2BCZG-D02Smart Lock

2 2 NQRE FFCC WARNING This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept a ny interference received, including interference that may cause undesired operation. Any changes or mo difications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. NOTE: This equipment has been tested and found to comply with the limi ts for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to p rovide reasonable protection against harmful interference in a residential installation. This equipme nt generates, uses and can radiate radio frequency energy and, if not installed and used in accordanc e with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipme nt off and on, the user is encouraged to try to correct the interference by one or more of the follow ing measures: -- Reorient or relocate the receiving antenna. -- Increase the separation between the equ ipment and receiver. -- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. -- Consult the dealer or an experienced radio/TV technician for help. To ma intain compliance with FCC’s RF Exposure guidelines, This equipment should be installed and operated with minimum 20cm distance between the radiator and your body: Use only the supplied antenna.

(Xiamen Gangta Networks Technology Co.,Ltd.) (September 23, 2023) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(i) request for (FCC ID: 2BCZG-D02) [Xiamen Gangta Networks Technology Co.,Ltd.] (“the applicant”) certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Sincerely, (Applicant signature) (Applicant printed name) Jamie Xie (Xiamen Gangta Networks Technology Co.,Ltd.) (September 23, 2023) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(ii) request for (FCC ID: 2BCZG-D02) [Xiamen Gangta Networks Technology Co.,Ltd.] (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. Sincerely, (Applicant signature) (Applicant printed name) Jamie Xie

Attestation Statements (Sep. 15, 2023) TO: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046, USA RE: Attestation Statements Part 2.911(d)(7) request for (FCC ID: 2BCZG-D02) (Xiamen Gangta Networks Technology Co.,Ltd.), the undersigned, hereby authorize (STEYR INC ) to act as our designated U.S. agent for service of process, (Xiamen Gangta Networks Technology Co.,Ltd.) accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. (STEYR INC ) accepts the responsibility to act as designated U.S. agent for service of process, provides an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. Applicant Information ： Company name: Xiamen Gangta Networks Technology Co.,Ltd. Contact Name: Jamie Xie Address: 2F, Qixing Mansion, No.178 Qixing West Road, Siming District, Xiamen, China Telephone No: 13538214502 Email: [email protected] U.S. Agent Information: Company Name: STEYR INC Address: 1312 17th Street #692, Denver, CO 80202, United States Contact Name: Fairy Lee Telephone No: 01 303-7319873 Email: [email protected] FRN: 0033737586 Agent Signature: Applicant Signature: Applicant printed name: Qin Song Agent printed name: Fairy Lee

Xiamen Gangta Networks Technology Co.,Ltd. Model Difference Data：September 23, 2023 Product description: Smart Lock Model name: D02, D01, D03, D04 Trade Name: N/A FCC ID: 2BCZG-D02 All the model are the same circuit and RF module, except model names . Regards Sincerely Client’s signature : Client’s name / title : Jamie Xie（General Manager） Contact information / address：2F, Qixing Mansion, No.178 Qixing West Road, Siming District, Xiamen, China

Xiamen Gangta Networks Technology Co.,Ltd. (September 23, 2023) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR (Smart Lock / D02, D01, D03, D04 / FCC ID: 2BCZG-D02 ) To Whom It May Concern: This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. We have requested that the Exhibits Long-Term Confidentiality Short-Term Confidentiality NOTE 2 ID Label/Location No No Attestation Statement No No External Photos No ☐ Block Diagram ☒ ☐ Schematics ☒ ☐ Test Report No No Test Setup Photos No ☐ User’s Manual ☐ NOTE 1 ☒ Internal Photos ☐ NOTE 1 ☒ Parts List / Tune Up ☐ ☐ RF Exposure Info No No Operational Description ☒ ☐ Cover Letter(s) No No SDR Software / Security Info ☐ No required to be submitted with this application be permanently withheld from public review. Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. Please contact me if there is any information you may need. Sincerely, Signature: Name: Jamie Xie Title: General Manager

Xiamen Gangta Networks Technology Co.,Ltd. (September 23, 2023) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize (Shenzhen CTB Testing Technology Co., Ltd.) to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). This agreement expires one year from the current date. Sincerely, Signature: Name: Jamie Xie Title: General Manager

External Photos

Internal Photos ANT

FCC §15.247 (i), §2.1091 – RF Exposure FCC ID: 2BCZG-D02 Applied procedures / limit According to FCC §15.247(i) and §1.1307(b)(1), systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy level in excess of the Commission’s guidelines. Limits for Occupational / Controlled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/ cm 2 ) Averaging Time |E| 2 ,|H| 2 or S (minutes) 0.3-3.0 614 1.63 (100)* 6 3.0-30 1842 / f 4.89 / f (900 / f)* 6 30-300 61.4 0.163 1.0 6 300-1500 F/300 6 1500-100,000 5 6 Note: ƒ is frequency in MHz * = Power density limit is applicable at frequencies greater than 100 MHz Limits for General Population / Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/ cm 2 ) Averaging Time |E| 2 ,|H| 2 or S (minutes) 0.3-1.34 614 1.63 (100)* 30 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 Note: f = frequency in MHz * = Plane-wave equivalent power density MPE PREDICTION Predication of MPE limit at a given distance, Equation from OET Bulletin 65, Edition 97-01 Where: S = power density P = power input to antenna G = power gain of the antenna in the direction of interest relative to an isotropic radiator R = distance to the center of radiation of the antenna,R=20cm Test Result of RF Exposure Evaluation Modes& Channel Freq. (MHz) Tune up Produce power Maximu m peak output power (dBm) Output power to antenna (mW) Antenna Gain (numeric) Power Density (S) (mW/ cm2) Limit (mW / cm2 ) Result BLE GFSK& HCH 0±1 1 1.2589 1.7947 (2.54dBi) 0.0005 1 Pass

Fingerprint combination lock Bluetooth antenna Xiamen Gangta Networks Technology Co.,Ltd. Company Xiamen Gangta Networks Technology Co.,Ltd. Antenna PCB antenna Editor Date 2022.12.6 Version V1.0 Frequency（MHz） 2400 2450 2500 Return Loss -8.73 -11.76 -11.21 VSWR 2.16 1.71 1.77 Freq.（MHz） Effi（%） Gain（dBi） 2400 52.29 1.62 2410 52.17 1.71 2420 53.14 1.93 2430 54.16 1.98 2440 57.62 2.00 2450 59.64 2.17 2460 61.55 2.45 2470 60.64 2.38 2480 62.86 2.54 2490 59.85 2.30 2500 60.41 2.49 Antenna Dimensions

Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB230919001RFX Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 1 of 35 TEST REPORT Compiled by: Reviewed by: Approved by: Zhou Kui Arron Liu Bin Mei / Director Note: If there is any objection to the inspection results in this report, please submit a written report to the company within 15 days from the date of receiving the report. The test report is effective only with both signature and specialized stamp. This result(s) shown in this report refer only to the sample(s) tested. Without written approval of Shenzhen CTB Testing Technology Co., Ltd. this report can’t be reproduced except in full. The tested sample(s) and the sample information are provided by the client. “*” indicates the testing items were fulfilled by subcontracted lab. “#” indicates the items are not in CNAS accreditation scope. Product Name: Smart Lock FCC ID: 2BCZG-D02 Trademark: N/A Model Number: D02, D01, D03, D04 Prepared For: Xiamen Gangta Networks Technology Co.,Ltd. Address: 2F, Qixing Mansion, No.178 Qixing West Road, Siming District, Xiamen, China Manufacturer: Xiamen Gangta Networks Technology Co.,Ltd. Address: 2F, Qixing Mansion, No.178 Qixing West Road, Siming District, Xiamen, China Prepared By: Shenzhen CTB Testing Technology Co., Ltd. Address: 1&2/F., Building A, No.26, Xinhe Road, Xinqiao, Xinqiao Street, Bao'an District, Shenzhen, Guangdong, China Sample Received Date: Sep. 15, 2023 Sample tested Date: Sep. 15, 2023 to Sep. 19, 2023 Issue Date: Sep. 19, 2023 Report No.: CTB230919001RFX Test Standards FCC Part15.247 ANSI C63.10:2013 Test Results PASS Remark: This is Bluetooth radio test report. Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB230919001RFX Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 35 TABLE OF CONTENT Test Report Declaration Page 1. VERSION ........................................................................................................................................ 3 2. TEST SUMMARY ........................................................................................................................... 4 3. MEASUREMENT UNCERTAINTY ................................................................................................. 5 4. PRODUCT INFORMATION AND TEST SETUP ............................................................................ 6 4.1 Product Information .......................................................................................................................... 6 4.2 Test Setup Configuration .................................................................................................................. 6 4.3 Support Equipment........................................................................................................................... 6 4.4 Channel List ..................................................................................................................................... 7 4.5 Test Mode ........................................................................................................................................ 7 4.6 Test Environment ............................................................................................................................. 7 5. TEST FACILITY AND TEST INSTRUMENT USED ....................................................................... 8 5.1 Test Facility ...................................................................................................................................... 8 5.2 Test Instrument Used ....................................................................................................................... 8 6. AC POWER LINE CONDUCTED EMISSION ................................................................................ 10 6.1 Block Diagram Of Test Setup ......................................................................................................... 10 6.2 Limit ................................................................................................................................................ 10 6.3 Test procedure ............................................................................................................................... 10 6.4 Test Result ..................................................................................................................................... 12 7. RADIATED SPUR IOUS EMISSION ............................................................................................. 14 7.1 Block Diagram Of Test Setup ......................................................................................................... 14 7.2 Limit ................................................................................................................................................ 14 7.3 Test procedure ............................................................................................................................... 15 7.4 Test Result ..................................................................................................................................... 16 8. BAND EDGE AND RF COUNDUCTED SPURIOUS EMISSIONS ............................................... 23 8.1 Block Diagram Of Test Setup ......................................................................................................... 23 8.2 Limit ................................................................................................................................................ 23 8.3 Test procedure ............................................................................................................................... 23 8.4 Test Result ..................................................................................................................................... 24 9. COUDUCTED OUTPUT POWER ................................................................................................. 26 9.1 Block Diagr…

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Radiated Emission Below 1G Above 1G Conducted emissions