2ABFG-YRD450BLEV1Digital Door Lock

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iRevo-ASSA ABLOY Korea 10f of JEI PLATZ Bldg., 186, Gasandigital 1‐ro, Geumcheon‐gu, Seoul, 08502, Korea April 14, 2022 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road, Columbia, MD 21046 To Whom It May Concern: I, the undersigned, hereby authorize Lab Manager Hyunchae, You (or Jinhyoung, Cho) of SGS Korea Co., Ltd. and hereafter referred to as SGS Korea, to act on our behalf in all manners relating to application for equipment authorization, including signing of all documents relating to these matters. Any and all acts carried out by Lab Manager Hyunchae, You (or Jinhyoung, Cho) of SGS Korea Co., Ltd. on our behalf shall have the same effect as acts of our own. I, the undersigned, hereby certify that we are not subject to a denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti‐Drug Abuse Act of 1988, 21 U.S.C. 853(a). In authorizing SGS Korea as our agent, we still recognize that we are responsible to: a) comply with the relevant provisions of the certification program; b) make all necessary arrangements for the conduct of the evaluation, including provision for examining documentation and access to all areas, records (including internal audit reports) and personnel for the purposes of evaluation (e.g. testing, inspection, assessment, surveillance, reassessment) and resolution of complaints; c) make claims regarding certification only in respect of the scope for which certification has been granted; d) do not use our product certification in such a manner as to bring the Certification Division into disrepute and not make any statement regarding our product certification which the Certification Division may consider misleading or unauthorized; e) upon suspension or cancellation of certification, discontinue use of all advertising matter that contains any reference thereto and return any certification documents as required by the Certification Division; f) use certification only to indicate the products are certified as being in conformity with specified standards; g) endeavor to ensure that no certificate or report nor any part thereof is used in a misleading manner; h) ensure that any reference to our product certification in communication media such as documents, brochures or advertising, complies with the requirements of the Certification Division; iRevo-ASSA ABLOY Korea 10f of JEI PLATZ Bldg., 186, Gasandigital 1‐ro, Geumcheon‐gu, Seoul, 08502, Korea i) keep a record of all complaints made known to the us relating to the product’s compliance with requirements of the relevant standard and to make these records available to the Certification Division when requested; j) take appropriate action with respect to such complaints and any deficiencies found in products or services that affect compliance with the requirements for certification; k) document the actions taken. This authorization is valid until further written notice from the applicant. Sincerely yours, Name / Title : Jang, Soo‐kyung / Manager Company Name : iRevo‐ASSA ABLOY Korea

Applicant Declaration Applicant Declaration Rev:0.0 SGS North America Inc. 620 Old Peachtree Road SUITE 100 Suwanee, Georgia 30024 United States Applicant Legal Business Name iRevo-ASSA ABLOY Korea Address 10f of JEI PLATZ Bldg., 186, Gasandigital 1-ro, Geumcheon-gu, Seoul, 08502, Korea Grantee Code 2ABFG FCC ID 2ABFG-YRD450BLEV1 Authorized Contact Name Jang, Soo-kyung Contact Email [email protected] Contact Phone 82-2-2107-5741 I, the undersigned, certify that I am an authorized signatory for the Applicant and therefore declare; a) in accordance with 47CFR2.911(d), all of the statements herein and the exhibits attached hereto are true and correct to the best of my knowledge and belief. b) in accepting a Grant of Equipment Authorization issued by a TCB, under the authority of the FCC, as a result of the representations made in this application, the Applicant is responsible for: (1) labeling the equipment with the exact FCC ID as specified in this application, (2) compliance statement labeling pursuant to the applicable rules, (3) compliance of the equipment with the applicable technical rules, c) if the Applicant is not the actual manufacturer of the equipment, appropriate arrangements have been made with the manufacturer to ensure that production units of this equipment will continue to comply with the FCC’s technical requirements. d) in accordance with 47 CFR 2.909 and KDB394321, the Applicant has read, understood and agrees to accept that they are the responsible party and agree to abide by their responsibilities as specified under 47 CFR 2.909 and KDB394321. e) in accordance with ISO17065, FCC KDB641163, FCC KDB610077, KDB394321 and RSP-100, the Applicant has read, understood, accepts and agrees to abide by the post market surveillance requirements. (1) the Applicant understands, accepts and agrees that a sample may be requested for surveillance testing. (2) the Applicant shall make provisions to always have a production sample available upon request by SGS, FCC and/or ISED. (3) the Applicant shall, upon request by SGS, at the Applicant’s expense, provide a production sample of the requested product to SGS, FCC and/or ISED as instructed. The sample shall include all support devices, cables, software, accessories or other hardware or software required for evaluation, review, certification and audit surveillance of products certified by SGS. f) neither the Applicant nor any party to the application is subject to a denial of Federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. §862 because of a conviction for possession or distribution of a controlled substance. See 47CFR 1.2002(b) for the definition of a “party” for these purposes. g) the Applicant has read, understood, accepts and agrees to abide by the SGS North America, Inc.(TCB) terms and conditions. Link to CFRs: https://www.fcc.gov/wireless/bureau-divisions/technologies-systems-and-innovation-division/rules-regulations-title-47 Link to KDBs: https://apps.fcc.gov/oetcf/kdb/index.cfm Link to RSP-100: https://www.ic.gc.ca/eic/site/smt-gst.nsf/eng/sf01130.html Applicant Signature: Date: April 14, 2022 Print Name: Jang, Soo-kyung Title: Manager *NOTE: This declaration cannot be signed by an Agent, it shall be signed by an authorized person listed in the FCC database

iRevo-ASSA ABLOY Korea 10f of JEI PLATZ Bldg., 186, Gasandigital 1‐ro, Geumcheon‐gu, Seoul, 08502, Korea April 14, 2022 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road, Columbia, MD 21046 Request of Confidentiality for FCC ID : 2ABFG‐YRD450BLEV1 To Whom It May Concern: Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules (CFR 47), and Section 552 (b) (4) of the Freedom of Information Act, iRevo‐ASSA ABLOY Korea hereby requests confidentiality and treatment of certain information accompanying this application. The materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might be harmful to the Applicant and provide unjustified benefits to its competitors. We are also hereby request Short‐Term Confidentiality for 180 days after the grant as outlined in Public Notice DA 04‐1705. This provision will give iRevo‐ASSA ABLOY Korea temporary confidentiality of commercially sensitive information prior to product release. The requested Permanent and Temporary Confidential exhibits are listed as follows: CONFIDENTIAL LIST Permanent 1 Block Diagram 2 Operational Descriptions 3 Schematics 4 ‐ Short‐Term 5 External Photos 6 Internal Photos 7 Test‐Setup Photos 8 User’s Manual The Applicant understands that pursuant to Rule 0.457, disclosure of this application and all accompanying documentations, where applicable, will not be made public before the date of the Grant for this application. Sincerely yours, Name / Title : Jang, Soo‐kyung / Manager Company Name : iRevo‐ASSA ABLOY Korea

iRevo-ASSA ABLOY Korea 10f of JEI PLATZ Bldg., 186, Gasandigital 1-ro, Geumcheon-gu, Seoul, 08502, Korea Letter of Declaration Product Equality April 18, 2022 We, as a manufacturer, hereby declare that our product has variant model names as listed below. Variant model is totally same as basic model but it differs in the authentication method that opens the door. Each model differences are described in the below table. Sincerely yours, Soo-Kyung, Jang / Research Engineer iRevo-ASSA ABLOY Korea Tel: +82-2-2107-5741 E-mail: [email protected]

Model name: YRD450 External photos of EUT Model name: YRD450 - Basic Model Top view of EUT Bottom view of EUT Model name: YRD450 Side view of EUT Model name: YRD450 Model name: YRD450 - Variant Model (YRD430) Top view of EUT Bottom view of EUT Model name: YRD450 Side view of EUT Model name: YRD450 Model name: YRD450 - Variant Model (YRD420) Top view of EUT Bottom view of EUT Model name: YRD450 Side view of EUT Model name: YRD450 Model name: YRD450 - Variant Model (YRD410) Top view of EUT Bottom view of EUT Model name: YRD450 Side view of EUT Model name: YRD450

Label Information < Behind of Keypad (on Front Gasket) >

Model name: YRD450 Internal photos of EUT Model name: YRD450 Internal view of EUT Model name: YRD450 Top view of Main PCB Bottom view of Main PCB Model name: YRD450 Top view of Sub PCB1 Bottom view of Sub PCB1 Model name: YRD450 Top view of Sub PCB2 Bottom view of Sub PCB2 Model name: YRD450 View of Antenna & Module Bluetooth Low Energy Module Bluetooth Low Energy Antenna

SGS Korea Co., Ltd. 4, LS-ro 182beon-gil, Gunpo-si, Gyeonggi-do, Korea, 15807 Tel. +82 31 428 5700 / Fax. +82 31 427 2370 http://www.sgsgroup.kr Report Number: F690501-RF-RTL002972 Page: 2 of 6 RTT7081-02(2020.10.05)(5) A4(210 mmx297 mm) INDEX Table of Contents Page 1. General Information -------------------------------------------------------------------------------- 3 2. RF Exposure Evaluation -------------------------------------------------------------------------- 5 SGS Korea Co., Ltd. 4, LS-ro 182beon-gil, Gunpo-si, Gyeonggi-do, Korea, 15807 Tel. +82 31 428 5700 / Fax. +82 31 427 2370 http://www.sgsgroup.kr Report Number: F690501-RF-RTL002972 Page: 3 of 6 RTT7081-02(2020.10.05)(5) A4(210 mmx297 mm) 1. General Information 1.1. Testing Laboratory SGS Korea Co., Ltd. (Gunpo Laboratory) - 10-2, LS-ro 182beon-gil, Gunpo-si, Gyeonggi-do, Korea, 15807 - 4, LS-ro 182beon-gil, Gunpo-si, Gyeonggi-do, Korea, 15807 - Designation number: KR0150 All SGS services are rendered in accordance with the applicable SGS conditions of service available on request and accessible at http://www.sgs.com/en/Terms-and-Conditions.aspx. Telephone : +82 31 688 0901 FAX : +82 31 688 0921 1.2. Details of Applicant Applicant : iRevo-ASSA ABLOY Korea Address : 10f of JEI PLATZ Bldg., 186, Gasandigital 1-ro, Geumcheon-gu, Seoul, South Korea, 08502 Contact Person : Soo-kyung, Jang Phone No. : +82 2 2107 5741 1.3. Details of Manufacturer Company : Same as applicant Address : Same as applicant 1.4. Description of EUT Kind of Product Digital Door Lock Model Name YRD450 Variant Model Names YRD430, YRD420, YRD410 Serial Number Conducted: 001 Radiated: 002,003,004,005 Power Supply DC 6 V Frequency Range 2 402 ㎒ ~ 2 480 ㎒ (Bluetooth Low Energy) Modulation Technique GFSK Number of Channels 40 channels (Bluetooth Low Energy) Antenna Type Slot type Pattern Antenna Antenna Gain ※ 1.79 ㏈i H/W Version PV02 S/W Version V1.0.33 1.5. Test Report Revision Revision Report Number Date of Issue Description 0 F690501-RF-RTL002972 2022.03.11 Initial SGS Korea Co., Ltd. 4, LS-ro 182beon-gil, Gunpo-si, Gyeonggi-do, Korea, 15807 Tel. +82 31 428 5700 / Fax. +82 31 427 2370 http://www.sgsgroup.kr Report Number: F690501-RF-RTL002972 Page: 4 of 6 RTT7081-02(2020.10.05)(5) A4(210 mmx297 mm) 1.6. Description of Variant Models Model name Description Basic model YRD450 - Basic model Variant models YRD430 - Same to basic model except below - Variation models differ in the authentication method that opens the door YRD420 YRD410 SGS Korea Co., Ltd. 4, LS-ro 182beon-gil, Gunpo-si, Gyeonggi-do, Korea, 15807 Tel. +82 31 428 5700 / Fax. +82 31 427 2370 http://www.sgsgroup.kr Report Number: F690501-RF-RTL002972 Page: 5 of 6 RTT7081-02(2020.10.05)(5) A4(210 mmx297 mm) 2. RF Exposure Evaluation 2.1. Environmental evaluation and exposure limit according to FCC CFR 47 part 1, 1.1307(b), 1.1310 LIMITS FOR MAXIMUM PERMISSIBLE EXPOSURE (MPE) 2.1.1. Friis transmission formula: Pd = (Pout*G)/(4*pi*R 2 ) Where Pd = power density in ㎽/㎠ Pout = output power to antenna in ㎽ G = gain of antenna in linear scale R = distance between observation point and center of the radiator in ㎝ Pd the limit of MPE, 1 ㎽/㎠. If we know the maximum gain of the antenna and the total power input to the antenna, through the calculation, we will know the distance where the MPE limit is reached. Frequency Range (㎒) Electric Field Strength (V/m) Magnetic Field Strength (A/m) Power Density (㎽/㎠) Average Time (A) Limits for Occupational/Controlled Exposure 0.3-3.0 614 1.63 *100 6 3.0-30 1842/f 4.89/f *900/f 2 6 30-300 61.4 0.163 1.0 6 300-1 500 - - f/300 6 1 500-100 000 - - 5 6 (B) Limits for General Population/Uncontrolled Exposure 0.3-1.34 614 1.63 *100 30 1.34-30 824/f 2.19/f *180/f 2 30 30-300 27.5 0.073 0.2 30 300-1 500 - - f/1500 30 1 500-100 000 - - 1.0 30 SGS Korea Co., Ltd. 4, LS-ro 182beon-gil, Gunpo-si, Gyeonggi-do, Korea, 15807 Tel. +82 31 428 5700 / Fax. +82 31 427 2370 http://www.sgsgroup.kr Report Number: F690501-RF-RTL002972 Page: 6 of 6 RTT7081-02(2020.10.05)(5) A4(210 mmx297 mm) 2.1.2. Test Result of RF Exposure Evaluation Test Item ： RF Exposure Evaluation Data Test Mode ： Normal Operation 2.1.3. Output Power into Antenna & RF Exposure Evaluation Distance Bluetooth Low Energy - Maximum Tune up Tolerance Frequency (㎒) Maximum Average Target Power (㏈m) Maximum Tune up (㏈) Antenna Gain (㏈i) Power Density at 20㎝ (㎽/㎠) Limits (㎽/㎠) 2 400 ~ 2 483.5 -3.00 1.00 1.79 0.000 190 1 Note; - The power density Pd (5th column) at a distance of 20 ㎝ calculated from the friis transmission formula is far below the limit of 1 ㎽/㎠. - This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. - This equipment should be installed and operated with minimum 20 ㎝ between the radiator and your body. - The antenna gain of this transmitter is less than 6㏈i and must not be collocated or operating in conjunction with any other antenna or transmitter unless authorized to do so by the FCC. - According to KDB 447498 D01 RF Exposure Guidance 4.1. - End of the Test Report -

SGS Korea Co., Ltd. 4, LS-ro 182beon-gil, Gunpo-si, Gyeonggi-do, Korea, 15807 Tel. +82 31 428 5700 / Fax. +82 31 427 2370 http://www.sgsgroup.kr Report Number: F690501-RF-RTL002970 Page: 2 of 72 RTT7081-02(2020.10.05)(0) A4(210 mm * 297 mm) INDEX Table of contents 1. General Information -------------------------------------------------------------------------------------- 3 2. Transmitter Radiated Spurious Emissions and Conducted Spurious Emission ----------- 9 3. 6 ㏈ Bandwidth & 99 % Bandwidth ----------------------------------------------------------------- 58 4. Maximum Peak Conducted Output Power --------------------------------------------------------- 65 5. Power Spectral Density --------------------------------------------------------------------------------- 68 6. Antenna Requirement ----------------------------------------------------------------------------------- 72 SGS Korea Co., Ltd. 4, LS-ro 182beon-gil, Gunpo-si, Gyeonggi-do, Korea, 15807 Tel. +82 31 428 5700 / Fax. +82 31 427 2370 http://www.sgsgroup.kr Report Number: F690501-RF-RTL002970 Page: 3 of 72 RTT7081-02(2020.10.05)(0) A4(210 mm * 297 mm) 1. General Information 1.1. Testing Laboratory SGS Korea Co., Ltd. (Gunpo Laboratory) - 10-2, LS-ro 182beon-gil, Gunpo-si, Gyeonggi-do, Korea, 15807 - 4, LS-ro 182beon-gil, Gunpo-si, Gyeonggi-do, Korea, 15807 - Designation number: KR0150 All SGS services are rendered in accordance with the applicable SGS conditions of service available on request and accessible at http://www.sgs.com/en/Terms-and-Conditions.aspx. Phone No. : +82 31 688 0901 Fax No. : +82 31 688 0921 1.2. Details of Applicant Applicant : iRevo-ASSA ABLOY Korea Address : 10f of JEI PLATZ Bldg., 186, Gasandigital 1-ro, Geumcheon-gu, Seoul, South Korea, 08502 Contact Person : Soo-kyung, Jang Phone No. : +82 2 2107 5741 1.3. Details of Manufacturer Company : Same as applicant Address : Same as applicant 1.4. Description of EUT Kind of Product Digital Door Lock Model Name YRD450 Variant Model Names YRD430, YRD420, YRD410 Serial Number Conducted: 001 Radiated: 002,003,004,005 Power Supply DC 6 V Frequency Range 2 402 ㎒ ~ 2 480 ㎒ (Bluetooth Low Energy) Modulation Technique GFSK Number of Channels 40 channels (Bluetooth Low Energy) Antenna Type Slot type Pattern Antenna Antenna Gain ※ 1.79㏈i H/W Version PV02 S/W Version V1.0.33 SGS Korea Co., Ltd. 4, LS-ro 182beon-gil, Gunpo-si, Gyeonggi-do, Korea, 15807 Tel. +82 31 428 5700 / Fax. +82 31 427 2370 http://www.sgsgroup.kr Report Number: F690501-RF-RTL002970 Page: 4 of 72 RTT7081-02(2020.10.05)(0) A4(210 mm * 297 mm) 1.5. Test Equipment List Equipment Manufacturer Model S/N Cal. Date Cal. Interval Cal. Due Signal Generator R&S SMR40 100272 Jun. 16, 2021 Annual Jun. 16, 2022 Signal Generator R&S SMBV100A 255834 May 31, 2021 Annual May 31, 2022 Spectrum Analyzer R&S FSV30 103454 Nov. 25, 2021 Annual Nov. 25, 2022 Spectrum Analyzer Agilent N9020A MY53421758 Aug. 27, 2021 Annual Aug. 27, 2022 Attenuator AEROFLEX / INMET 26A-10dB 3 Mar. 24, 2021 Annual Mar. 24, 2022 High Pass Filter Wainwright Instrument GmbH WHKX3.0/18G-6SS 21 Jun. 04, 2021 Annual Jun. 04, 2022 High Pass Filter Wainwright Instrument GmbH WHNX7.5/26.5G-6SS 11 Aug. 11, 2021 Annual Aug. 11, 2022 Low Pass Filter Mini-Circuits NLP-1200+ V 8979400903-2 Feb. 10, 2022 Annual Feb. 10, 2023 Power Sensor R&S NRP-Z81 100669 May 07, 2021 Annual May 07, 2022 DC Power Supply R&S HMP2020 022802108 Oct. 29, 2021 Annual Oct. 29, 2022 Preamplifier H.P. 8447F 2944A03909 Aug. 06, 2021 Annual Aug. 06, 2022 Signal Conditioning Unit R&S SCU-18 10117 Jun. 09, 2021 Annual Jun. 09, 2022 Pre Amplifier TESTEK TK-PA1840H 130016 Jan. 10, 2022 Annual Jan. 10, 2023 Loop Antenna Schwarzbeck Mess-Elektronik FMZB 1519 1519-039 Aug. 23, 2021 Biennial Aug. 23, 2023 Bilog Antenna Schwarzbeck Mess-Elektronik VULB 9163 396 Mar. 18, 2021 Annual Mar. 18, 2022 Horn Antenna R&S HF906 100326 Feb. 18, 2022 Annual Feb. 18, 2023 Horn Antenna Schwarzbeck Mess-Elektronik BBHA 9170 9170-540 Nov. 30, 2021 Annual Nov. 30, 2022 EMI Test Receiver R&S ESU26 100109 Jan. 18, 2022 Annual Jan. 18, 2023 Turn Table Innco systems GmbH DS 1200 S N/A N.C.R. N/A N.C.R. Controller Innco systems GmbH CONTROLLER CO3000-4P CO3000/963/38 330516/L N.C.R. N/A N.C.R. Antenna Mast Innco systems GmbH MA4640-XP-ET MA4640/536/38 330516/L N.C.R. N/A N.C.R. Anechoic Chamber SY Corporation L × W × H (9.6 m × 6.4 m × 6.6 m) N/A N.C.R. N/A N.C.R. Coaxial Cable RFONE MWX221-NMSNMS (4 m) J1023142 Sep. 14, 2021 Semi- Annual Mar. 14, 2022 Coaxial Cable RFONE PL520-NMNM-10M (10 m) 20200324001 Sep. 14, 2021 Semi- Annual Mar. 14, 2022 Coaxial Cable RFONE PL360P-292M292M-1.5 M-A 20200324002 Feb. 18, 2022 Semi- Annual Aug. 18, 2022 SGS Korea Co., Ltd. 4, LS-ro 182beon-gil, Gunpo-si, Gyeonggi-do, Korea, 15807 Tel. +82 31 428 5700 / Fax. +82 31 427 2370 http://www.sgsgroup.kr Report Number: F690501-RF-RTL002970 Page: 5 of 72 RTT7081-02(2020.10.05)(0) A4(210 mm * 297 mm) 1.6. Summary of Test Results The EUT has been tested according to the following specifications: APPLIED STANDARD: FCC Part15 Subpart C, RSS-247 Issue 2, RSS-Gen Issue 5 Section in FCC Section in IC Test Item(s) Result 15.205(a) 15.209 15.247(d) RSS-247 Issue 2 5.5 RSS-Gen Issue 5 8.9 Transmitter Radiated Spurious Emissions and Conducted Spurious Emission Complied 15.247(a)(2) RSS-247 Issue 2 5.2(a) RSS-Gen Issue 5 6.7 6 ㏈ Bandwidth & 99 % Bandwidth Complied 15.247(b)(3) RSS-247 Issue 2 5.4(d) Maximum Peak Conducted Output Power Complied 15.247(e) RSS-247 Issue 2 5.2(b) Power Spectral Density Complied 15.207 RSS-Gen Issue 5 8.8 AC Power Line Conducted Emission N/A 1) Note; 1) The AC power line test was not performed because the EUT use battery power for operation and which do not operate from the AC power lines. 1.7. Test Procedure(s) The measurement procedures described in the American National Standard of Procedure for Compliance Testing of unlicensed Wireless Devices (ANSI C63.10-2013) and the guidance provided in KDB 558074 D01 15.247 M…

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Model name: YRD450 Test setup photos of EUT Model name: YRD450 1. Orthogonal plane of EUT - The testing was set in the three orthogonal planes and measured for each position (X, Y, Z). X-axis Y-axis Model name: YRD450 Z-axis Model name: YRD450 2. Photos of Radiated Spurious Emission Test (Below 1㎓) Model name: YRD450 3. Photo of Radiated Spurious Emission Test (Above 1㎓) 4. Photo of Conducted test