--- title: Electromagnetic Spectrum Innovator Resources | Spectrum Control description: Welcome to the Spectrum Control Resources Page! Here you will find a handy list of our most useful and relevant resource pages on our most popular products --- [![Spectrum Control horizontal small logo transparent](https://info.spectrumcontrol.com/hubfs/Spectrum%20Control%20horizontal%20small%20logo%20transparent.png)](https://www.apitech.com/) # **Product Resource Pages** ##### Quick Links to Key Product Pages [//](//) [EMI Protection](https://info.spectrumcontrol.com/en/#section1) [RF Components and Assemblies](https://info.spectrumcontrol.com/en/#section2) [Inmet & Weinschel](https://info.spectrumcontrol.com/en/#section4) [Secure Systems](https://info.spectrumcontrol.com/en/#section3) ## EMI Protection **Board & Panel Mount EMI Filters:**[https://info.spectrumcontrol.com/discrete-emi-filters](https://info.spectrumcontrol.com/discrete-emi-filters?hsLang=en) **Circular Filtered:** [Connectors:https://info.spectrumcontrol.com/circular-connectors](https://info.spectrumcontrol.com/circular-connectors?hsLang=en) **D-Sub Filtered Connectors:** [https://info.spectrumcontrol.com/d-sub-resource-page](https://info.spectrumcontrol.com/d-sub-resource-page?hsLang=en) **Chassis Mount EMI Filters:** [https://info.spectrumcontrol.com/emi-power-filters-resource-page](https://info.spectrumcontrol.com/emi-power-filters-resource-page?hsLang=en) **EMI Filter Plates:** [https://info.spectrumcontrol.com/emi-filter-plates-resource-page](https://info.spectrumcontrol.com/emi-filter-plates-resource-page?hsLang=en) **EMC Testing:** [https://info.spectrumcontrol.com](https://info.spectrumcontrol.com/emc-testing?hsLang=en)[/emc-testing](https://info.spectrumcontrol.com/emc-testing?hsLang=en) **Military Aerospace EMC Testing:** [https://info.spectrumcontrol.com/military-aerospace-emc-testing](https://info.spectrumcontrol.com/military-aerospace-emc-testing?hsLang=en) **Wireless Comm Industry EMC Testing:** [https://info.spectrumcontrol.com/telecom-emc-testing](https://info.spectrumcontrol.com/telecom-emc-testing?hsLang=en) **Medical Industry EMC Testing:** [https://info.spectrumcontrol.com/medical-industry-emc-testing](https://info.spectrumcontrol.com/medical-industry-emc-testing?hsLang=en) **Industrial EMC Testing:** [https://info.spectrumcontrol.com/industrial-emc-testing](https://info.spectrumcontrol.com/industrial-emc-testing?hsLang=en) **EMP/HEMP Filters:** [https://info.spectrumcontrol.com/emp-hemp-filters-resource-page](https://info.spectrumcontrol.com/emp-hemp-filters-resource-page?hsLang=en) ## RF/Microwave Components and Assemblies **RF Filters:** [https://info.spectrumcontrol.com/rf-filters-resource-page](https://info.spectrumcontrol.com/rf-filters-resource-page?hsLang=en) **SAW Filters:** [https://info.spectrumcontrol.com/saw-filters](https://info.spectrumcontrol.com/saw-filters?hsLang=en) **High Power SAW Filters:**  [https://info.spectrumcontrol.com/hp-saw-filters](https://info.spectrumcontrol.com/hp-saw-filters?hsLang=en) **Printed Filters:** [https://info.spectrumcontrol.com/printed-filters-resource-page](https://info.spectrumcontrol.com/printed-filters-resource-page?hsLang=en) **RF Amplifiers:** [https://info.spectrumcontrol.com/rf-amplifiers-resource-page](https://info.spectrumcontrol.com/rf-amplifiers-resource-page?hsLang=en) **IMAs:** [https://info.spectrumcontrol.com/imas-resource-page](https://info.spectrumcontrol.com/imas-resource-page?hsLang=en) **OptoXtreme™ Micro-optical Transceivers**  [https://info.spectrumcontrol.com/opto-fire-resource-page](https://info.spectrumcontrol.com/opto-fire-resource-page?hsLang=en) **X-Band Quad Transmit Receive Modules:**  [https://info.spectrumcontrol.com/qtrm-resource-page](https://info.spectrumcontrol.com/qtrm-resource-page?hsLang=en) **Multi-Chip Modules and MMICs: ** [https://info.spectrumcontrol.com/mcm-mmic](https://info.spectrumcontrol.com/mcm-mmic?hsLang=en) ## Inmet & Weinschel **5G and Wi-Fi:** [https://](https://info.spectrumcontrol.com/5g-wifi-testing?hsLang=en)[info.spectrumcontrol.com](https://info.spectrumcontrol.com/coaxial-attenuators?hsLang=en)[/5g-wifi-testing](https://info.spectrumcontrol.com/5g-wifi-testing?hsLang=en) **Coaxial Attenuators:** [https://info.spectrumcontrol.com/coaxial-attenuators](https://info.spectrumcontrol.com/coaxial-attenuators?hsLang=en) **Powerfilm:** [https://info.spectrumcontrol.com/powerfilm-resource-page](https://info.spectrumcontrol.com/powerfilm-resource-page?hsLang=en) **Coaxial Terminations:** [https://info.spectrumcontrol.com/coax-terminations-resource-page](https://info.spectrumcontrol.com/coax-terminations-resource-page?hsLang=en) **Gain Equalizers:** [https://info.spectrumcontrol.com/gain-equalizers-resource-page](https://info.spectrumcontrol.com/gain-equalizers-resource-page?hsLang=en) **Cryo Attenuators:** [https://info.spectrumcontrol.com/cryo-attenuators-resource-page](https://info.spectrumcontrol.com/cryo-attenuators-resource-page?hsLang=en) **Butler Matrices:** [https://info.spectrumcontrol.com/butler-matrices-resource-page](https://info.spectrumcontrol.com/butler-matrices-resource-page?hsLang=en) **Passive Coaxial:** [https://info.spectrumcontrol.com/passive-coax-resource-page](https://info.spectrumcontrol.com/passive-coax-resource-page?hsLang=en) **Programmable Attenuators:** [https://info.spectrumcontrol.com/programmable-attenuators-resource-page](https://info.spectrumcontrol.com/programmable-attenuators-resource-page?hsLang=en) **Weinschel Brand Products:** [https://info.spectrumcontrol.com/weinschel](https://info.spectrumcontrol.com/weinschel?hsLang=en) ## External Links Links to directory listings for Spectrum Control. Avionics International vendor directory: [https://www.avionicsvendordirectory.com/company/303933/spectrum-control-inc](https://www.avionicsvendordirectory.com/company/303933/spectrum-control-inc) EMC Directory: [https://www.emc-directory.com/companies/126/apitech](https://www.emc-directory.com/companies/126/apitech) EverythingRF: [https://www.everythingrf.com/companies/209/api-technologies](https://www.everythingrf.com/companies/209/api-technologies) InCompliance Directory: [https://www.incompliance-directory.com/onlinedirectory/listing/spectrum-control/](https://www.incompliance-directory.com/onlinedirectory/listing/spectrum-control/) Microwave Journal: [https://www.microwavejournal.com/directories/3337-buyer-s-guide/listing/651-spectrum-control-inc](https://www.microwavejournal.com/directories/3337-buyer-s-guide/listing/651-spectrum-control-inc) Industry Net: [https://www.industrynet.com/listing/80989/spectrum-control](https://www.industrynet.com/listing/80989/spectrum-control) ### For more information on Spectrum Control products visit **[www.spectrumcontrol.com](https://www.apitech.com/)**   [![Visit Spectrum Control](https://no-cache.hubspot.com/cta/default/5942715/6d582829-5c50-4bab-b9ec-cf03bee57b1f.png)](https://cta-redirect.hubspot.com/cta/redirect/5942715/6d582829-5c50-4bab-b9ec-cf03bee57b1f) - [Documentation](https://www.spectrumcontrol.com/resources) - [Tools and Resources](https://www.spectrumcontrol.com/tools-resources) - [Supplier Portal](https://suppliers.spectrumcontrol.com/) - [Partner's Login](https://partners.spectrumcontrol.com/Account/Login?ReturnUrl=%2f) - [Disclaimer](https://www.spectrumcontrol.com/disclaimer) - [Privacy Policy](https://www.spectrumcontrol.com/privacy-policy) - [Terms and Conditions](https://www.spectrumcontrol.com/terms-conditions) - Copyright 2026