunderstorms).Pull out the cord in .Use the clip to the rod of the radio to use it.Specification for R-9012Frequency: FM: 76-108 MHz, MW: 525-1610 KHz , SW: 10-bands 3.90 - 21.85MHzSensitivity: FM less than or to 5uV, MW less than or to 1mV/m, SW less than or to 50uVOutput power: 150mWPower supply: DC 3V (adapter not included) or 2 x AA batteries (not included)Size: 3.1 x 5 x 1.1 inchThe R-9012 uses radio integrated circuits, sensitivity, signal to noise , high selectivity, and low power. FM / MW / SW 12 band shortwave wide range (3.9 ~ 22MHz) covering 10 short wave bands, can be stably receive radio waves from around the world.Colour: blackMaterial: plasticPackage Contents:1 * R-9012 RadioOnly the above package content, other are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.