Re: [PSES] Antenna Colocation test

[Schroeder, Ian]

A US only digital device product desires to incorporate various FCC Certified 
modules that can all transmit simultaneously.
All modules are certified as single modular with grant notes stating "no 
co-location".
All modules will be used in accordance with their grant notes except for 
co-location to other transmitters.
What FCC Authorization method should be used for the product, SDoC or 
Certification?

Is co-location testing of the host the same as FCC 15B testing of the digital 
device?
If during co-location testing there are signals related to the product digital 
device portion and not any transmitter (as verified by turning all radios off 
and disabling their communication path) what limit shall apply?
Transmitter spurious limits (say the least/most restrictive) or general 15B 
limits (A/B depending on product type)?

Ian

From: Charlie Blackham [mailto:char...@sulisconsultants.com]
Sent: Tuesday, November 27, 2018 12:58 PM
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] Antenna Colocation test


 This message originated outside of DISH and was sent by: 
owner-emc-p...@listserv.ieee.org
The RSE requirements are detailed in §2.947(f)

A composite system is a system that incorporates different devices contained 
either in a single enclosure or in separate enclosures connected by wire or 
cable. If the individual devices in a composite system are subject to different 
technical standards, each such device must comply with its specific standards. 
In no event may the measured emissions of the composite system exceed the 
highest level permitted for an individual component. Testing for compliance 
with the different standards shall be performed with all of the devices in the 
system functioning. If the composite system incorporates more than one antenna 
or other radiating source and these radiating sources are designed to emit at 
the same time, measurements of conducted and radiated emissions shall be 
performed with all radiating sources that are to be employed emitting.

So a part 15 device needs to comply with part 15, and a part 22 device with 
part 22, etc.

I interpret the clause that I underlined as saying that an intermodulation 
product, it would "only" need to comply with the more relaxed limit of the two 
rule parts for the two transmitters that created it.
Now, the engineer in me says that you should fix your design if you're creating 
intermodulation products, but I'm not sure this is address specifically in any 
rule or KDB

Consideration of simultaneous transmissions for SAR are separate and covered 
under SAR KDBs

Charlie

Charlie Blackham
Sulis Consultants Ltd
Tel: +44 (0)7946 624317
Web: 
www.sulisconsultants.com
Registered in England and Wales, number 05466247

From: Grasso, Charles mailto:charles.gra...@dish.com>>
Sent: 27 November 2018 19:14
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: [PSES] Antenna Colocation test

Hi - For an FCC product with multiple xmtrs  a colocation test is required 
(<20cms).

What standard are applied for the RE test? 15.209?

Charles Grasso
W: 303-706-5467

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[PSES] FCC 15.203 Examples

[Schroeder, Ian]

Hello-
I am aware that the FCC requires use of a unique connector for consumer 
products with detachable antennas and I have read their guidance on the matter.
However I still see consumer products on the market with RP-SMA connectors and 
wonder how that is possible since that connector style is considered 
commercially available per the FCC's guidance.

I am curious if anyone would be willing to share examples of unique connectors 
they have successfully taken through recent FCC Certification.
Or provide any other knowledge on use of commercially available "unique-ish" 
connectors like RP-SMA.

Thanks

Ian Schroeder

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Re: [PSES] Mandatory NRTL certification

[Schroeder, Ian]

John, would you happen to have a link to that survey?

Ian Schroeder
Regulatory Compliance Engineer
Echostar Technologies L.L.C.

From: emc-p...@ieee.org [mailto:emc-p...@ieee.org] On Behalf Of Tyra, John
Sent: Friday, January 06, 2012 7:34 AM
To: 'Ron Wellman'; 'peterh...@aol.com'; 'emc-pstc@listserv.ieee.org'
Subject: RE: Mandatory NRTL certification

While there are no Federal laws requiring NRTL certification and marking of 
electronic products there are laws in 16 States which require an NRTL mark for 
mains connected electronic products...and laws in 4 other States which specify 
consumer products only. CEA commissioned a State survey, which was updated in 
2010, which outlines the legal requirement or lack of for all 50 
States...

From: emc-p...@ieee.org [mailto:emc-p...@ieee.org] On Behalf Of Ron Wellman
Sent: Thursday, January 05, 2012 11:49 PM
To: peterh...@aol.com; EMC-PSTC@LISTSERV.IEEE.ORG
Subject: RE: Mandatory NRTL certification

NRTL certification/listing is not mandatory for product Manufacturers. This is 
a Customer driven requirement so your Customers can comply with local OSHA 
requirements. If you don't want to list or certify your product that's really a 
Marketing call. Also, it is my experience that most large Companies require 
third party approvals as a condition of sale. Therefore, unless you want to be 
reactive to Customer sales I would make sure your Marketing people understand 
the risk of losing a sale if your product is not certified/listed by an NRTL.

Best regards,
Ron Wellman

From: emc-p...@ieee.org [mailto:emc-p...@ieee.org] On Behalf Of 
peterh...@aol.com
Sent: Thursday, January 05, 2012 5:41 PM
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Mandatory NRTL certification

Hello All,

Today a colleague asked me a question as to why do we need NRTL certification 
such as UL or CSA on any product in the US. I thought this was a good and 
logical question and the way I answered it was that to the best of my 
knowledge, OSHA requires that any products that is used in work place to be 
safe and to have been certified by one of the NRTL labs. Would you say that is 
a correct answer?

Thank you
Peter
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[PSES] Canada/IC Import Restrictions Compared to US/FCC

[Schroeder, Ian]

Hello All-
I am looking for information regarding any import restrictions Canada/IC may 
have that are similar to the US/FCC rules from Part 2.
Specifically the importation of devices that are not fully tested or certified 
but will not be offered for sale (ex: fill the local warehouse in preparation 
of distribution and sale).

In the US FCC Part 2 allows importation of 4000 units prior to equipment 
authorization, just wondering if Canada/IC have a similar law on the books.

Thanks

Ian Schroeder

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