The HR42W series of high performance, precision SMA coaxial fixed attenuators expands EMC Technology’s current offering of high reliability products. These coaxial attenuators offer superior attenuation accuracy, with extended broadband frequency operation from DC to 18 GHz. This product is rated for 2 watts of input power with attenuation values from 0 dB to 30 dB.  In EMC tradition, this product is now available in a high reliability version through a standard test plan offering Group A, B, or Ctesting.  The HR42W series are fully screened and shipped with serialized test data. EMCTechnology’scoaxial attenuators are manufactured with a stainless steel body and standard SMA male/female interface and the rugged construction ensures reliability and continuous performance in the most demanding environments. 

For more information about the HR42WXX.XXT(Note: XX.XX=dB value and T = Test Code), please contact our Sales Department at +1 772 286 9300. For questions or applications information please contact a product specialist at +1 772 600 1360.The data sheet with the complete specifications and test plan is available at

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