... acid rain, alkaline and salt fog corrosion. Advantages: The yagi antenna have strong directivity , high gain, signal stability, receiving distance, ... presented , easy install and can work long time outdoor. Yagi antenna specification: Specification : Input Frequency:470-1100MHz (can select) ... Re: We are a factory with more than 18 years MMDS downconverter and LNB manufacture experiences. 2. What's the ...