It doesn't sound like he's trying to get out of testing; rather, he's
device to testing. Additionally, it might be neat if he could
basically do the RF equivalent of continuous integration. Eventually
to spend money at this time.
reports for similar products.
Post by Andrew RichSo basically your trying to save some dollars and get out of testing
Sent from my iPhone
Post by Sergey IvanovWhat do you mean by a radio stack?
Many modules that implement various radio protocols run software on a
captive microprocessor. That software implements the protocol and drives the
radio electronics. For example TI offers firmware that runs on the processor
inside their CC3000 series chips that implement the Bluetooth protocols. If
a project uses their software in this chip, it can take advantage of TI's
http://processors.wiki.ti.com/index.php/CC3000_Product_Certification) which
saves time and effort.
For Part 15 certification (unintended emissions) you need to get a
certificate from a testing laboratory that is certified by the FCC. They
will put your product in a chamber that absorbs all RF with a wide band
detector and spectrum analyzer. The will detect all of the unintended
emissions and chart them in frequency and dBm. You take their report and a
certification that you aren't going to change the design, and submit that to
the FCC and they will give you a certification ID.
Note that the FCC won't accept your testing, they only accept a certified
lab's test results.
--Chuck
Post by Sergey IvanovThank you Chuck!
I'll check this out. What do you mean by a radio stack?
For now my plan is to use pre-certified modules so that my board will be
certified as an unintentional radiator, which is thousands of $.
But I still need to prove that the board doesn't emit Electro Magnetic
Field above allowed.
Post by Chuck McManisI am not sure exactly what you are asking.
If you want to get FCC certification for your device, there is a process
https://www.fcc.gov/engineering-technology/laboratory-division/general/equipment-authorization
That pretty much outlines the steps. If you are using a manufacturer
supplied radio stack you may be able to leverage their certification but if
you wrote your own stack you will need to do the authorization
independently. There are a number of consultancies in the US who will handle
the process for you (for a fee of course). A long time ago (2006) I was on a
project that needed such certification and the vendor hired charged $50,000
and it took four months to complete. They did all the required paperwork and
followed up on all of the questions the FCC had, they also flew out an
engineer to an FCC certified test facility to get the verification tests
done. (I live in the San Francisco bay area and the FCC testing facilities
around here are typically reserved months, if not years, in advance it
seems).
--Chuck
Post by Sergey IvanovIs there someone who did this or similar task before?
Any specific suggestions?
You can do what ever you like as long as you understand the rules for a
licence and GNU Radio
Andrew
Hi All!
I have a product which uses nRF24L01+ 2.4 GHz modules for
communication. Now we have plans to go to North America market, and I am not
sure if my Chinese nRF modules can pass FCC test. If they can't, then I need
to re-design my PCB (now I use 2 layers logic board and nRF on a socket).
Can I use HackRF to imitate FCC test on my workbench?
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Best Regards,
Sergey Ivanov
+7 910 424 9895
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Best Regards,
Sergey Ivanov
+7 910 424 9895
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