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FCC Part 15 Radio Frequency Devices
Section 15.217

The Federal Communications Commission (FCC) is the authority in the United States of America that creates and enforces the use of airwaves throughout the entire radio frequency spectrum. This group of documents contains the entirety of the FCC Part 15 regulations that concern unlicensed radio frequency devices. As with all government documents, this material is in the public domain and may be freely copied so long as the content is not changed. This copy is provided as a convenience for RF Cafe visitors. 

Click here for the Table of Contents.

 
[Code of Federal Regulations]
[Title 47, Volume 1]
[Revised as of October 1, 2008]
From the U.S. Government Printing Office via GPO Access
[CITE: 47CFR15.217]
[Page 809]
 
                       TITLE 47--TELECOMMUNICATION
 
              CHAPTER I--FEDERAL COMMUNICATIONS COMMISSION
 
PART 15_RADIO FREQUENCY DEVICES--Table of Contents
 
                     Subpart C_Intentional Radiators
 
Sec. 15.217  Operation in the band 160-190 kHz.
    (a) The total input power to the final radio frequency stage 
(exclusive of filament or heater power) shall not exceed one watt.
    (b) The total length of the transmission line, antenna, and ground 
lead (if used) shall not exceed 15 meters.
    (c) All emissions below 160 kHz or above 190 kHz shall be attenuated 
at least 20 dB below the level of the unmodulated carrier. Determination 
of compliance with the 20 dB attenuation specification may be based on 
measurements at the intentional radiator's antenna output terminal 
unless the intentional radiator uses a permanently attached antenna, in 
which case compliance shall be demonstrated by measuring the radiated 
emissions.



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