Modular Approval

FCC ID: R7PNG0R1S1

Cover Letter(s)

Download: PDF
FCCID_1040307

To:                 File

From:               Richard Timko

Subject:            40‐1119 and 40‐1129 Modular Approval Request                                                 Oct. 21, 2008

1 Scope
FCC Public Notice DA 00‐1407 released June 26, 2000 communicated guidelines for products requesting modular approval. In
particular, 8 requirements were enumerated along with a request that each of the 8 be explained for any product requesting
such approval.

It is the purpose of this document to respond to those 8 guidelines in regard to the Cellnet products: 40‐1119 and 40‐1129.


2 Modular Approval Requirements

2.1 RF Shielding
The 40‐1119 and 40‐1129 modules are self‐shielding and are not dependent on any component or characteristic of the device
into which they are embedded. Shielding is accomplished through a combination of metallic self‐shielding components, copper
planes, guards, and vias in the PCB. The result is a design that has been proven to be neither sensitive to outside influence nor
capable of introducing interference into outside components.

2.2 Buffered Modulation / Data Inputs
The 40‐1119 and 40‐1129 modules do not have external modulation or data inputs. Rather, the RF sections are driven by an on‐
board microprocessor which directly controls the RF data lines and operates so as to not allow excessive modulation.

2.3 Power Supply Regulation
The 40‐1119 and 40‐1129 modules use linear, low‐dropout regulators to provide all the electronics with a supply that is fixed,
even when the input voltage is varied.

2.4 Antenna Requirement
The 40‐1119 module utilizes an F‐type antenna integrated into the PCB and is not changeable. The 40‐1129 module utilizes an
external antenna which is connected by a unique MCX‐type connector.

2.5 Stand-Alone Testing
All testing on the 40‐1119 and 40‐1129 modules was conducted standalone. No shields or enclosures were used, other than
those fully integrated into the modules themselves. No ferrites were used on data or power lines during testing. These devices
are DC powered, and exceed applicable conducted emission requirements.

2.6 Labeling
As indicated, each module will have its own FCC ID label. In addition, devices into which they are placed will have labels
indicating that this module is contained within. Exact text will be as specified in the FCC Public Notice.




                                      30000 Mill Creek Avenue, Suite 100 | Alpharetta, GA 30022
                                           Tel: +1 678 258 1637 | Fax: +1 678 258 1681


2.7 Specific Rules and Operating Requirements
The 40‐1119 and 40‐1129 modules comply with all pertinent rules for its section. Other than their reduced power levels, they
share common code and are functionally equivalent to the 26‐1055 product which is FCC certified as R7PIWRS3.


2.8 RF Exposure Requirements
The 40‐1119 and 40‐1129 modules comply with all exposure requirements. As components used in the Utility industry, these
product are not intended for use near human operators. They are reduced‐power versions of products that reside in the same
locations and have already been approved for use.




                                     30000 Mill Creek Avenue, Suite 100 | Alpharetta, GA 30022
                                          Tel: +1 678 258 1637 | Fax: +1 678 258 1681



Document Created: 2008-11-05 11:42:12
Document Modified: 2008-11-05 11:42:12

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