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Tag: EMC Compliance

Testing electrical and electronic devices for EMC compliance can be a daunting task. With few local testing labs available, companies will often have to travel to find a certified testing lab that is equipped to assess their specific product. And due to the lack of available labs, companies often have to book testing sessions in advance and follow an unforgiving, strict schedule. The thought of EMC testing gives engineers a headache, but the thought of failing testing and having to repeat the process a second or third time is even more frustrating. For medical device engineers, whose standards are much stricter than other device standards, testing for EMC compliance is a bit of a nightmare. There is, however, a way to speed up the process of EMC testing while keeping costs low: prescreening devices for EMC compliance.

  1. The RE102 test method in MIL-STD-461E required using a 41” rod antenna below 30 MHz with the counterpoise grounded to the ground plane, which called into question the accuracy of the measurement results above the 10 MHz frequency range. To address this, MIL-STD-461F requires that the counterpoise be isolated from the groundplane.
Published in MultiPoint Blog

The FDA has issued final guidance for medical device electromagnetic compatibility (EMC)。  This final guidance document details a number of primary components that are needed from U。S。 manufacturers in order to obtain pre-market clearance or approval for supporting claims of medical device EMC。

Proof of EMC ensures that a device is able to function in its intended environment without introducing excessive electromagnetic disturbance capable of causing electromagnetic interference with other electronically powered devices.  In addition to following existing requirements and testing standards, registrants should include the following information in their applications:

  •         Environment intended for use
  •     Summary of all testing conducted to support EMC claims
  •          List of standards specifications met (including immunity test levels)
  •          Summary of device-specific tests including performance data and pass/fail criteria
  •          Device labeling and supporting documentation of compliance
  •      Details on any changes made to the device for it to pass one or more EMC tests 

It should be noted that additional information may be requested from the FDA Reviewer.  The final guidance document can be found at ““. 

Published in MultiPoint Blog

The FCC has proposed to adopt by reference the requirements of addressing measurement procedures used in the testing of transmitters。 In a Public Notice issued April 1, 2016, the FCC formally requested public comments on its decision to incorporate the requirements of ANSI C63。26-2015, “American National Standard for Compliance Testing of Transmitters Used in License Radio Services,” as part of its effort to update and modernize its rules and procedures for the authorization of radiofrequency devices。

Please contact Rhein Tech directly if you have additional questions or require testing & certification assistance。 703-689-0368

Published in MultiPoint Blog

On April 8, 2016, the FCC published guidance documents on the FCC Pre-Approval Guidance (PAG) procedure, formerly known as the Permit But Ask (PBA) procedure。 provides the current list of devices that are subject to the Pre-Approval Guidance procedure and provides the Pre-Approval Guidance procedures。 The changes to the Pre-Approval Guidance List v16r02 are as follows:

  • Removed requirements to submit PAG samples for UWB devices
  • Clarified EMC simultaneous transmission requirements
  • Clarified confidentiality issues
  • Removed VoLTE HAC but kept VoWiFi
  • Removed signal boosters
  • Removed UNII-1 and Wi-Fi client peer-peer applications

Please contact Rhein Tech directly if you have additional questions or require testing & certification assistance。 703-689-0368

Published in MultiPoint Blog

On May 26, 2016, the FCC's Enforcement Bureau (EB) Enforcement Advisory No。 2016-05, WARNING: FCC Authorized Equipment Must be Used in Compliance with All Laws and Rules Persons or Businesses Using Authorized Equipment In a Manner that Violates Federal Law or the Commission’s Rules Are Subject to Enforcement Action -

Please contact Rhein Tech directly if you have additional questions or require testing & certification assistance。 703-689-0368

Published in MultiPoint Blog

On April 28, 2016, the FCC reaffirmed its decision to create the innovative  in the 3550-3700 MHz (3。5 GHz) band, and took additional steps to finalize the rules。 The FCC established the 3。5 GHz band as an innovation band, where it is breaking down age-old regulatory barriers to create a space for a wide variety of users to coexist by sharing spectrum。

As a result of technological innovations and a focus on spectrum sharing, the FCC was able to open up 100 MHz of spectrum previously unavailable for commercial uses, and added it to the existing commercial spectrum, resulting in a 150 MHz contiguous band. These new rules finalize the framework for the Citizens Broadband Radio Service, providing an opportunity to leverage these new innovations in spectrum licensing and access schemes to meet the needs of a variety of users, simultaneously.

By finalizing the rules, the stage is set for the next steps, including certifying Spectrum Access System Administrators and Environmental Sensing Capability Operators, holding a future auction, and making service in this band a reality.

Please contact Rhein Tech directly if you have additional questions or require testing & certification assistance. 703-689-0368

Published in MultiPoint Blog

FCC – New Import Waiver Guidance

Posted on February 3rd 2020

On February 1, 2016, the FCC published , allowing import quantity limits to be exceeded if written approval is obtained in advance from the FCC Office of Engineering and Technology (OET)。 The waiver request must be submitted online to the FCC well ahead of the date of importation, in order to allow for processing and approval of the waiver if qualified; the waiver request must provide details and justification of the request。

Please contact Rhein Tech directly if you have additional questions or require testing & certification assistance. 703-689-0368

Published in MultiPoint Blog

US – FCC Publishes New Guidance

Posted on February 3rd 2020

On January 6, 2016, the FCC published “.” This document provides basic guidance for intermodulation product spurious emission testing of frequency translating repeater system equipment and similar devices.

Please contact Rhein Tech directly if you have additional questions or require testing & certification assistance. 703-689-0368

Published in MultiPoint Blog

斗地主达人 US – FCC Form 740

Posted on February 3rd 2020

The FCC Office of Engineering and Technology recently issued a to address misconceptions about electronic filing requirements for FCC Form 740 - Statement Regarding the Importation of Radio Frequency Devices Capable of Causing Harmful Interference. Per the Notice, the trade community is to continue to file FCC-required information electronically with U.S. Customs and Border Protection (CBP) via an Automated Commercial Environment (ACE)-Entry Summary, or any other process that may be designated by CBP, until the waiver provision takes effect on July 1, 2016.

Please contact Rhein Tech directly if you have additional questions or require testing & certification assistance. 703-689-0368

Published in MultiPoint Blog
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