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Office of Engineering and Technology Laboratory Division Knowledge Database (KDB)

Welcome to the OET Laboratory Division Knowledge Database (KDB). The FCC Office of Engineering and Technology (OET) publishes equipment authorization procedures and measurement guidance in the form of FCC Public Notices and Knowledge Database (KDB) publications. The staff guidance provided in the KDB is intended to assist the public in following Commission requirements and does not constitute rules. Accordingly, the guidance is not binding on the Commission and will not prevent the Commission from making a different decision in any matter that comes to its attention for resolution.

The Basic KDB Search is a full text search and the Advanced KDB Search allows for input of multiple search criteria. The KDB Publication Number search is a quick search for a specific publication. We hope that your visit is both timely and useful.

Page Index: 

Stay updated on newly published guidance and frequently asked questions by adding this RSS feed to your reader.

Publication Searches:

Basic KDB Search: Enter a text string in the field below. This search scans the Knowledge Database for any publications that include the text entered. Alternative search results can be obtained by using the syntax described by clicking here.
Text search:

Advanced KDB Search: Search for publications that meet one or more identified criteria.

Major Guidance Publications: View publications associated with major guidance categories.

KDB Publication Number Search: Search for a specific publication by entering the publication number:
Publication Number:

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Publications:

Recent KDB Publications:
Publication NumberQuestionAnswer
414788  What are the requirements for test sites used to make radiated emissions measurements? Radiated emission measurements for devices operating under Parts 15, 18, and licensed radio service equipment are required to be performed, to the extent possible, on an open-area test site (OATS). Alternative test sites, such as semi-anechoic chambers...
149045  The topic previously addressed in this KDB Publication is now covered under KDB Publication 414788. The topic previously addressed in this KDB Publication is now covered under KDB Publication 414788.
934285  The topic previously addressed in this KDB Publication is now covered under KDB Publication 414788. The topic previously addressed in this KDB Publication is now covered under KDB Publication 414788.
715555  The topic previously addressed in this KDB Publication is now covered under KDB Publication 414788. The topic previously addressed in this KDB Publication is now covered under KDB Publication 414788.
704992  The topic previously addressed in this KDB Publication is now covered under KDB Publication 414788. The topic previously addressed in this KDB Publication is now covered under KDB Publication 414788.
823311  The topic previously addressed in this KDB Publication is now covered under KDB Publication 414788. The topic previously addressed in this KDB Publication is now covered under KDB Publication 414788.
937606  The topic previously addressed in this KDB Publication is now covered under KDB Publication 414788. The topic previously addressed in this KDB Publication is now covered under KDB Publication 414788.
913591  What is the procedure for making band-edge measurements for a Part 15 intentional radiator? Measurement procedures for band-edge testing are provided in Subclause 6.10 of ANSI Standard C63.10-2013.
558074  What are the test procedures for measuring Digital Transmission System (DTS) devices subject to the requirements in Section 15.247? Test procedures for measuring Digital Transmission System (DTS) are provided in the attachment 558074 D01 DTS Meas Guidance v04 and in Clause 11 of ANSI C63.10-2013. The publication version 558074 D01 DTS Meas Guidance v03 was used in the development ...
268277  The topic previously addressed in this KDB Publication is now covered under KDB Publication 353028.  The topic previously addressed in this KDB Publication is now covered under KDB Publication 353028.
622265  The topic previously addressed in this KDB Publication is now covered under KDB Publication 353028. The topic previously addressed in this KDB Publication is now covered under KDB Publication 353028.
144180  The topic previously addressed in this KDB Publication is now covered under KDB Publication 353028 The topic previously addressed in this KDB Publication is now covered under KDB Publication 353028
450420  The topic previously addressed in this KDB Publication is now covered under KDB Publication 353028. The topic previously addressed in this KDB Publication is now covered under KDB Publication 353028.
239743  The topic previously addressed in this KDB Publication is now covered under KDB Publication 353028.  The topic previously addressed in this KDB Publication is now covered under KDB Publication 353028.
817132  The topic previously addressed in this KDB Publication is now covered under KDB Publication 353028. The topic previously addressed in this KDB Publication is now covered under KDB Publication 353028.
963678  The topic previously addressed in this KDB Publication is now covered under KDB Publication 353028. The topic previously addressed in this KDB Publication is now covered under KDB Publication 353028.
816806  The topic previously addressed in this KDB Publication is now covered under KDB Publication 353028. The topic previously addressed in this KDB Publication is now covered under KDB Publication 353028.
189073  The topic previously addressed in this KDB Publication is now covered under KDB Publication 353028. The topic previously addressed in this KDB Publication is now covered under KDB Publication 353028.
420149  The topic previously addressed in this KDB Publication is now covered under KDB Publication 353028. The topic previously addressed in this KDB Publication is now covered under KDB Publication 353028.
353028  What are the requirements for antennas used with intentional radiators authorized under Part 15?  The attachment 353028 D01 Antennas Part 15 Transmitters v01 summarizes the equipment authorization policies and rules for antennas used with part 15 intentional radiator (transmitter) devices.


Recent Guidelines and Interpretations:

Posted on Apr 28 2009 3:02PM:

Updates will be forthcoming.

Important Notes:


Inquiry Responses and Publications: FCC staff publications and replies to inquiries from the KDB are based on one or more of the following criteria:

1. Responses that the FCC staff have given to prior inquiries.
2. Staff guidance of the Commission's rules and policies.
3. Prior staff practices

The KDB publications regarding measurement procedures constitute staff guidance only and do not necessarily represent the only acceptable methods for measuring RF emissions. Nor are these guidelines binding on the Commission or any interested party.

Stay updated on newly published guidance and frequently asked questions by adding this RSS feed to your reader.

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