Dual antenna solutionThe finished product includes: 1 set of welded radio modules, which can be installed and used on the machine after receipt.Applicable models:For uvk5/k6 shortwave radio moduleThings to know when purchasing:1. The kit is a DIY product. Corresponding hands-on soldering ability is required. Please ask to do this.2. The finished product effect is closely related to objective factors such as equipment, personal welding technology, firmware, etc. The kit cannot the finished product effect, please forgive me.Due to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use.Colour:BlackMaterial:PCBPackage Contents:1 x SI4732 Kit1 x 2M Expansion Chip2 x Donut Antenna1 x Adapter 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.