A company was caught providing the FCC one thing to get part 15 certification,
then selling something else.
This involves 433 MHz which most hams probably don't care about, but it reveals
what goes on, and I'm sure
the exact same thing is done with junk radiating all over HF. The device in
question was an unlicensed Part 15
intentional radiator, but no doubt the same kind of fraud occurs with
"unintentional radiators" like touch lamps
and switching power supplies that bear the "Part 15 certification" label. In
fact, hams examining some RFI-producing
consumer electronic junk have reported blank holes in the circuit boards where
the RF filtering components were
supposed to go.
"...Prior to marketing the Big Drops System, EnerTrac submitted relevant
information and a sample device to the
FCC’s Office of Engineering and Technology (OET). The OET certified the
device as being in compliance with
Part 15 rules.
In July 2012, however, the FCC received a complaint that the Big Drops System
was not operating within the
terms of its authorization. The Commission issued a Letter of Inquiry to
EnerTrac relating to the system’s
compliance with Part 15. Responding to the inquiry, EnerTrac reminded the FCC
that the 433 MHz
Big Drops System had been tested for compliance with Part 15 rules and had
been certified by the FCC.
The OET tested the system, however, and determined that it exceeded Part 15
emission limits, suggesting
that there may have been differences between the unit tested for
certification purposes and the version that
EnerTrac marketed..."
http://www.arrl.org/news/fcc-and-manufacturer-conclude-consent-decree-on-marketing-of-noncompliant-device
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