Questions tagged [fcc]
FCC is the Federal Communications Commission, an independent agency of the United States federal government. It regulates the RF spectrum, broadband, and public safety.
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FCC / CE requirements for adapter pcb?
A product consisting (electronically) just of a PCB with a male USB-C one one side, 5mm of traces and a female USB-C on the other end. No other components at all. To be used as consumer device.
How ...
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Can the Olimex ESP32-EVB be used in a commercial application?
My friend and I are very near a final product design, but we currently are using an Olimex ESP32-EVB relay module as part of the final system.
Recently we were told by a consultant that the FCC could ...
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FCC/ETSI conformance with backscatter
Do passive backscatter devices fall under regulations of FCC/ETSI?
Suppose a system emits a 4W EIRP tone in the ISM band (conforming to FCC/ETSI regulations). A fully passive device backscatters data ...
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Do I need to recertify a product if I add a DC to DC converter?
I have a product that has been FCC verified as an unintentional radiator, I have fixed a problem with the power that required a DC to DC converter that operates in the 100kHz to 300kHz range (added to ...
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Self Certifying for FCC testing
I have been tasked by my current employer to look into the costs of self certifying. With past companies I have worked for, all of the tests were at a 3rd party lab. The closest thing I have seen to ...
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FCC certified module with uncertified antenna: technical or legal issue?
Say I have a consumer device that uses a pre-certified WiFi module. As I understand it, radio modules are certified with a fixed set of antenna choices that were included as part of the module's ...
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Pi Filter Option
I put a (C-L-C) Pi Filter in series with my antenna trace on a new design, like so:
source
The reason you put one of these circuits in, as I understand it, is just in case, during compliance ...
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ESP32 FCC Certification
I want to build an esp32 device using the esp32-pico-d4 chip that I will sell to hobbyists.
However, I recently came across something called the FCC. It requires radio devices to get certified which ...
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FCC EIRP test results different than other countries
We have an issue with regulatory testing where our lab reported EIRP varies significantly between separate labs who have tested for FCC and another country. The test methods are quite different. The ...
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Why are "devices utilized exclusively in any transportation vehicle" exempted from FCC compliance testing?
I was researching whether do we need to do FCC compliance testing for a device we developed for a client. Curiously, it seems to be in the list of exemptions (passage taken from here):
A digital ...
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Can we install product above FCC test power level declared in certification report
we have a product which has radio of 1W maximum output power , we have sent product for FCC through party lab, and they certified the product with 18 dbm only.
So we get the certificate with only 18 ...
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Viable alternative for expensive MLCC capacitor?
I'm thinking of building and selling a product which uses a DC-DC isolator. I've been prototyping with Recom RI3 3W Isolated DC-DC Converter Through Hole, Vin 5 V dc, Vout 9V dc, I/O isolation 1kV. ...
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Simplest option for generating audio tones?
I'm looking for the simplest way to generate audio tones. Something like a square or sine wave, but I want multiple tone options. For example, two quick beeps, one at 440Hz, one at 1Khz. The tones ...
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Disable RC oscillator in ATmega328 for FCC compliance
With respect to the topic below, I was trying to find where in the AVR documentation does it say the 8 MHz RC internal oscillator is "disabled" when CKSEL is selected to a different source? I am ...
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EN 300 328 CE radio certification with power limit
We have developed product for Malesia country, where we need local SIRIM certificate.
RF module we used in our product is 2.4Ghz wifi mesh, with max 30dbm (1 watt) output power capacity.
To get ...
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WiFi/BT on Realtek 8723 - Is FCC, CE certification needed for WiFi if we disable WiFi and use only Bluetooth?
I'm planning on importing a generic mini pc that comes with an onboard Realtek 8723 for WiFi and Bluetooth. We will need to get it FCC, CE, and IC certified before we sell it in North America/EU.
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FCC Re-certification if the brand name and outer casing changed?
I'm considering importing Wifi enabled electronics that are FCC and CE certified by the manufacturer in China. We will sell them in US/Europe under our company name (no mention of OEM). Does the FCC ...
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EMC Testing, Radiated Emissions
I recently had one of my new rechargeable Lithium Ion products tested (RE pre-compliance scan) and I had a few frequencies (around 150 MHz) pop (7-10 dBuV/m) above the FCC and CISPR limits.
I'm not ...
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Do the FCC's regulations make any sense?
I have read on the following page that the maximum permissible exposure MPE standard FCC have is 1 mW/cm2 for RF wave above 1500 MHz for general population.
http://www.rfcafe.com/references/electrical/...
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Legal to use non FCC-approved radio devices purchased locally?
Does anyone know if it's legal to use non FCC-approved radio devices which are purchased locally? For instance, if the device is purchased from a local eBay seller, is it still legal to use it in any ...
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FCC verification for PCB business card?
FCC regulations apply to unintentional radiator devices, but provide exceptions for subassemblies, including this one:
CPU boards, as defined in §15.3(bb), other than those used in personal computers,...
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Do I need to get a device certified by the FCC if it uses the ESP32/8266? [duplicate]
I plan on making a device that the user can control with their phone via a WiFi connection to an ESP8266 or ESP32. If I end up selling this device, will I need to get it certified?
The ESP32/8266 has ...
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Compliance Testing Strategies
How do people / companies deal with compliance testing (CE, UL, FCC, etc.) what I would call "platform-oriented and modular" products?
The idea being that a family of products might exist, where a ...
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Can you reuse FCC certification from a pre-certified RF chip and antenna for a new product?
I am in the process of designing a board that turns a Gameboy into a Bluetooth controller. Due to size constraints, I would like to use the ESP32-PICO-D4 standalone chip by Espressif instead of one of ...
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FCC Co-Location of antennas
I am looking at creating a device within regulations for a medical environment with two Txing antennas, BLE (cypress FCC certified module) and 915MHz ST Spirit1 FCC certified module.
I have found ...
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I cant seem to figure out FCC or any testing for that matter
this website has a wealth of information and after browsing for quite a while I cant seem to answer my question. I am interested in selling an LED PCB light in the US. It operates on 24v1amp DC ...
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Arduino Cellular Shield EMC Testing for FCC
I have designed an Arduino shield that uses an FCC pre-certified and PTCRB cellular module and I'm wondering about EMC testing and FCC compliance. However, the main concern here is that I am using a ...
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Designing an electronic product for the american market, need to find a DC to DC converter with FCC certification [closed]
Can someone please explain the basics of FCC certification for electronic products, my boss has just dropped this task on me to find a fcc approved dc to dc converter for our product .
Does FCC only ...
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Using Pre-Certified (FCC) Emitter - do I need unintentional transmission testing?
I'm making a device - a keyboard - that uses a pre-certified RF module. I host this device on my custom PCB, and have programmed it to receive the keystrokes (from switches on the host PCB) and ...
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FCC Part 15 Class B Declaration of Conformity (DoC)
I'm familiar with Part 15 FCC testing for intentional radiators (3 meter limits of certain power, must be filed with FCC, requires accredited lab), but I'm a little unclear on the Class B ...
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How much interference is allowed to pass FCC verification testing?
I have a small electronic device that I'm considering bringing to market. It doesn't have any features like wifi or bluetooth, so one of the prerequisite steps before I can sell it is to ensure it ...
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Does my Arduino-based device need FCC certification?
I've built a small consumer device that contains an Arduino Nano. It's coupled to a custom daughter board that allows it to pulse a 12V electromagnet at about 1 hertz as well as inteface to some ...
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Measuring Peak Output Power for Frequency Hopping Transmitter (915MHz) for FCC Section 15.247
I've been looking at building a ~900MHz frequency hopping transmitter that conforms to FCC Section 15.247.
See section 3.2.1 Frequency Hopping Spread Spectrum Requirements in the Semtech document ...
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Sequencing modes for FCC "Intentional Radiator" test
I'm FCC certifying as an "intentional radiator" a product that uses a custom antenna and off the shelf Broadcom WiFi module. The module has an antenna port, so single-modular and limited single-...
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Why does four Apple Model Numbers (A1457, A1518, A1528 & A1530) have two FCC IDs (BCG‑E2643A & BCG‑E2643B) [closed]
These are model Numbers of iPhone 5S.
I want to know why two Model numbers of iPhones have the same FCC ID?
I am assuming that as they are two models, they are NOT the same for Apple yet they have the ...
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Is FCC certification needed for receiver device?
Is FCC certification needed for product acting as receiver but having transceiver chip inside? or there should specifically be a receiver only chip inside in order to bypass complicated certification ...
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What unlicensed frequencies can (or should) be used for proprietary wireless communication? [closed]
I can see that most of the gadgets that use proprietary protocols use 433MHz, 915MHz, or 2.45GHz, but I don't understand why. 433MHz is highly regulated in the US and 915MHz can not be used in Europe. ...
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ETSI EN 300 220-1 868MHz frequency precision
I'm trying to read the ETSI standard regarding my 868MHz transmitter design.
I would like to transmit in one of the channelized bands ex. (868.600 to 868.700), which has a demand on 25KHz channel ...
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Intentional RF emitter failing unintentional emission test?
Suppose a commercial product uses a FCC pre-certified WiFi module. If the quality is not consistent throughout the batch, I'd guess some pre-certified modules may produce unacceptable emissions. In ...
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Is it fine to use 2.4 GHz nRF24l01 modules in commercial products under FCC rules? [closed]
I want to use nRF24l01 modules commercially. But, at the same time, I am aware of some of the FCC rules. I am just curious if someone knows about the regulation and could help me in this. I found this ...
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Is a board with on-board radio disabled an unintentional/intentional radiator?
If a board with the onboard radio (e.g., Bluetooth) chip disabled by software using a jumper, would it be considered to be an intentional or unintentional radiator? That is, the onboard radio can be ...
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Radiation susceptibility test circuit
I am looking to set up a test jig to test radiation susceptibility. This is to do a small in house test to check if my board is susceptible to radiation.
The tests frequencies are the standard test ...
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Can I run custom firmware on a pre-certified RF module without needing to redo full FCC certification?
I need BLE connectivity in a product, so to save costs on FCC certification, Bluetooth SIG membership, etc. it will use a pre-certified module for this purpose.
Usually such modules work in one or ...
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Do electronic devices like a servo motor need a certification to be sold in the US market?
We want to start a crowd funding project for our IoT servomotor. It comes with an integrated controller and an ethernet connection (no wireless) and now we are not sure about certifications (FCC, RoHS,...
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FCC Requirement for device to device output power variability?
I'm working on a BLE capable device using the Nordic Semiconductor nRF52 SoC, and we're going to have to go through FCC testing. But one thing that I am not clear on, at all, is the tolerance in ...
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FCC approval and quantity
I see that often commercial radio devices go through EMC tests and attain FCC approval. Do all commercial radio devices need to be approved by the FCC though? According to this:
The radio frequency ...
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How do I cycle a WiFi transmitter through all modes, for FCC intentional radiator EMC testing?
I'm integrating a WiFi/Bluetooth module into a consumer product, however
the module does not have a modular grant, will not have a modular grant, and is anyway getting paired with a unique internal ...
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Workaround for the obsolete ATTINY15 1.5Mhz clock for FCC exemption?
The ATTINY15's was ideal for designing FCC Part 15 exempt battery powered products since its 1.6Mhz internal RC clock ran just below the 1.705Mhz cut-off.
The ATTINY2/4/85 replacement parts come with ...
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If I made a commercial product that utilized radio waves, which frequencies could I use?
Let's say, hypothetically, that I design some product that uses radio communication. Maybe something like a wireless lock. Or a scanner that tells you if a tag is near (in range of a few feet). Or a ...
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FCC certification for multiple transmitters
Need help in understanding FCC certification for a IoT device with a Bluetooth module and a WiFi module.
The Bluetooth has its own FCC ID, so does WiFi. Both are certified to be modular FCC ...
