RF exposure info (MPE) rev2

FCC ID: N7NMC7455

RF Exposure Info

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FCCID_4180032

                                                           RF Exposure Report

                       Report No.: SA181119C14

                       Test Model: CSG750

                  Series Model: CSG7xxxxxxxxxx (Where x can be 0-9, A-Z, a-z, any alphanumeric
                                character or blank)
                 Received Date: Nov. 19, 2018

                     Issued Date: Dec. 12, 2018


                         Applicant: Sierra Wireless Inc.

                          Address: 13811 Wireless Way Richmond, BC V6V 3A4 Canada


                        Issued By: Bureau Veritas Consumer Products Services (H.K.) Ltd., Taoyuan Branch

                    Lab Address: No. 47-2, 14th Ling, Chia Pau Vil., Lin Kou Dist., New Taipei City, Taiwan,
                                 R.O.C.
                  Test Location: No. 19, Hwa Ya 2nd Rd., Wen Hwa Vil., Kwei Shan Dist., Taoyuan City
                                 33383, TAIWAN (R.O.C.)
          FCC Registration/ 788550 / TW0003
       Designation Number:




This report is for your exclusive use. Any copying or replication of this report to or for any other person or entity, or use of our name or trademark, is permitted
only with our prior written permission. This report sets forth our findings solely with respect to the test samples identified herein. The results set forth in this
report are not indicative or representative of the quality or characteristics of the lot from which a test sample was taken or any similar or identical product
unless specifically and expressly noted. Our report includes all of the tests requested by you and the results thereof based upon the information that you
provided to us. You have 60 days from date of issuance of this report to notify us of any material error or omission caused by our negligence, provided,
however, that such notice shall be in writing and shall specifically address the issue you wish to raise. A failure to raise such issue within the prescribed time
shall constitute your unqualified acceptance of the completeness of this report, the tests conducted and the correctness of the report contents. Unless specific
mention, the uncertainty of measurement has been explicitly taken into account to declare the compliance or non-compliance to the specification.
The report must not be used by the client to claim product certification, approval, or endorsement by TAF or any government agencies.

Report No.: SA181119C14                                              Page No. 1 / 7                                             Report Format Version: 6.1.1


                                                                   Table of Contents
Release Control Record .................................................................................................................................. 3
1         Certificate of Conformity...................................................................................................................... 4
2         RF Exposure .......................................................................................................................................... 5
    2.1      Limits for Maximum Permissible Exposure (MPE) .............................................................................. 5
    2.2      MPE Calculation Formula ................................................................................................................... 5
    2.3      Classification ....................................................................................................................................... 5
3         Calculation Result of Maximum Tune up Power................................................................................ 6




Report No.: SA181119C14                                              Page No. 2 / 7                                              Report Format Version: 6.1.1


                                             Release Control Record


Issue No.                 Description                                        Date Issued
SA181119C14               Original release                                   Dec. 12, 2018




Report No.: SA181119C14                         Page No. 3 / 7        Report Format Version: 6.1.1


1    Certificate of Conformity


            Product: Cloud Services Gateway

              Brand: Versa

        Test Model: CSG750

      Series Model: CSG7xxxxxxxxxx (Where x can be 0-9, A-Z, a-z, any alphanumeric character or
                    blank)
    Sample Status: Engineering sample

          Applicant: Sierra Wireless Inc.

         Standards: FCC Part 2 (Section 2.1091)

                          KDB 447498 D01 General RF Exposure Guidance v06
                          IEEE C95.1



The above equipment has been tested by Bureau Veritas Consumer Products Services (H.K.) Ltd.,
Taoyuan Branch, and found compliance with the requirement of the above standards. The test record, data
evaluation & Equipment Under Test (EUT) configurations represented herein are true and accurate accounts
of the measurements of the sample’s RF characteristics under the conditions specified in this report.




      Prepared by :                                              , Date:         Dec. 12, 2018
                             Celine Chou / Senior Specialist




     Approved by :                                               , Date:         Dec. 12, 2018
                             Bruce Chen / Project Engineer




Report No.: SA181119C14                         Page No. 4 / 7                        Report Format Version: 6.1.1


2     RF Exposure
2.1     Limits for Maximum Permissible Exposure (MPE)

    Frequency Range          Electric Field     Magnetic Field       Power Density          Average Time
         (MHz)              Strength (V/m)      Strength (A/m)         (mW/cm2)               (minutes)
                             Limits For General Population / Uncontrolled Exposure
        0.3-1.34                 614                  1.63                 (100)*                  30
                                                                                  2
        1.34-30                 824/f                2.19/f               (180/f )*                30
        30-300                   27.5                0.073                  0.2                    30
       300-1500                   …                    …                   f/1500                  30
      1500-100,000                …                    …                    1.0                    30

f = Frequency in MHz; *Plane-wave equivalent power density


2.2     MPE Calculation Formula
Pd = (Pout*G) / (4*pi*r2)
where
Pd = power density in mW/cm2
Pout = output power to antenna in mW
G = gain of antenna in linear scale
pi = 3.1416
r = distance between observation point and center of the radiator in cm


2.3     Classification
The antenna of this product, under normal use condition, is at least 20cm away from the body of the user. So,
this device is classified as Mobile Device.




Report No.: SA181119C14                        Page No. 5 / 7                         Report Format Version: 6.1.1


3     Calculation Result of Maximum Tune up Power
For WWAN: (Base on WWAN module report (Model: MC7455, FCC ID: N7NMC7455))
                 Frequency                                            Power
                            Max Power Antenna Gain       Distance                    Limit
    Function        Band                                             Density
                               (dBm)          (dBi)        (cm)                    (mW/cm2)
                   (MHz)                                            (mW/cm2)
WCDMA Band 2 1852.4-1907.6         23.52            0.49    20       0.050               1

WCDMA Band 4 1712.4-1752.6         23.45            0.55    20       0.050               1

WCDMA Band 5         826.4-846.6   23.51            2.54    20       0.080            0.550

    LTE Band 4     1720.0-1745.0   23.97            0.33    20       0.054               1

    LTE Band 7     2502.5-2567.5   22.93           -0.67    20       0.033               1

    LTE Band 12      699.7-715.3   23.99            0.83    20       0.060            0.466

    LTE Band 13      779.5-784.5   23.93            1.00    20       0.062            0.521

    LTE Band 25    1850.7-1914.3   23.99            0.49    20       0.056               1

    LTE Band 26      814.7-848.3   23.98            2.54    20       0.089            0.546

    LTE Band 30    2307.5-2312.5   22.95            0.27    20       0.042               1

    LTE Band 41    2498.5-2687.5   21.53           -0.67    20       0.024               1




Report No.: SA181119C14                    Page No. 6 / 7              Report Format Version: 6.1.1


Conclusion:
The formula of calculated the MPE is:
CPD1 / LPD1 + CPD2 / LPD2 + ……etc. < 1
CPD = Calculation power density
LPD = Limit of power density

1. LTE Band 26 (WWAN Module 1) + WCDMA Band 5 (WWAN Module 2) = 0.089 / 0.546 + 0.080 / 0.550 =
    0.308
2. LTE Band 26 (WWAN Module 1) + LTE Band 25 (WWAN Module 2) = 0.089 / 0.546 + 0.056 / 1 = 0.219
3. LTE Band 26 (WWAN Module 1) + LTE Band 12 (WWAN Module 2) = 0.089 / 0.546 + 0.060 / 0.466 =
    0.292
4. WCDMA Band 5 (WWAN Module 1) + LTE Band 26 (WWAN Module 2) = 0.080 / 0.550 + 0.089 / 0.546 =
    0.308
5. LTE Band 25 (WWAN Module 1) + LTE Band 26 (WWAN Module 2) = 0.056 / 1 + 0.089 / 0.546 = 0.219
6. LTE Band 25 (WWAN Module 1) + WCDMA Band 2 (WWAN Module 2) = 0.056 / 1 + 0.050 / 1 = 0.106
7. LTE Band 25 (WWAN Module 1) + LTE Band 12 (WWAN Module 2) = 0.056 / 1 + 0.060 / 0.466 = 0.185
8. LTE Band 25 (WWAN Module 1) + LTE Band 26 (WWAN Module 2) = 0.056 / 1 + 0.089 / 0.546 = 0.142
9. LTE Band 12 (WWAN Module 1) + LTE Band 26 (WWAN Module 2) = 0.060 / 0.466 + 0.089 / 0.546 =
    0.292
10. LTE Band 12 (WWAN Module 1) + LTE Band 25 (WWAN Module 2) = 0.060 / 0.466 + 0.056 / 1 = 0.185
11. LTE Band 12 (WWAN Module 1) + LTE Band 4 (WWAN Module 2) = 0.060 / 0.466 + 0.054 / 1 = 0.183
12. LTE Band 12 (WWAN Module 1) + LTE Band 26 (WWAN Module 2) = 0.060 / 0.466 + 0.089 / 0.546 =
    0.292
13. LTE Band 26 (WWAN Module 1) + WCDMA Band 5 (WWAN Module 2) = 0.089 / 0.546 + 0.080 / 0.550 =
    0.308
14. LTE Band 26 (WWAN Module 1) + LTE Band 25 (WWAN Module 2) = 0.089 / 0.546 + 0.056 / 1 = 0.219
15. LTE Band 26 (WWAN Module 1) + LTE Band 12 (WWAN Module 2) = 0.089 / 0.546 + 0.060 / 0.466 =
    0.292

Therefore the maximum calculations of above situations are less than the “1” limit.
---END---




Report No.: SA181119C14                       Page No. 7 / 7                          Report Format Version: 6.1.1



Document Created: 2019-02-26 09:42:46
Document Modified: 2019-02-26 09:42:46

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