RF Exposure Info

FCC ID: N82-KOHLER033

RF Exposure Info

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FCCID_4209616

SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Report No.: SHEM181100991503 Page: 1 of 8 1 Cover Page RF MPE REPORT Application No.: SHEM1811009915CR FCC ID: N82- KOHLER033 IC: 4554A-KOHLER033 Applicant: Kohler Co. Address of Applicant: 444 Highland Drive Kohler, WI 53044 United States Manufacturer: Shanghai Kohler Electronics., Ltd. Address of Manufacturer: No. 1955, Fengxiang Road, Baoshan Area, Shanghai, PRC Post code: 200444 Factory: Shanghai Kohler Electronics., Ltd. Address of Factory: No. 1955, Fengxiang Road, Baoshan Area, Shanghai, PRC Post code: 200444 Equipment Under Test (EUT): EUT Name: RS485 CLOUD MODULE Model No.: 1374116 Trade mark: KOHLER Standard(s) : FCC Rules 47 CFR §2.1091 KDB447498 D01 General RF Exposure Guidance v06 RSS-102 Issue 5 (March 2015) Date of Receipt: 2018-11-09 Date of Test: 2018-11-14 to 2019-01-18 Date of Issue: 2019-02-14 Test Result: Pass* In the configuration tested, the EUT also complied with the Canadian standards (ICES-003: Issue 6). Parlam Zhan E&E Section Manager The manufacturer should ensure that all products in series production are in conformity with the product sample detailed in this report. If the product in this report is used in any configuration other than that detailed in the report, the manufacturer must ensure the new system complies with all relevant standards. Any mention of SGS International Electrical Approvals or testing done by SGS International Electrical Approvals in connection with, distribution or use of the product described in this report must be approved by SGS International Electrical Approvals in writing.

SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Report No.: SHEM181100991503 Page: 2 of 8 Revision Record Version Description Date Remark 00 Original 2019-02-14 / Authorized for issue by: Vincent Zhu / Project Engineer Parlam Zhan / Reviewer

SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Report No.: SHEM181100991503 Page: 3 of 8 2 Contents Page 1 COVER PAGE .......................................................................................................................................... 1 2 CONTENTS ............................................................................................................................................... 3 3 GENERAL INFORMATION.................................................................................................................... 4 3.1 GENERAL DESCRIPTION OF E.U.T. ............................................................................................................ 4 3.2 TECHNICAL SPECIFICATIONS ..................................................................................................................... 4 3.3 TEST LOCATION ....................................................................................................................................... 5 3.4 TEST FACILITY......................................................................................................................................... 5 4 TEST STANDARDS AND LIMITS .......................................................................................................... 6 4.1 FCC RADIOFREQUENCY RADIATION EXPOSURE LIMITS: .............................................................................. 6 4.2 IC RADIOFREQUENCY RADIATION EXPOSURE LIMITS:.................................................................................. 6 5 MEASUREMENT AND CALCULATION............................................................................................... 7 5.1 MAXIMUM TRANSMIT POWER .................................................................................................................... 7 5.2 MPE CALCULATION ................................................................................................................................. 8

SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Report No.: SHEM181100991503 Page: 4 of 8 3 General Information 3.1 General Description of E.U.T. Power supply: DC 12V 3.2 Technical Specifications BLE Antenna Gain 0dBi Antenna Type PIFA Antenna Channel Spacing 2MHz Modulation Type GFSK Number of Channels 40 Operation Frequency 2402MHz to 2480MHz 2.4G WiFi Antenna Gain 2dBi Antenna Type PCB Antenna Channel Spacing 5MHz Modulation Type 802.11b: DSSS (CCK, DQPSK, DBPSK) 802.11g/n: OFDM (64QAM, 16QAM, QPSK, BPSK) Number of Channels 802.11b/g/n(HT20):11 Operation Frequency 802.11b/g/n(HT20): 2412MHz to 2462MHz

SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Report No.: SHEM181100991503 Page: 5 of 8 3.3 Test Location All tests were performed at: SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. E&E Lab 588 West Jindu Road, Xinqiao, Songjiang, 201612 Shanghai, China Tel: +86 21 6191 5666 Fax: +86 21 6191 5678 No tests were sub-contracted. 3.4 Test Facility The test facility is recognized, certified, or accredited by the following organizations: • CNAS (No. CNAS L0599) CNAS has accredited SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. to ISO/IEC 17025:2005 General Requirements for the Competence of Testing and Calibration Laboratories (CNAS-CL01 Accreditation Criteria for the Competence of Testing and Calibration Laboratories) for the competence in the field of testing. • NVLAP (Certificate No. 201034-0) SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. is accredited by the National Voluntary Laboratory Accreditation Program(NVLAP). Certificate No. 201034-0. • FCC –Designation Number: CN5033 SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. has been recognized as an accredited testing laboratory. Designation Number: CN5033. Test Firm Registration Number: 479755. • Industry Canada (IC) – IC Assigned Code: 8617A The 3m Semi-anechoic chamber of SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. has been registered by Certification and Engineering Bureau of Industry Canada for radio equipment testing with Registration No.: 8617A-1. • VCCI (Member No.: 3061) The 3m Semi-anechoic chamber and Shielded Room of SGS-CSTC Standards Technical Services (Shanghai) Co., Ltd. has been registered in accordance with the Regulations for Voluntary Control Measures with Registration No.: R-13868, C-14336, T-12221, G-10830 respectively.

SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Report No.: SHEM181100991503 Page: 6 of 8 4 Test Standards and Limits 4.1 FCC Radiofrequency radiation exposure limits: According to§1.1310, the limit for general population/uncontrolled exposures Frequency Power density(mW/cm 2) Averaging time(minutes) 300MHz~1.5GHz f/1500 30 1.5GHz~100GHz 1.0 30 4.2 IC Radiofrequency radiation exposure limits: According to RSS-102 section 2.5.2, RF exposure evaluation is required if the separation distance between the user and/or bystander and the device’s radiating element is greater than 20 cm, except when the device operates as follows: below 20 MHz and the source-based, time-averaged maximum e.i.r.p. of the device is equal to or less than 1 W (adjusted for tune-up tolerance); • at or above 20 MHz and below 48 MHz and the source-based, time-averaged maximum e.i.r.p. of the device is equal to or less than 4.49/ƒ0.5 W (adjusted for tune-up tolerance), where ƒ is in MHz; • at or above 48 MHz and below 300 MHz and the source-based, time-averaged maximum e.i.r.p. of the device is equal to or less than 0.6 W (adjusted for tune-up tolerance); • at or above 300 MHz and below 6 GHz and the source-based, time-averaged maximum e.i.r.p. of the device is equal to or less than 1.31 x 10-2 ƒ0.6834 W (adjusted for tune-up tolerance), where ƒ is in MHz; • at or above 6 GHz and the source-based, time-averaged maximum e.i.r.p. of the device is equal to or less than 5 W (adjusted for tune-up tolerance). For 2.4G device, the limit of worse case is 2.68 W

SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Report No.: SHEM181100991503 Page: 7 of 8 5 Measurement and Calculation 5.1 Maximum transmit power The Power Data is based on the RF Test Report SHEM181100991501 & SHEM181100991502. Test Frequency Output Power Reading Power Test Mode (MHz) (dBm) (mW) 2402 -1.14 0.77 BLE 2442 -1.24 0.75 2480 -1.45 0.72 2.4G WiFi Test Test Power Power Mode Channel [dBm] [mW] 11B 2412 12.86 19.32 11B 2437 13.44 22.08 11B 2462 13.36 21.68 11G 2412 12.89 19.45 11G 2437 13.58 22.80 11G 2462 13.41 21.93 11N20SISO 2412 12.56 18.03 11N20SISO 2437 13.30 21.38 11N20SISO 2462 13.10 20.42

SGS-CSTC Standards Technical Services Co., Ltd. Shanghai Branch Report No.: SHEM181100991503 Page: 8 of 8 5.2 MPE Calculation For FCC: PG According to the formula S= , we can calculate S which is MPE. 4R 2 Note: dBm 1) P (Watts) =Power Input to antenna = 10 10 / 1000 2) G (Antenna gain in numeric) = 10^ (Antenna gain in dBi /10) 3) R = distance to the center of radiation of antenna (in meter) = 20cm 4) MPE limit = 1mW/cm² For BLE The Max Conducted Peak Output Power is 0.77mW The best case gain of the antenna is 0dBi. 0dB logarithmic terms convert to numeric result is nearly 1. PG 0.77 x 1 S= 2 = =0.0002 mW/cm2 4R π 4 × 400 × 3.14 For 2.4G WiFi The Max Conducted Peak Output Power is 22.80mW The best case gain of the antenna is 2dBi. 2dB logarithmic terms convert to numeric result is nearly 1.58. PG 22.80 x 1.58 S= = =0.007 mW/cm2 2 4R π 4  400  3.14 For IC: E.I.R.P.= P*G= 0.77×1=0.00077W＜2.68W E.I.R.P.= P*G= 22.80×1.58=0.036W＜2.68W The BT and the DTS modules can simultaneous transmitting at frequency 2.4GHz band.But the 0.0002 0.007 maximum rate of MPE is  =0.0072<=1.0. according to the KDB447498 section 7.2 1.0 1.0 determine the device is exclusion from SAR test. --End of the Report--


Document Created: 2019-03-21 11:35:15
Document Modified: 2019-03-21 11:35:15
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