Let's not confuse a CFR with law. While a Code of Federal Regulations may be
backed up by a law, they are in themselves not law.
It is like CFR 47 for telecom. The only teeth it has is contained in the
telecommuncations act of 1934 updated in 1999. Outside this law, the CFR has
no teeth
Under ANSI C63.4 2009 you are to test with the absorbers above 1GHz, but if
the lab uses ANSI C63.4 2003 you CANNOT use the absorbers. Under ANSI
C63.4:2009 the minimum attenuation for the absorbers must be 20dB and cover
a 2.4 m by 2.4 m square.
Thanks
Dennis Ward
Senior Certification
Hi Tim
Correct, ANSI C63.4:2009 uses the absorbers from 1 to 40 GHz per section 5.5
of C63.4:2009
Thanks
Dennis Ward
Senior Certification Engineer
PCTEST
This communication and its attachments contain information from PCTEST
Engineering Laboratory, Inc., and is intended for the exclusive
Yes TASO is correct.
TASO 3 is a picture that has noise (snow) that is present but not
objectionable.
Dennis Ward
Senior Certification Engineer
PCTEST
This communication and its attachments contain information from PCTEST
Engineering Laboratory, Inc., and is intended for the exclusive use
Today we have computers, transmitters and receivers that do not interfere to
much with other devices. But none of that would be possible if it weren't
for the work of what far too many today see as 'capricious and arbitrary'.
So soon the makers of things forget why things were done, why limits
Sounds like you have found 'yellow paint in butter'. Just the note that the
component came the 'far east' send shivers up the spine.
Dennis Ward
Senior Certification Engineer
PCTEST
This communication and its attachments contain information from PCTEST
Engineering Laboratory, Inc., and is
You mean to them there those ones what aint got no gud englitch
Dennis Ward
Senior Certification Engineer
PCTEST
This communication and its attachments contain information from PCTEST
Engineering Laboratory, Inc., and is intended for the exclusive use of the
recipient (s) named above. It
Now if you were meditating on it, then it would be the u holtz coils
Dennis Ward
Senior Certification Engineer
PCTEST
This communication and its attachments contain information from PCTEST
Engineering Laboratory, Inc., and is intended for the exclusive use of the
recipient (s) named
Maybe they can substitute potatoes for SAR solutions. If the potato bakes,
then the power is too high and the device fails:)
Dennis Ward
Senior Certification Engineer
PCTEST
This communication and its attachments contain information from PCTEST
Engineering Laboratory, Inc., and is intended for
Sorry Ron but your information is quite outdated.
It should not be assumed that Canada is a slam dunk for confidentiality or
that all documents can be held confidential. While it is true that Canada
(IC) does not go out of its way to make documents available, Canada does
have a right to access
system. Usage of PCTEST email addresses for
non-business related activities is strictly prohibited. No warranty is made
that the e-mail or attachment(s) are free from computer virus or other
defect. Thank you.
-Original Message-
From: Dward [mailto:dw...@pctestlab.com]
Sent: Friday, March
Kronos blew up, they had to move
Dennis Ward
Senior Certification Engineer
PCTEST
This communication and its attachments contain information from PCTEST
Engineering Laboratory, Inc., and is intended for the exclusive use of the
recipient (s) named above. It may contain information that is
Be careful with the idea that you can do anything on any frequency under
15.209. This simply is not true. While under 15.209 a perimeter protection
device can operate in the 54-72 MHz and 76-88 MHz bands, no other type
intentional radiator is allowed to have its fundamental in the 54-72 MHz,
From: Dward [mailto:dw...@pctestlab.com]
Sent: Wednesday, March 20, 2013 12:53 PM
To: 'Derek Walton'; 'EMC-PSTC@LISTSERV.IEEE.ORG'
Subject: RE: [PSES] Critical component in EMC report
I would have to disagree with you. I do not know what version you are
reciting, but 17025 does not contain
Well, unfortunately it is too often that some labs just know how to pass an
audit, but when it comes to testing, they fall very short.
Far too many 'so called' good labs rely on instrumentation and simply do not
question results. This leads to bad measurements, even though the lab is
supposedly
Testing and meeting essential requirements. – indeed an interesting
combination.
A man goes to a doctor and asks how he can meet his bodies directive that it
receives essential nourishment without using his stomach because his stomach
‘changes’, gives him gas and gets upset too often.
Well, first, ANSI C63.4 is not a UL document, it is an ANSI standard
published by IEEE. So there is no ANSI UL C63.4. That aside, the FCC KDB
data base and DA-09-2478 confirm that either the 2003 or 2009 version can be
used.
There are differences, so a test lab cannot or should not assume
On the second part of the question about FCC and IC having the same test
standards. Canada allows the use of ANSI C63.4 however, ICES-003 does say
that is must be the latest addition. This only means that if both FCC and
IC are being done, then the 2009 version would be the one used.
As with
Here is the relationship of cell phones to popping corn.
1 Place the popcorn in a bowl with butter and salt.
2 Place one two or three cellphones in a plastic bag and
place in the same bowl. The plastic bag is to protect the cell phone from the
butter.
3
To paraphrase an old adage dealing with those who may actually believe this
video has any credibility what so ever - You can lead a horse to water but
you cannot make him THINK.
Dennis Ward
Director of Engineering
American TCB
Certification Resource for the Wireless Industry www.atcb.com
Hi Adam
While the FCC does have a policy statement about licensed modular transmitters
using “Contains FCC ID: xxxyyyzzz” on the outside of a host device, it
does not have a policy about full transmitters (i.e. non-modular). If the
licensed transmitter is not a modular transmitter but has an
, but you never hear of anyone
retiring and moving North!!!
--- On Fri, 9/5/08, dward dw...@atcb.com wrote:
From: dward dw...@atcb.com
Subject: RE: Radio module integration (Part 22/24)
To: 'Rudd, Adam' ar185...@ncr.com, emc-p...@ieee.org
Date: Friday, September 5
-2825
From: dward [mailto:dw...@atcb.com]
Sent: Friday, September 05, 2008 2:35 PM
To: wdows...@yahoo.com; Rudd, Adam; emc-p...@ieee.org
Subject: RE: Radio module integration (Part 22/24)
The FCC has two different approaches to part 15 and to licensed modules
HI Grace
While it may be a desire of a marketing company to use their name, they are
not the certificate holder and thus putting only the marketing companies name
on the device would be incorrect. The standard is pretty clear on this issue.
The “the applicant's name (i.e. manufacturer's name,
Hi Andrew
Grant notes, while some being generic, are always applicable to the particular
grant on which they occur. In this case the source of the note is the device
itself. The limit to gain is most likely due to the MPE caused by the gains
listed being able to meet the separation distance
In the situation you mention, as long as the antenna is of the same or lesser
gain and also of the same type as approved, then the device can be used based
on its approval and would not mandate any further testing when placed in a
system. However, approval status only shows an assumption of
Hi Gail
I would think that you should look into the Anti-dumping laws in the EU for
this sort of thing.
Dennis Ward
Director of Engineering
American TCB
Certification Resource for the Wireless Industry www.atcb.com
703-847-4700 fax 703-847-6888
direct - 703-880-4841
From:
Hi Mario
This has been a very long standing position from the FCC. It goes way back to
the 80’s when I first started dealing with the FCC. This very old policy
has been reiterated in the Knowledge Data Base (KDB). For example when
specifically asked the FCC responded in KDB460108 which states
I would ALWAYS caution anyone making measurements not to rely solely on what
an analyzer is supposed to do or not do and to always use his/her own noodle
to judge any measurement made. Measuring instruments make errors, don't
report error, or sometimes are just setup wrong. Never never rely
Whatever happened to the time when a good engineer could repair his own
dipole, fix minor front end analyzer problems, be able to tell the
difference between 20dBm and 20dBuV, know what dBm and dBuV meant,
understand you can't put the output of a 100W transmitter directly into the
front end of the
11:58 AM
To: emc-p...@ieee.org
Subject: Re: Mobile Phones in EMC Labs
In message 00b201c95a35$f528d430$df7a7c90$@com, dated Tue, 9 Dec 2008,
dward dw...@atcb.com writes:
Automation, without proper control, only gives a lot of paper with
meaningless unsubstantiated number.
Doesn't matter
There are two rf exposure conditions provided in the FCC rules that must be
addressed at the time of certification. One is for portable configurations for
devices that are used within 20cm of the body, and the other is mobile
configurations for devices that are used more than 20cm from the body.
In keeping with the season and to insure beginning EMC engineers I recite,
with editorial license, Church’s response to Virginia O’Hanlon.
Virginia- I am 8 years old. Some of my little friends say there is no EMC and
that it is Black Magic. Papa says, “If you see it on the emc-pstc, it’s
so.”
To be more specific – a TCB does not actually issue a grant, even though it has
their name on it as the TCB. Only the FCC can issue a legal grant of equipment
authorization and no device, except under the special conditions of marketing
in part 2, can be sold or offered for sale, used or
Probably more accurate is that we see laws we do not like and then try to find
ways around them or to find loopholes that apply to us. Sometimes it is simply
better for all if we just read and understand the intent of laws and not try to
sway them in one way or the other. H not gonna
I tend to agree with Brian's statements.
I would also add that even if experience is gained in another field, it is
probably not enough in the EMC field to meet the they want several years
of experience criteria. After all, it is not just engineering experience
they are looking for, it is
Old EMC engineers never 'retire', they just attenuate their activities. J
Dennis Ward
Senior Certification Engineer
PCTEST
This communication and its attachments contain information from PCTEST
Engineering Laboratory, Inc., and is intended for the exclusive use of the
recipient (s) named
Michael gives a good over view of the situation. The bottom line is that a
device CANNOT transmit on any frequency that it has not been shown to
comply. So, even if the device passive scans, it still cannot transmit on
channels 12 and 13 unless those channels have been shown to comply in the
HI Neils
Your client should understand that it is not his point of view that matters,
it is what the FCC says about the device and what they say needs to be done
in order for the device to be authorized. The simple fact that it can, at
any time, connect to a PC and download software makes this
Hi Michael
The FCC is not going to state any specific table material requirement. While
they recommend material like XPS (Styrofoam - an extruded polystyrene foam)
above 1GHz, the only requirement is that the table be non-conductive at
whatever frequency you are measuring.
ANSI C63.4
I do not want to speak for Mike Violette, but what I think he is referring
to by interference is the fact that, while the FCC could care less if two
part 15 devices interfered with each other, they do care if part 15 devices
interfere with licensed services. And it is in this area that the 'issue
While there is a distance difference between Class A and Class B, it is not
the distance that defines the Class, it is the Class that defines the
distance. The definition of a Class B is similar, but not exactly the same
as for EN. Class B part 15 digital devices are defined as A digital device
, 2014 12:40 PM
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] radiated emissions testing may understate actual
emissions, an example using a class D stereo amp
In message 000a01cf8024$494154b0$dbc3fe10$@pctestlab.com, dated Wed, 4 Jun
2014, Dward dw...@pctestlab.com writes:
Currently the rules
The designer is flat wrong.
15.27 makes it clear that if such a 'special accessory' is required for
compliance of a device the they either must be provided with the device or
they must ensure a method such that the special accessory is provided to the
user of the device without additional charge
Europe is dealing with separate and sovereign countries, so MRA and the like
between certifiers in all countries are needed. But, if you go to one test
house in one country and another test house in that same country, even in
Europe, I am sure you will find that they do not all 'accept' each
Probably from the same people that brought you snake oil and the like.
Dennis Ward
This communication and its attachements contain information from PCTEST
Engineering Laboratory, Inc., and I sintended for the exclusive use of the
recipient(s) named above. It may contain
One of the reasons, many years ago, that a 'standard' setup was determined in
both CISPR and ANSI standards was to relieve the never ending always present
constant manipulation of cables and equipment. While the EUT is to be
operating in a typical use scenario, the setup should be as depicted
unlikely
Dennis Ward
This communication and its attachements contain information from PCTEST
Engineering Laboratory, Inc., and I sintended for the exclusive use of the
recipient(s) named above. It may contain information that is confidential
and/or legally privileged. Any unauthorized use
Since it is the ferrite that is the ‘special accessory’, the company would not
necessarily need to provide the cable, they would only have to provide the
special accessory ferrite that would fit on the cable. Or they would provide a
means of obtaining the ferrite at the time of purchase for
It must be tattooed on your forehead or right hand in permanent ink and the
letters must be of a size that can be easily read without the use of
magnification. :)
Dennis Ward
This communication and its attachements contain information from PCTEST
Engineering Laboratory, Inc., and I sintended for
Actually, since the US has no legal National Language, it needs to be in
English, Spanish, Vietnamese, Chinese (common character), Portuguese,
Italian, Gaelic, French, Lithuanian, Russian and German. Hope you have a
big forehead. :)
Dennis Ward
This communication and its attachements contain
If the normal stated operating temperatures of a laptop is 30 degrees to 100
degrees F then leaving a laptop in a hot car in for example AZ would be
misuse as it is not being used within the parameters of its design. And
there are ladders that are designed for use across small open crevasses so
Also, if an NB did such a thing, I would think (hope) their AB would not
only slap their hands, but either suspend them or remove their accreditation
as an NB.
Dennis Ward
This communication and its attachements contain information from PCTEST
Engineering Laboratory, Inc., and I sintended for the
Competent and reliable = interesting concept.
Until the RED is actually usable existing means of NB appointments do not do a
lot in the area of competence. For example, a TCB has to show competence in
the area they certify. They must prove that reviewers can actually do the
testing and they
In a perfect world, all Authorizing Bodies, NBs, TCBs and test labs would do
everything right. Alas, they world is far less than perfect and errors abound.
Accreditation helps, but it is only paper and does not monitor the actual work
involved. It relies on the integrity and reliability of
activities is strictly prohibited. No warranty is made that the e-mail
or attachments(s) are free from computer virus or other defect. Thank you.
From: dward [mailto:dw...@pctestlab.com]
Sent: Friday, October 31, 2014 10:30 AM
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] New Radio
Surprise surprise:)
As long as assessment of labs is being done by people not even in the proper
field of expertise, should we really expect more??
Dennis Ward
This communication and its attachements contain information from PCTEST
Engineering Laboratory, Inc., and I sintended
Exactly. While assessors may look over paperwork, that does not actually mean
those involved in testing know what the standard to which they are testing
actually says or if they do that they actually test to them. Cannot tell you
how many times I review reports from supposedly accredited labs
I don’t think the original discussion is or was centered on testing ‘black
boxes’ or even the fact that a manufacturer should know his product and what it
takes to get it in the market. The original discussion was that labs which are
supposed to know what they are doing, because they have a
Nah – they just had a bigger lobby when the FCC rules were put in place:)
So, that is why no one invites me to dinner
Dennis Ward
This communication and its attachements contain information from PCTEST
Engineering Laboratory, Inc., and I sintended for the exclusive use of the
In the field of certification or compliance testing the workings of analyzers
can be a daunting task to understand. However, understanding the analyzer and
what it does is a must - especially with the newer analyzers. These devices do
things that are amazing and that reduce test time.
HI Grace
If it meets CISPR 16 and/or ANSI requirements, then it is OK to use for this
type measurement. You just have to be careful and make sure the engineer pays
attention to the values and understands how the device works.
Dennis Ward
Senior Certification Engineer
PCTEST
This communication
Since even radiated spurious emissions for FCC licensed radios is ERP/EIRP
measurements, currently it would not matter a whole lot. Currently the only
requirement to use CISPR 16 for analyzers for licensed devices is in TIA603
when TEM cells are used.
However, for part 15 devices, where
“Risk Assessment” or in plain English – How many people have to get injured or
killed before anything is done that should have been done in the beginning
anyway.
Dennis Ward
This communication and its attachements contain information from PCTEST
Engineering Laboratory, Inc., and
or attachments(s) are free from computer virus or other defect. Thank you.
From: John Allen [mailto:john_e_al...@blueyonder.co.uk]
Sent: Friday, March 6, 2015 11:14 AM
To: 'dward'; EMC-PSTC@LISTSERV.IEEE.ORG
Subject: RE: [PSES] Safety standards versus safety engineering
Good evening
My
Yes, worst case means worst case.
Dennis Ward
This communication and its attachements contain information from PCTEST
Engineering Laboratory, Inc., and is intended for the exclusive use of the
recipient(s) named above. It may contain information that is confidential
and/or
HI Grace
Pre-amp gain compression occurs when the input is too high and it causes
non-linearity in the amp. The issue then is to make sure that the input stays
within the stated linearity range of the amp otherwise, too much input will
cause readings that are not accurate.
This is a very
The solution to that is simple - get a new microwave but don't buy the same
brand. :)
Dennis Ward
This communication and its attachements contain information from PCTEST
Engineering Laboratory, Inc., and is intended for the exclusive use of the
recipient(s) named above. It may contain
$4068c0f0$c13a42d0$@pctestlab.com, dated Fri,
15 May 2015, dward dw...@pctestlab.com writes:
May your Sinicism not cause you to miss the good things in life.
I'm not Chinese! And I'm not of the canine persuasion, which is what
the word you aimed at originally alluded to.
--
OOO - Own
.
-Original Message-
From: John Woodgate [mailto:j...@jmwa.demon.co.uk]
Sent: Friday, May 15, 2015 9:04 AM
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] Interference Caused by Microwave Oven
In message 001001d08f24$621e6c60$265b4520$@pctestlab.com, dated Fri,
15 May 2015, dward dw
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] Interference Caused by Microwave Oven
In message 002701d08f2c$fbcc7d40$f36577c0$@pctestlab.com, dated Fri,
15 May 2015, dward dw...@pctestlab.com writes:
The fact that this seems an anomaly says the Bayesian probability is
satisfied by reason
First, there is no such thing as an RTTE certified device. Second, a module is
an apparatus and any apparatus, regardless of where used, is to comply with the
associated directives. Third. all device using CE marking, must still comply.
If it does not comply in a final configuration, then it
-Original Message-
From: dward [mailto:dw...@pctestlab.com]
Sent: Friday, May 15, 2015 1:34 PM
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] Interference Caused by Microwave Oven
Sinicism - a word made up from Latin for Chinese (sinicus) and Greek for
belief, ideology or style (ism
. Usage of PCTEST email addresses for non-business
related activities is strictly prohibited. No warranty is made that the e-mail
or attachments(s) are free from computer virus or other defect. Thank you.
-Original Message-
From: dward [mailto:dw...@pctestlab.com]
Sent: Friday, May 15
Actually, that is not exactly correct. While many standards are written as
'voluntary' the FCC does in fact incorporate by reference some ANSI standards.
To incorporate by reference means that the full content of the referenced
document is part and parcel of the document to which it is
operators (especially in
some countries! ) may use illegal amps (“boosters”) to raise the transmit power
beyond the legal limits!
John Allen
W.London, UK
From: dward [mailto:dw...@pctestlab.com]
Sent: 12 September 2015 20:00
To: EMC-PSTC@LISTSERV.IEEE.ORG <mailto:EMC-PSTC@LISTSERV.IEEE.
I agree -an amateur could not and would not use a call sign other than his or
her designated licensed call sign. No blue leader, no quacking duck, nothing
but respective number licensed to him or her.
Sent from my Verizon Wireless 4G LTE smartphone Original message
From:
I for one would never want the US to get into this arena. Too much regulation
in the US as it is. Don’t need more and don’t want more. I’ll decide what is
best for me, not the government.
Dennis Ward
This communication and its attachements contain information from PCTEST
7a0$@pctestlab.com>, dated Mon,
14 Sep 2015, dward <dw...@pctestlab.com> writes:
>I for one would never want the US to get into this arena. Too much
>regulation in the US as it is. Don’t need more and don’t want more.
>I’ll decide what is best for me, not the government.
But if y
for you, because you are what I would call an expert
customer. You have the knowledge to ameliorate immunity problems, but most of
the population does not have this capability.
Ed Price
WB6WSN
Chula Vista, CA USA
From: dward [mailto:dw...@pctestlab.com]
Sent: Monday, September 14, 2015 8
oblems, but most of
the population does not have this capability.
Ed Price
WB6WSN
Chula Vista, CA USA
From: dward [mailto:dw...@pctestlab.com]
Sent: Monday, September 14, 2015 8:20 AM
To: 'Ed Price'; EMC-PSTC@LISTSERV.IEEE.ORG <mailto:EMC-PSTC@LISTSERV.IEEE.ORG>
Subject: RE: [PSES] RF
have the knowledge to ameliorate immunity problems, but most of
the population does not have this capability.
Ed Price
WB6WSN
Chula Vista, CA USA
From: dward [mailto:dw...@pctestlab.com]
Sent: Monday, September 14, 2015 8:20 AM
To: 'Ed Price'; EMC-PSTC@LISTSERV.IEEE.ORG <mailto:EMC-P
As a US citizen my premise on any government involvement is to make it as
impossible or as hard for them to regulate anything as can be. This includes
EMC, immunity or any other thing. Too many fall under the idea that personal
safety outweighs personal freedom. That may work in a socialist
Ain't no such thing.
Sent from my Verizon Wireless 4G LTE smartphone Original message
From: Richard Nute Date: 12/8/2015 12:23 PM
(GMT-08:00) To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] EN55032
definition of residential environment
Hmm.
Careful with the idea that the US and Canada are ‘fully harmonized’. That
simply aint the case. There are a number of things that must be considered for
transmitters that are different between the US and Canada. What can be said is
that most likely, if you do testing per the Canadian
Several issues. First, 15.123 is not the clause exempting devices it is a
clause referring to labeling of digital ready devices.
Clause 15.103 is for exemption of devices. So, while it may say exempt,
unintentional radiator devices are still subject to 15.5 and 15.29 with
‘strong’
defect. Thank you.
From: dward [mailto:dw...@pctestlab.com]
Sent: Thursday, February 18, 2016 8:46 AM
To: 'Ted Eckert' <ted.eck...@microsoft.com>; 'EMC-PSTC@LISTSERV.IEEE.ORG'
<EMC-PSTC@LISTSERV.IEEE.ORG>
Subject: RE: [PSES] 47 CFR Part 15 Subpart B / ICES-003 applicab
ments of Part 15. The general operation
requirements of 15.5 always apply. As to the Class A/B application, you have to
look at how the device is marketed. If it is not marketed to the consumer and
is not intended to be used in the home, then Class A applies.
Bill Stumpf
From:
As to the Class A/B application, you have to
look at how the device is marketed. If it is not marketed to the consumer and
is not intended to be used in the home, then Class A applies.
Bill Stumpf
From: dward [mailto:dw...@pctestlab.com]
Sent: Thursday, February 18, 2016 11:06
? Unless the PC
manufacturer designed that PC so that it could only be used for one specific
control purpose.
Ken Javor
Phone: (256) 650-5261
_
From: dward <dw...@pctestlab.com <mailto:dw...@pctestlab.com> >
Reply-To: dward <dw...@pctestlab.com <mailto:dw...@pctestla
ies, it only
pertains to the technical requirements of Part 15. The general operation
requirements of 15.5 always apply. As to the Class A/B application, you have to
look at how the device is marketed. If it is not marketed to the consumer and
is not intended to be used in the home, then Class A
Actually I believe it was if it was exempt from compliance issues because of
ISM under 15.103 (mistakenly referred to as 15.123. From there it went to the
issue of it being a piece of test equipment that met the exemption, etc etc
etc. The Class A or B came about after that discussion. But
ss has nothing to do with the CE Marking "Declaration
of Conformity"
To the original question poster: It may be worthwhile to take a look at the
FCC Rules Part 15.31(3)(k) relating to Composite Systems.
Confused yet? Glad it's Friday?
-Bob Sykes
From: dward [mailto:dw...@pctestl
Remember, these are in regards to the limit, NOT the measured values.
Dennis Ward
This communication and its attachements contain information from PCTEST
Engineering Laboratory, Inc., and is intended for the exclusive use of the
recipient(s) named above. It may contain information
For FCC NFC transmitters are a certified device. And starting very soon,
testing can only be done at an accredited lab either in the US or in an MRA
partner. NOTE that the accredited lab in an MRA partner country must be listed
as a CAB under the MRA and not simply accredited. Evidently
Had several of them; dropped them; don’t need them; don’t want them; never
helped me get work, never stopped me from getting work.
So, while the certs look pretty, they have little meaning and unless a company
pays for them, they simply are not worth the expense. But that is just my view.
The other issue is that, just because the FCC may consider collocated as being
antennas in the same unit, does not affect the 20 cm rf exposure requirement
for rf exposure in a mobile configuration. I am not, however, that the FCC
only considers collocation as stated. For example,
Part 22H, 24E, 27 and 90S. Part 90S however, has some bands that are not ERP
but antenna conducted.
Dennis Ward
This communication and its attachements contain information from PCTEST
Engineering Laboratory, Inc., and is intended for the exclusive use of the
recipient(s) named above. It
web site for
free.
Regards,
Deniz
-Original Message-
From: dward [mailto:dw...@pctestlab.com]
Sent: Monday, August 22, 2016 10:32 AM
To: EMC-PSTC@LISTSERV.IEEE.ORG
Subject: Re: [PSES] Cell phone power output, legal limits in USA
Yes they are CFR 47.
Part 22H has a limit of 7W ERP
of distance cm to
meters) in use in the USA, and I expected a legal limit on transmit power would
upper-side bound that.
Ken Javor
Phone: (256) 650-5261
> From: dward <dw...@pctestlab.com>
> Reply-To: dward <dw...@pctestlab.com>
> Date: Mon, 22 Aug 2016 12:04:11 -0700
> To: <
1 - 100 of 130 matches
Mail list logo