Feature:1. Small and light, easy to carry and replace, convenient to use and with good performance.2. Using 1.6mm thick PCB doublesided board to ensure good passing performance of large and small currents.3. The large heat dissipation area of the module can better maintain long-term operation.4. Can be used with peace of mind, with strict quality control and quality assurance.5. Great workmanship, perfect replacement for the old one and has a long service life.Spec:Item Type: SWR ModuleMaterial: PCBFrequency: 3.5-30MHz Package List:1 x Module