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Our Specialization in Custom Designed RF & Microwave Filters enables us to develop any Cavity, Lumped Element, Waveguide, or Wireless Filter to meet your needs. Click below to fill out our easy on-line form to receive your quote today! You can also call EWT at 410.749.3800 to talk to our Sales or Engineering Team

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The products viewed on this page represent just a small sample of the types of Wireless Filter Products designed and manufactured by EWT. Please contact us for one of these or a custom designed filter or duplexer for your specific application.


3.5 GHz Duplexer

3.5 GHz Duplexer

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GSM Duplexer

GSM Duplexer

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5.8 GHz Surface Mount Duplexer

5.8 GHz Surface Mount Duplexer

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AMPS Band Duplexer

AMPS Band Duplexer

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AMPS Band Duplexer

AMPS Band Duplexer

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