Jzoowar Main Parameters:1.8m-54mInsertion Loss:Less than 0.1DBWithstand Power:500W PEPNote:Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The UseColour:Milky WhiteMaterial:ABSSize:About 14x7.8cm (Height x Diameter) (Including Screws And M Base Parts)Package Contents:1 * Radio Shortwave Antenna ReceiverOnly 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.