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SCS-F18: Project and Product Certification Representative Authorization Letter Page 1 of 2 Rev 6.0 775 Montague Expressway Milpitas, CA 95035 Tel: 408-526-1188 Fax: 408-526-1088 Email: [email protected] Project and Product Certification Representative Authorization Letter Reason for Amendment (current / obsolete) Revision History Approved Date From To Initial Release (obsolete) 1.0 1.0 Nov-14-2006 Revised wording (obsolete) 1.0 2.0 Sept–25-2007 Updated company template (obsolete) 2.0 3.0 Jan-31-2012 Updated letter information (obsolete) 3.0 4.0 May-23-2014 Added FCC ID field (obsolete) 4.0 5.0 Sep-16-2014 Updated company name & logo (current) 5.0 6.0 Jun-27-2018 SCS-F18: Project and Product Certification Representative Authorization Letter Page 2 of 2 Rev 6.0 RHC Holding Corporation. 2020.6.19 To: BVCPS, INC. 775 Montague Expressway, Milpitas, CA 95035 USA Dear Sir/Madam, Re: Product Certification Representative Authorization Letter We, _____ RHC Holding Corporation..____ hereby authorize Bureau Veritas Consumer Product Services, Inc. to act as a Certification Body for certifying for the following project(s): FCC ID: 2AUQK-WIEMS Product Description: PROCO WIEMS Model: WTEMS Sincerely, Client’s signature Client’s name: Eddy Keys Title : New Product Development Contact information / address : 3581 LARCH LANE, JACKSON, MISSOURI 63755 USA

SCS-F19: Confidentiality Request Letter Page 1 of 2 Rev 6.0 775 Montague Expressway Milpitas, CA 95035 Tel: 408-526-1188 Fax: 408-526-1088 Email: [email protected] Confidentiality Request Letter Reason for Amendment (current / obsolete) Revision History Approved Date From To Initial Release (obsolete) 1.0 1.0 Nov-14-2006 Adding CFR 2.459 (obsolete) 1.0 2.0 August – 11 - 2008 Updated company template & Added text box (obsolete) 2.0 3.0 Jan-31-2012 Added IC confidentiality letter form (obsolete) 3.0 4.0 March-26-2015 Corrections to STC form. Added reference to KDB (obsolete) 4.0 5.0 Nov-19-2015 Updated company logo (current) 5.0 6.0 Jun-26-2019 SCS-F19: Confidentiality Request Letter Page 2 of 2 Rev 6.0 RHC Holding Corporation. 2020.6.19 To: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD Subject: Permanent Confidentiality Request for FCC ID: 2AUQK-WIEMS Pursuant to sections 0.457 and 0.459 of CFR 47, we respectfully request permanent confidential treatment of the following Exhibits accompanying this application as: - Block Diagram - Schematics - Operational Description - SOFTWARE SECURITY REQUIREMENTS FOR U-NII DEVICES for 5GHz The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. The applicant understands that disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely, Client’s signature Client’s name: Eddy Keys Title : New Product Development Contact information / address : 3581 LARCH LANE, JACKSON, MISSOURI 63755 USA

Bureau Veritas Shenzhen Co., Ltd. Dongguan Branch No. 96, Guantai Road (Houjie Section), Houjie Town, Dongguan City, Guangdong Province. 523942. People’s Republic of China. Tel.: +86 769 8998 2098 Fax: +86 769 8593 1080 Email: [email protected] Page 1 of 5 Report Version 1 Reference No.: 191205N008 PHOTOGRAPHS OF THE EUT Bureau Veritas Shenzhen Co., Ltd. Dongguan Branch No. 96, Guantai Road (Houjie Section), Houjie Town, Dongguan City, Guangdong Province. 523942. People’s Republic of China. Tel.: +86 769 8998 2098 Fax: +86 769 8593 1080 Email: [email protected] Page 2 of 5 Report Version 1 Reference No.: 191205N008 Bureau Veritas Shenzhen Co., Ltd. Dongguan Branch No. 96, Guantai Road (Houjie Section), Houjie Town, Dongguan City, Guangdong Province. 523942. People’s Republic of China. Tel.: +86 769 8998 2098 Fax: +86 769 8593 1080 Email: [email protected] Page 3 of 5 Report Version 1 Reference No.: 191205N008 Bureau Veritas Shenzhen Co., Ltd. Dongguan Branch No. 96, Guantai Road (Houjie Section), Houjie Town, Dongguan City, Guangdong Province. 523942. People’s Republic of China. Tel.: +86 769 8998 2098 Fax: +86 769 8593 1080 Email: [email protected] Page 4 of 5 Report Version 1 Reference No.: 191205N008 Bureau Veritas Shenzhen Co., Ltd. Dongguan Branch No. 96, Guantai Road (Houjie Section), Houjie Town, Dongguan City, Guangdong Province. 523942. People’s Republic of China. Tel.: +86 769 8998 2098 Fax: +86 769 8593 1080 Email: [email protected] Page 5 of 5 Report Version 1 Reference No.: 191205N008

Label and Location

Bureau Veritas Shenzhen Co., Ltd. Dongguan Branch No. 96, Guantai Road (Houjie Section), Houjie Town, Dongguan City, Guangdong Province. 523942. People’s Republic of China. Tel.: +86 769 8998 2098 Fax: +86 769 8593 1080 Email: [email protected] Page 1 of 3 Report Version 1 Reference No.: 191205N008 PHOTOGRAPHS OF THE EUT Bureau Veritas Shenzhen Co., Ltd. Dongguan Branch No. 96, Guantai Road (Houjie Section), Houjie Town, Dongguan City, Guangdong Province. 523942. People’s Republic of China. Tel.: +86 769 8998 2098 Fax: +86 769 8593 1080 Email: [email protected] Page 2 of 3 Report Version 1 Reference No.: 191205N008 RF ANT Bureau Veritas Shenzhen Co., Ltd. Dongguan Branch No. 96, Guantai Road (Houjie Section), Houjie Town, Dongguan City, Guangdong Province. 523942. People’s Republic of China. Tel.: +86 769 8998 2098 Fax: +86 769 8593 1080 Email: [email protected] Page 3 of 3 Report Version 1 Reference No.: 191205N008

Bureau Veritas Shenzhen Co., Ltd. Dongguan Branch No. 96, Guantai Road (Houjie Section), Houjie Town, Dongguan City, Guangdong Province. 523942. People’s Republic of China. Tel: +86 769 8998 2098 Fax: +86 769 8593 1080 Email: [email protected] Page 1 of 6 Report Version 1 Test Report No.: FM191205N008 RF EXPOSURE REPORT Applicant RHC Holding Corporation. Address 3581 Larch Lane, Jackson, Missouri 63755 USA Manufacturer or Supplier RHC Holding Corporation. Address 3581 Larch Lane, Jackson, Missouri 63755 USA Product PROCO WIEMS Brand Name PROCO Model WTEMS Additional Model & Model Difference N/A Date of tests Dec. 05, 2019 ~ May 15, 2020 FCC Part 2 (Section 2.1091) KDB 447498 D01 IEEE C95.1 CONCLUSION: The submitted sample was found to COMPLY with the test requirement Tested by Breeze Jiang Project Engineer / EMC Department Approved by Glyn He Assistant Manager / EMC Department Date: Jun. 19, 2020 This report is governed by, and incorporates by reference, CPS Conditions of Service as posted at the date of issuance of this report at http://www.bureauveritas.com/home/about-us/our-business/cps/about-us/terms-conditions/and is intended 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. Measurement uncertainty is only provided upon request for accredited tests. You have 60 days from date of issuance of this report to notify us of any material error or omission caused by our negligence or if you require measurement uncertainty; 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 you unqualified acceptance of the completeness of this report, the tests conducted and the correctness of the report contents. Bureau Veritas Shenzhen Co., Ltd. Dongguan Branch No. 96, Guantai Road (Houjie Section), Houjie Town, Dongguan City, Guangdong Province. 523942. People’s Republic of China. Tel: +86 769 8998 2098 Fax: +86 769 8593 1080 Email: [email protected] Page 2 of 6 Report Version 1 Test Report No.: FM191205N008 TABLE OF CONTENTS RELEASE CONTROL RECORD ................................................................................ 3 1. CERTIFICATION .............................................................................................. 4 2. RF EXPOSURE LIMIT ..................................................................................... 5 3. MPE CALCULATION FORMULA ..................................................................... 5 4. CLASSIFICATION ........................................................................................... 5 5. ANTENNA GAIN .............................................................................................. 6 6. CALCULATION RESULT OF MAXIMUM CONDUCTED POWER ................... 6 Bureau Veritas Shenzhen Co., Ltd. Dongguan Branch No. 96, Guantai Road (Houjie Section), Houjie Town, Dongguan City, Guangdong Province. 523942. People’s Republic of China. Tel: +86 769 8998 2098 Fax: +86 769 8593 1080 Email: [email protected] Page 3 of 6 Report Version 1 Test Report No.: FM191205N008 RELEASE CONTROL RECORD ISSUE NO. REASON FOR CHANGE DATE ISSUED FM191205N008 Original release Jun. 19, 2020 Bureau Veritas Shenzhen Co., Ltd. Dongguan Branch No. 96, Guantai Road (Houjie Section), Houjie Town, Dongguan City, Guangdong Province. 523942. People’s Republic of China. Tel: +86 769 8998 2098 Fax: +86 769 8593 1080 Email: [email protected] Page 4 of 6 Report Version 1 Test Report No.: FM191205N008 1. CERTIFICATION PRODUCT: PROCO WIEMS BRAND NAME: PROCO MODEL NO.: WTEMS ADDITIONAL MODEL: N/A FCC ID: 2AUQK-WIEMS APPLICANT: RHC Holding Corporation. TESTED DATES: Dec. 05, 2019 ~ May 15, 2020 STANDARDS: FCC Part 2 (Section 2.1091) KDB 447498 D01 IEEE C95.1 Bureau Veritas Shenzhen Co., Ltd. Dongguan Branch No. 96, Guantai Road (Houjie Section), Houjie Town, Dongguan City, Guangdong Province. 523942. People’s Republic of China. Tel: +86 769 8998 2098 Fax: +86 769 8593 1080 Email: [email protected] Page 5 of 6 Report Version 1 Test Report No.: FM191205N008 2. RF EXPOSURE LIMIT LIMITS FOR MAXIMUM PERMISSIBLE EXPOSURE (MPE) FREQUENCY RANGE (MHz) ELECTRIC FIELD STRENGTH (V/m) MAGNETIC FIELD STRENGTH (A/m) POWER DENSITY (mW/cm 2 ) AVERAGE TIME (minutes) LIMITS FOR GENERAL POPULATION / UNCONTROLLED EXPOSURE 300-1500 ... ... F/1500 30 1500-100,000 ... ... 1.0 30 F = Frequency in MHz 3. MPE CALCULATION FORMULA Pd = (Pout*G) / (4*pi*r 2 ) where Pd = power density in mW/cm 2 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 4. 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. Bureau Veritas Shenzhen Co., Ltd. Dongguan Branch No. 96, Guantai Road (Houjie Section), Houjie Town, Dongguan City, Guangdong Province. 523942. People’s Republic of China. Tel: +86 769 8998 2098 Fax: +86 769 8593 1080 Email: [email protected] Page 6 of 6 Report Version 1 Test Report No.: FM191205N008 5. ANTENNA GAIN The antennas provided to the EUT, please refer to the following table: Frequency Band Antenna Gain (dBi) Antenna Type 5727-58…

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Bureau Veritas Shenzhen Co., Ltd. Dongguan Branch No. 96, Guantai Road (Houjie Section), Houjie Town, Dongguan City, Guangdong Province. 523942. People’s Republic of China. Tel: +86 769 8998 2098 Fax: +86 769 8593 1080 Email: [email protected] Page 1 of 41 Report Version 1 Test Report No.: RF191205N008 TEST REPORT Applicant RHC Holding Corporation. Address 3581 Larch Lane, Jackson, Missouri 63755 USA Manufacturer or Supplier RHC Holding Corporation. Address 3581 Larch Lane, Jackson, Missouri 63755 USA Product Name PROCO WIEMS Brand Name PROCO Model WTEMS Additional Model & Model Difference N/A Date of tests Dec. 05, 2019 ~ May 15, 2020 The tests have been carried out according to the requirements of the following standard: FCC Part 15, Subpart E, Section 15.407 CONCLUSION: The submitted sample was found to COMPLY with the test requirement Tested by Breeze Jiang Project Engineer/ EMC Department Approved by Glyn He Assistant Manager / EMC Department Date: Jun. 19, 2020 This report is governed by, and incorporates by reference, CPS Conditions of Service as posted at the date of issuance of this report at http://www.bureauveritas.com/home/about-us/our-business/cps/about-us/terms-conditions/and is intended 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. Measurement uncertainty is only provided upon request for accredited tests. You have 60 days from date of issuance of this report to notify us of any material error or omission caused by our negligence or if you require measurement uncertainty; 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 you unqualified acceptance of the completeness of this report, the tests conducted and the correctness of the report contents. Bureau Veritas Shenzhen Co., Ltd. Dongguan Branch No. 96, Guantai Road (Houjie Section), Houjie Town, Dongguan City, Guangdong Province. 523942. People’s Republic of China. Tel: +86 769 8998 2098 Fax: +86 769 8593 1080 Email: [email protected] Page 2 of 41 Report Version 1 Test Report No.: RF191205N008 TABLE OF CONTENTS RELEASE CONTROL RECORD ............................................................................................................ 4 1. SUMMARY OF TEST RESULTS .................................................................................................... 5 1.1 MEASUREMENT UNCERTAINTY ......................................................................................... 5 2. GENERAL INFORMATION ............................................................................................................ 6 2.1 GENERAL DESCRIPTION OF EUT .............................................................................................. 6 2.2 DESCRIPTION OF TEST MODES ................................................................................................ 7 2.2.1 TEST MODE APPLICABILITY AND TESTED CHANNEL DETAIL ........................................ 7 2.3 DUTY CYCLE OF TEST SIGNAL .................................................................................................. 9 2.4 DESCRIPTION OF SUPPORT UNITS .......................................................................................... 9 2.5 GENERAL DESCRIPTION OF APPLIED STANDARDS ............................................................... 9 3. TEST TYPES AND RESULTS ...................................................................................................... 10 3.1 RADIATED EMISSION AND BANDEDGE MEASUREMENT ................................................... 10 3.1.1 LIMITS OF RADIATED EMISSION AND BANDEDGE MEASUREMENT ....................... 10 3.1.2 LIMITS OF UNWANTED EMISSION OUT OF THE RESTRICTED BANDS ................... 11 3.1.3 TEST INSTRUMENTS ..................................................................................................... 12 3.1.4 TEST PROCEDURES ..................................................................................................... 13 3.1.5 DEVIATION FROM TEST STANDARD ........................................................................... 13 3.1.6 TEST SETUP ................................................................................................................... 14 3.1.7 EUT OPERATING CONDITION ...................................................................................... 15 3.1.8 TEST RESULTS .............................................................................................................. 16 3.2 CONDUCTED EMISSION MEASUREMENT ........................................................................... 23 3.2.1 LIMITS OF CONDUCTED EMISSION MEASUREMENT ............................................... 23 3.2.2 TEST INSTRUMENTS ..................................................................................................... 23 3.2.3 TEST PROCEDURES ..................................................................................................... 24 3.2.4 DEVIATION FROM TEST STANDARD ........................................................................... 24 3.2.5 TEST SETUP ................................................................................................................... 24 3.2.6 EUT OPERATING CONDITIONS ....................................................…

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Bureau Veritas Shenzhen Co., Ltd. Dongguan Branch No. 96, Guantai Road (Houjie Section), Houjie Town, Dongguan City, Guangdong Province. 523942. People’s Republic of China. Tel.: +86 769 8998 2098 Fax: +86 769 8593 1080 Email: [email protected] Page 1 of 3 Report Version 1 Reference No.: 191205N008 SET-UP FOR CONDUCTED EMISSION TEST Bureau Veritas Shenzhen Co., Ltd. Dongguan Branch No. 96, Guantai Road (Houjie Section), Houjie Town, Dongguan City, Guangdong Province. 523942. People’s Republic of China. Tel.: +86 769 8998 2098 Fax: +86 769 8593 1080 Email: [email protected] Page 2 of 3 Report Version 1 Reference No.: 191205N008 SET-UP FOR RADIATED EMISSION TEST Frequency Range< 30MHz~1GHz > Bureau Veritas Shenzhen Co., Ltd. Dongguan Branch No. 96, Guantai Road (Houjie Section), Houjie Town, Dongguan City, Guangdong Province. 523942. People’s Republic of China. Tel.: +86 769 8998 2098 Fax: +86 769 8593 1080 Email: [email protected] Page 3 of 3 Report Version 1 Reference No.: 191205N008 Frequency Range< Above 1GHz >