Questions tagged [fcc]

is the Federal Communications Commission and regulates the RF spectrum, broadband and public safety.

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Are RF shields necessary?

I see that some wireless devices like Bluetooth speakers don't use shields like this one but some do. My understanding of FCC Part 15 is that only modules need shields. So how come some devices use ...
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4 votes
4 answers
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FCC regulations for induction furnace

I was looking at getting an induction furnace for home/experimental use, and I just don't understand how these devices can operate within FCC limits. Dumping several kilowatts into an unshielded coil ...
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3 votes
1 answer
166 views

FCC's allowable margin of error

Below is taken from the test report for FCC Part 15 for a Bluetooth module: The heading says "2402Mhz", but the marker shows 2401.9772MHz. It's 23kHz off. However, does FCC permit this kind of ...
3 votes
1 answer
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FCC labeling for exempted product (test equipment)

Thinking to start selling my widget and pondering these questions.. I have understood that there's no labeling needed for "A digital device used exclusively as industrial, commercial, or medical test ...
3 votes
1 answer
677 views

ESD - SMA connector

Suppose I have PCB in metal chassis with 2 SMA connectors mounted on it. Let's say they are used for GSM and GPS. How to protect against ESD and successfully pas FCC/CE? I couldn't find any TVS ...
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1 answer
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FCC Per Unit Factory Test For Intentional Radiators

Can someone clarify if each unit for an intentional radiator must perform factory emission testing or is this only required for a one time tst in an approved test lab? Is this tied to a specific ...
1 vote
1 answer
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If my product uses a certified RF transmitter, is it treated specially by the FCC?

So I have a product. It uses the Particle P1 as the microcontroller and WiFi RF setup (with onboard antenna), which is pre-FCC certified; it has a ("Contains Transmitter") FCC ID that you put on the ...
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8 votes
1 answer
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ISM band rules for spread-spectrum: how much do I need to spread?

I'm doing a preliminary study for a 5.8 GHz ISM band data downlink for a cube satellite. I know that spread-spectrum is mandatory for ISM, but the FCC rules seem pretty opaque on how much I need to ...
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8 votes
1 answer
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How to find out which certificates (FCC, CE etc.) are necessary for a product?

Is there any way to find out which certificates are necessary for an electronic device to be sold / imported into US / Europe / Asia? FCC and CE are common knowledge, but then there are other ...
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1 answer
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Walk-in EMC testing a Bluetooth speaker

I'm hoping to see if my Bluetooth speaker could pass FCC Part 15. No certification is needed at this point - just to purely see if it'd pass when it becomes ready for certification. I believe this is ...
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3 votes
1 answer
643 views

Don't RF devices need to be shielded to pass FCC?

I'm looking at this device. Internally, the Bluetooth chip isn't shielded but it still seems to have passed FCC. Addition to that, there was no Modular Approval Request Letter, which typically ...
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2 votes
1 answer
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Could FCC-unapproved RF devices still be used legally?

If my reading is correct, FCC allows the use of RF devices that are unapproved. One condition is that it is used for the purpose of Evaluation of performance and determination of customer ...
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1 vote
0 answers
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How to locate FCC ID of a bluetooth device

I'm trying to find the FCC ID for a super common bluetooth trigger, the one used on all the selfie sticks. I went through each manufacturer name I saw on Alibaba and input their company names into ...
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1 answer
1k views

CE and FCC compliance

I was browsing and found some very informative answers on this site. They didn't specifically answer my question, so I decided to Register and ask ... We are importing digital cameras from Europe. ...
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6 votes
2 answers
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How can one verify if the FCC/CE certification mark on an electronic component or product is genuine?

Some companies can be unscrupulous and simply paste a label to fake FCC CE. How can one be sure the label is real? Is there a website for checking the validity of the FCC CE mark?
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4 votes
1 answer
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How to ensure a RF module is indeed FCC compliant as advertised?

Suppose a buyer buys RF modules from China and wants to ascertain that they're indeed FCC compliant as advertised. I'm guessing that this should be a fairly common issue since Chinese manufacturers/...
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0 votes
2 answers
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Could the metal shield on radio modules be tampered with?

I see that most radio modules have a metal shield. Is it for keeping the radio waves inside? If so, could a shield be too thick for its purpose? For instance, if one solders another piece of metal ...
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5 votes
2 answers
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Must FCC-certified modules be labelled with the correct FCC ID?

The manufacturer of this radio module I bought claims that it's FCC certified, but there's no FCC ID on it (though there is the FCC logo). If the final product is to be FCC tested, would it then be ...
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4 votes
3 answers
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FCC certification for nrf24l01+

Is nrf24l01+ from Nordic Semiconductors FCC certified ? It is hard to find out from their datasheet whether FCC approved ? Is it FCC approved ? If it is approved and I use it in my PCB and control it ...
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2 answers
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915 MHz FCC Certification

This question has been asked multiple times but I don't see anyone quoting hard evidence. This link states that all devices that oscillate above 9 kHz need to undergo certification. (I would leave a ...
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2 answers
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802.11 Channel Use Regs

With a 5.8 Ghz WLAN device, operating in the upper UNIII band of 5745-5825 MHz... Is it required that, if the device is using a standard 20 MHz-wide 802.11 channel, that you can only be centered on ...
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1 answer
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280LM Led Headlamp needs FCC certificate?

Do I need FCC certification for my 280LM Led Headlamp with 1800MAH Lithium battery which is rechargeable only via USB? More details: Watts out: 3W Lithium-ion Cells: 103450 Energy Content:1800Mah ...
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1 answer
353 views

FCC Certification of same electronics in a different size enclosure

FCC Certification: I already obtained FCC Certification and Labels for a product. My question is: Do I need to apply for certification for a product which has the same electronics inside but the ...
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9 votes
2 answers
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Kickstarter electronics and local regulations

There are some electronics projects on Kickstarter. For being successfull, they offer buying the product worldwide. I wonder how they are able to comply with all the local regulations, for example CE,...
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1 answer
250 views

Car electronic accessories [closed]

I want to design a computer vision device that will act as a "driving assistant". The device will improve driving safety by acoustically or visually alerting the driver of certain hazardous situations ...
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4 votes
1 answer
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We have 2 variants of device which differ only by battery. Shall we pass FCC separate FCC certification for every of them?

We developed a BT4LE device which is being shipped in two variants. They are the same except for battery variant. Is it possible for us to pass one FCC certification so that it is valid for both ...
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2 votes
1 answer
665 views

Clarification about FCC exemption for subassemblies

please kindly help me understand the "subassembly" exemption of the Part 15 certification requirements regarding intentional radiators. I want to produce and sell a MCU board which includes wireless ...
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1 answer
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FCC certification process for Part 15 [duplicate]

I want to take FCC certification for my product which comes under "Part 15" (Unintentional Product). What tests are necessary for that? Please suggest me some document so that I can refer it and ...
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1 answer
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Designing a bluetooth 4 low energy device - what needs to be taken into account for future FCC and CE certifications

We are designing a BT4LE device based on Nordic chipset with chip antenna. The question is how can we understand is it required to put the chipset into an RF shield or not? I've seen some BT4LE ...
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8 votes
2 answers
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EMC testing of unenclosed PCB assembly

What is the most common practice in performing EMC tests for PCB assemblies that will be sold without a housing? In my case it is an FPGA development board. Is it possible to design excessive ...
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8 votes
3 answers
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What Regulatory Requirements are Really Necessary for Sale in the USA?

I understand that unless you fall into some specific product categories that are exempt from FCC regulations, electronic products sold in the US are legally required to meet FCC EMC limits. However, ...
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5 votes
1 answer
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Bringing compiled device to market (and how to power)

(Preemptive apology if this is the wrong place to ask; pointers to the right place appreciated) I've thrown together a device using a Raspberry-pi, touchscreen (plugs into pi) and small monitor ...
1 vote
1 answer
636 views

Loudspeaker transducer FCC certification?

Is FCC certification necessary for speaker transducers that are sold as assembled units in their housings? I found information on active speakers needing fcc certification, but what about passive ...
3 votes
1 answer
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finding rf 175 Mhz harmonic source

I have a device that I am pre testing to find possible issues with unintentional rf radation. The processor is a pic32 running at 80MHz, and is connected to a ti dp83848 ethernet phy in mii mode ...
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7 votes
3 answers
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Can anyone locate specs on this wifi module?

This little module was liberated from a Canon wifi enabled printer that decided not to work anymore. It appears to bear the label "Product Number: K30306" at the upper left, which naturally was the ...
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2 votes
1 answer
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Do I need FCC certification to sell if my device uses ISM bands?

I have made a portable xbee-like transceiver. The system will be operating at 2.44000GHz (RX) and 2.46000GHz (TX). The TX power to the antenna is well underneath +30dBm; the EIRP is also less than +...
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3 votes
2 answers
502 views

FCC verification and analyzer choice

I am in the design stage of a control surface that controls a remote audio DSP through ethernet. My plan is to target FCC 15 class A. The processor is a pic32 running at 80mhz. First question, what ...
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4 votes
1 answer
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Does audio powered LED light with low tension require CE/FCC certificate?

I am building an LED light that plugs into the audio jack of a mobile device and is powered by the 3.5mm audio plug of the smartphone. The LED works at very low tension and with audio frequencies ...
0 votes
1 answer
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How is (non-interfering) data communication possible over the tv spectrum? What is the technology used?

I've heard that FCC-US (Federal Communication Commission - United States) has approved the free usage of TV spectrum for wireless communication. How is it possible to enable such data communication ...
2 votes
2 answers
464 views

FCC labeling rules - repackaged tablet

I am considering taking a commercial available, FCC certified tablet (with 802.11 b/g/n) and packaging it in a plastic "clamshell" with an additional battery to prolong run time for a specialized ...
1 vote
0 answers
127 views

FCC Pre-Certification Testing [duplicate]

Possible Duplicate: FCC and CE Testing / Failure Resolution I am looking to do some pre-certification on several boards. I know several members here are quite experienced in this area. I would ...
29 votes
3 answers
4k views

FCC and CE Testing / Failure Resolution

I'm seriously thinking about (practically committed to) taking one of my products through FCC and EC testing and it's my first time doing so. It's Arduino based electronics running off a 16MHz crystal ...
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3 votes
2 answers
428 views

Product design requirements to pass FCC regulations

I've been spending a lot of time looking at 47 CRF 15, and specifically .231, and I don't understand how these limits are possible for many products. I'm designing a remote control for a product that ...
5 votes
2 answers
970 views

Why does my SSD have an FCC logo on it?

I just got my first SSD and on the back of it there are the common RoHS and No Trash logos but there is also an FCC logo. Why would the FCC logo be on my SSD if it doesn't have any wireless radios ...
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24 votes
2 answers
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FCC part 15 "must accept interference from other sources": what does this mean?

I've googled around a bit and here are the interpretations I've found in non-authoritative sources: that the device is unable to filter out interference caused by other certified equipment that if ...
10 votes
3 answers
12k views

How do you determine whether your product requires CE marking?

I haven't been able to come across definitive information regarding the procedure to find out whether an electronics product (PCB) requires CE marking or not. Since it is difficult to ask ...
5 votes
2 answers
8k views

434MHz PCB Trace Antenna Design

Can anyone provide a reference design for a 434 MHz PCB Trace Antenna? Is it just a matter of creating a snake trace pattern about 17cm long and slapping a ground plane under it (with a trace ...
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1 vote
1 answer
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'Contains FCC ID' compare to just 'FCC'. Certificate of conformity

I wanted to get FCC certification for my device. The device uses WIFI module (FCC approved). The testing house said the test will leverage on the WIFI module FCC test. Instead of getting FCC ...
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2 votes
1 answer
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Does a RFID antenna need to be FCC certified?

Being a RFID UHF antenna a "passive" element does it need to be FCC certified? Or, we just need to have the RFID UHF reader certified?
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2 answers
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How to know a device is FCC certified?

How can I know an electronic device has been passed FCC test?
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