Bill -- 

This "in the same enclosure" interpretation sounds new and drastic to me. Do 
you have any official document/link on this interpretation? 

thanks 

Mike Sherman 
Graco Inc. 

----- Original Message -----

From: "Bill Stumpf" <[email protected]> 
To: "EMC-PSTC" <[email protected]> 
Sent: Wednesday, February 15, 2017 7:34:19 AM 
Subject: Re: [PSES] Co-located modules 



The latest chatter I gathered on this topic is that the FCC considers 
collocated as "in the same enclosure". Indications are that any reference to 
<20cm being considered collocated has been set aside. 



Bill 




From: Michael Derby [mailto:[email protected]] 
Sent: Wednesday, February 15, 2017 2:18 AM 
To: [email protected] 
Subject: Re: [PSES] Co-located modules 




Hi Stephen, 



One thing to remember is that “must not be co-located” really just means “must 
not be co-located without some additional effort” 



For example, co-locating two modules and then calculating the new combined RF 
Exposure MPE value to verify that the product still meets the requirements, 
would be acceptable. It does not necessarily mean a C2PC is needed, for 
example. 



I think you’re right that 20 cm is ‘good guidance’ with regard to RF Exposure. 
But if your modules are 20.5cm apart, you might still want to consider the 
overall compliance of that final product… and a co-located MPE calculation is 
not too hard. 





Thanks, 



Michael. 








From: Stephen Whalen [ mailto:[email protected] ] 
Sent: 14 February 2017 23:34 
To: [email protected] 
Subject: [PSES] Co-located modules 





All, 


For a module that has "must not be co-located" restriction on FCC grant. 


What is the minimum separation distance allowed for another transmitter? I 
recall 20cm but can't find where it is documented. 





Regards, 


Stephen 


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