Adjustable frequency: 5MHz-55MHz for sending and receivingVSWR less than 1.5 at 7MHz/10MHz/14MHz/21MHzCan receive UHF VHF frequencies. With transmitting assistance funcitonAdjust frequency via knob; and the band switch selects the short-wave high and low bandsTop with male connector. Output M male or BNC male connectorPower: 20WFM 76mhz-108mhz receptionStretched size 140cm/55.1 Inch (including tuner). Made of stainless steelUnstretched size around 30cm/11.8 inch (including tuner). Tuner size 10 x 3 x 3cm/3.9 x 1.2 x 1.2 Inch (LxWxT)Material: Metalcolour: blackPackage Contents:1 x Tuner1 x AntennaOnly 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.