The FCC has two different approaches to part 15 and to licensed modules, but
many of the same issues apply to both.  The FCC for example only has ONE
modular approval docket DA001407 and that deals ONLY with part 15 modules. 
However, the FCC also recognizes that licensed devices may also be of a
modular nature and so, while there really is no modular approval docket for
licensed devices like there is for unlicensed part 15 devices, modular
transmitters are allowed in the licensed world.  There are a few issues
dealing with modular transmitters in the licensed rule parts.  

 

Licensed transmitters may be approved as modules for installation into the
final devices provided the following criteria are met:

1              The final device is designed for mobile or fixed operation
(Portable is not permitted – this is in reference to rf exposure more than
anything)

2              The maximum antenna gain to allow compliance with RF exposure
requirements is listed on the Grant of Certification for the modular
transmitter

3              The licensed module must have a FCC ID label on the module
itself. That FCC ID label must be visible through a window on the final device
or it must be visible when an access panel, door or cover is easily removed.
If not, a second label must be placed on the outside of the final device that
contains the following text: "Contains FCC ID: xxxyyyzzz.”

4              The Grant should include the following words in the device
description or grant notes: “modular transmitter” or “transmitter
module”

 

You should notice that unlike the unlicensed DA001407 modular approval docket,
since this is a licensed device, you do not have to limit the antenna except
to the max gain.  Any type antenna, any type connector etc can be used.  In
fact, removable antenna device do not even have to have an antenna connected
for any of the testing.  Power can be conducted antenna terminal power and
radiated spurious emissions, even though erp/eirp done to TIA603C, only have
to have the antenna port connected to a ‘dummy load’.  The gain of the
antenna can be ‘calculated’ to yield the appropriate MPE etc.  

 

You should also notice that there is no such thing as a licensed portable
modular transmitter.

 

Thanks 

 

Dennis Ward 
Director of Engineering 
American TCB 
Certification Resource for the Wireless Industry www.atcb.com
<http://www.atcb.com>  
703-847-4700 fax 703-847-6888 
direct - 703-880-4841 

 

From: [email protected] [mailto:[email protected]] On Behalf Of Bill Owsley
Sent: Friday, September 05, 2008 10:34 AM
To: 'Rudd, Adam'; [email protected]; [email protected]
Subject: RE: Radio module integration (Part 22/24)

 

In looking at the reference example, the transmitter appears to fit into the
PCI port of a laptop, much the same as wireless network card fits into one.  

 

So does "modular" have more to do with being unlicensed, or would it have more
to do with how it is used?  

- Bill
You can say what you want about the South, but you never hear of anyone
retiring and moving North!!!

--- On Fri, 9/5/08, dward <[email protected]> wrote:

        From: dward <[email protected]>
        Subject: RE: Radio module integration (Part 22/24)
        To: "'Rudd, Adam'" <[email protected]>, [email protected]
        Date: Friday, September 5, 2008, 11:42 AM

        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 FCC ID
then the FCC has no requirements about placing the ID number on the system and
it is sufficient that the FCC ID is on the outside of the licensed
transmitter.  

        Thanks 

 

Dennis Ward 
Director of Engineering 
American TCB 
Certification Resource for the Wireless Industry www.atcb.com
<http://www.atcb.com/>  
703-847-4700 fax 703-847-6888 
direct - 703-880-4841 

 

From: [email protected] [mailto:[email protected]] On Behalf Of Rudd, Adam
Sent: Friday, September 05, 2008 6:11 AM
To: [email protected]
Subject: Radio module integration (Part 22/24)

 

Gentlemen,

Does the FCC have any regulations or guidance for integrating a radio device
into a larger system, specifically for a part 22/24 radio where the device
will be concealed from view?  Per 15.212, there is a lot of criteria involving
the device having a Grant with Modular Approval and then if the integrator
conceals the radio module’s FCC ID from view we must put a label on the
outside that says “Contains FCC ID:xxxxxx”.  I’m quite familiar with
these requirements for 802.11 and RFID radio devices.  But that code section
is strictly for unlicensed part 15 transmitters.  What about licensed Part 22
and 24 transmitters such as cellular radio devices such as:

 

FCC ID N7NAC875

https://fjallfoss.fcc.gov/oetcf/eas/rep
rts/ViewExhibitReport.cfm?mode=Exhibits
RequestTimeout=500&calledFromFrame=N&ap
lication_id=184431&fcc_id=%27N7NAC875%27
<https://fjallfoss.fcc.gov/oetcf/eas/re
orts/ViewExhibitReport.cfm?mode=Exhibit
&RequestTimeout=500&calledFromFrame=N&a
plication_id=184431&fcc_id=%27N7NAC875%27> 

 

Note: Does not have “modular approval”, but that was a requirement under
part 15.212… which may or may not be applicable here.

 

I have submitted an inquiry with the FCC OET.  But that usually take a couple
weeks to get a responce.  I am hoping someone here might be able to point me
toward the rule section of Part 22 and 24 that would provide guidance.

 

Thank you!

Adam Rudd

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