RF microwave filters represent a class of electronic filter, designed to operate on signals in the megahertz to gigahertz frequency ranges (medium frequency to extremely high frequency). This frequency range is the range used by most broadcast radio, television, wireless communication (cellphones, Wi-Fi, etc.), and thus most RF and microwave devices will include some kind of filtering on the signals transmitted or received. Such filters are commonly used as building blocks for duplexers and diplexers to combine or separate multiple frequency bands
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According to the newly-released support measures, the limited liability company and the registered capital of the company incorporated in the company may be put in place in phases. The initial capital contribution shall not be less than 20% of the registered capital, and the rest will be paid within two years from the date of establishment of the company.
Yangzhou City encourages all types of personnel to invest in the establishment of LED and solar photovoltaic enterprises, encourage all types of capital to enter the industry, support Fortune 500 companies and multinational companies to set up LED, photovoltaic industry regional headquarters or R&D center; bid for LED and solar photovoltaic enterprises Implementation of barrier-free registration, if the application materials are complete and in compliance with the statutory form, registration shall be made on the spot, and if the conditions are met, the business license shall be issued on the spot. 
Measures to support LED and solar energy in Yangzhou
The registered capital limit of LED and solar photovoltaic enterprises, non-monetary property such as proprietary technology and intangible assets can be invested as the capital, and the capital contribution can account for up to 70% of the total registered capital.