2AMNT-KS431KeySmart iPro

How To Assemble Your KeySmart iPro Scan the QR code or go to getkeysmart.com/instructions and follow the instructions to add up to 14 of your existing keys. How to Use the Flashlight Press the Flashlight button to turn on and release to turn off. Double-click the Flashlight button to turn on the flashlight for 10 seconds. The flashlight will turn off automatically if pressed for more than 3 minutes to preserve battery life. Features of the Apple Find My app KeySmart iPro is a special edition that works exclusively with the Apple Find My network. The Apple Find My network provides an easy, secure way to locate compatible personal items on a map using the Find My app on your iPhone, iPad, iPod touch, or Mac, or using the Find Items app on Apple Watch. Simply pair your compatible product with the Apple Find My app to view it right alongside your Apple devices. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance 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 equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: -Reorient or relocate the receiving antenna. -Increase the separation between the equipment 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. FCC RF exposure statement: The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction. KeySmart iPro contains small parts that could be harmful to young children and pets. Legal Use of the Works with Apple badge means that a product has been designed to work specifically with the technology identified in the badge and has been certified by the product manufacturer to meet Apple Find My network product specifications and requirements. Apple is not responsible for the operation of this device or use of this product or its compliance with safety and regulatory standards. Apple Find My, Apple Watch, Find My, iPhone, iPad, iPadOS, iPod touch, Mac, macOS and watchOS are trademarks of Apple Inc. IOS is a trademark of Cisco and is used under license. Warranty KeySmart iPro is designed to make your life easier. That’s why every KeySmart iPro is covered under warranty for a one full year against defects in materials and workmanship. To learn more, visit getkeysmart.com/warranty. Use And Care The KeySmart iPro is water-resistant but not waterproof. We encourage you to bring your KeySmart iPro along on most of your wild adventures, but deep-sea explorations (and the like) are not recommended. It is not recommended that you expose the KeySmart iPro to extreme hot or cold temperatures. FCC 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; (2) this device must accept any interference received, including interference that may cause undesired operation. Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. Hello, Curv Group,LLC 860 Bonnie Ln,Elk Grove Village,IL60007,USA 1 Charge Before Use 2 3 before you add keys to your KeySmart iPro let’s get it connected to the Apple Find My app. Quickly press and release the Find My button. Your KeySmart iPro will beep once and the LED will flash green. Open the Apple Find My app on your iOS device, tap the “+” and select “Add Other Item” from the menu. The KeySmart iPro will appear on screen. Tap to connect and set a custom name and icon for your keys. Before using your KeySmart iPro for the first time, make sure to fully charge the battery. While charging, the indicator light will be orange. When the battery is fully charged, the indicator light will be green. KeySmartKeySmartkeysmart For instructions in French, German, and Spanish go to Pour obtenir des instructions en français, rendez-vous sur Eine deutsche Anleitung finden Sie unter Para obtener instrucciones en español, vaya a getkeysmart.com/instructions Thank you for using KeySmart iPro KS431 Front plateBack plate12 spacers 2 screwsBottle opener Micro-USB cable What’s Included FRONTOUTSIDE LEFTOUTSIDE RIGHT BACKINSIDE LEFTINSIDE RIGHT Via the Find My app: Open the Find My app, tap the Items tab, and tap your KeySmart iPro. Scroll to the bottom of the Item Detail card. The serial number is displayed below Manufacturer 1. a. b. On the device: Disassemble the KeySmart iPro. The serial number is printed on the underside of the plate. 2. a. How To Find The Serial Number To find your device's serial number, follow the steps below. If your item ever goes missing, you can put it in Lost Mode to display a message and contact information to anyone who might find it. The Find My network is encrypted and anonymous, so no one else, not even Apple or the maker of your personal item, can view its location. Requirements To use the Find My app to locate this item, the latest version of iOS, iPadOS, or macOS is recommended. The Find Items app on Apple Watch requires the latest version of watchOS. Privacy The Apple Find My network uses advanced encryption to ensure that no one else, not even Apple or KeySmart can view the location of your KeySmart iPro. How to Enable or Disable the Apple Find My network If you would like to disable you…

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1 Antenna specification 1、Antenna introduction The Bluetooth module antenna is directly used on the PCB. Manufacturer：Lenze Design Inc Address： 7th Floor,Ching Po Building,Shenzhen Special Zone Press Group,Futian District,Shenzhen 2、Antenna shape 2 3、Antenna parameter The antenna operates at 2400-2500 MHz and generates resonance in this band. The table below shows the main parameters of the antenna. Frequency(MHz) 2400 ~ 2500 MHz VSWR ≤ 1.95 Impedance 50 Ohm Nominal Return Loss -15 dB Max Radiation Omni -directional Gain (Peak) 1.08dBi Polarization Linear, Vertical Admitted Power 1MW Connector Tin 3 4、Antenna gain report Spectrum Detector: PK Test Date : Feb 18, 2019 Test By: Mark Temperature : 25°C Test Result: PA S S Humidity : 52 % Modulation: GFSK Frequency VNA (MHz) E Total.(dBi) 2400MHz 0.04 2410MHz 0.089 2420MHz 0.27 2430MHz 0.19 2440MHz 0.26 2450MHz 0.07 2460MHz 0.37 2470MHz 0.55 2480MHz 0.64 2490MHz 1.05 2500MHz 1.08 4 Direction map： PHI 0° 5 PHI 90° THETA 90°

C5266091_X8_Ed.1 1/1 Letter of Authorization Company: Curv Group, LLC Address:860 Bonnie Ln, Elk Grove Village,IL 60007, USA Product Name:KeySmart iPro Model Number:KS431 FCC Identifier: 2AMNT-KS431 We authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, to act on our behalf on all matters concerning the above named equipment. Any individual within LGAI Technological Center S.A. is authorized to act on our behalf and take action on the application. We declare that authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, is allowed to forward all information related to the approval project to the Federal Communication Commission and to discuss any issues concerning the approval application. Any and all acts carried out by LGAI Technological Center S.A. on our behalf shall have the same effect as acts of our own. Name:Michael Mike Date: 9/19/2022 Title: sourcing and Logistics Manager Signature of applicant:

C5266091_X10_Ed.2 1/1 Curv Group, LLC Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046Date: 9/19/2022 Subject: Request for Confidentiality FCC ID: 2AMNT-KS431 To Whom It May Concern, Pursuant to the provisions of Sections 0.457 and 0.459 of Commission's rules (47CFR0.457, 0.459), we are requesting the Commission to withhold the following attachment(s) as confidential document from public disclosure. 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 NOTE 1: Long-Term Confidentiality may be permitted under special conditions (See II. LONG-TERM CONFIDENTIALITY, Section 3 of KDB 726920, use last in force) NOTE 2: Short-Term Confidentiality can be requested for a maximum of 180 days from the date of the grant. 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. In case of short-term Confidentiality, the applicant requests the exhibits selected above are withheld from public view for a period of ______ days from the date of the Grant of Equipment Authorization and prior to marketing. It is our understanding that all measurement test reports, FCC ID label format and correspondent during certification review process cannot be granted as confidential documents and those information will be available for public review once the grant of equipment authorization is issued. C5266091_X10_Ed.2 1/1 Sincerely, Signature: Name:Michael Mike Title: sourcing and Logistics Manager

Page1of4 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Tel: (86-755)88850135 Fax: (86-755) 88850136 Web:www.mtitest.com E-mail: [email protected] Appendix - Ext Photos Model: KS431 Photo 1 Photo 2 Page2of4 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Tel: (86-755)88850135 Fax: (86-755) 88850136 Web:www.mtitest.com E-mail: [email protected] Photo 3 Photo 4 Page3of4 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Tel: (86-755)88850135 Fax: (86-755) 88850136 Web:www.mtitest.com E-mail: [email protected] Photo 5 Photo 6 Page4of4 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Tel: (86-755)88850135 Fax: (86-755) 88850136 Web:www.mtitest.com E-mail: [email protected] Photo 7 Photo 8 ----End of Report----

Page1of3 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Tel: (86-755)88850135 Fax: (86-755) 88850136 Web:www.mtitest.com E-mail: [email protected] Appendix - Int Photos Model: KS431 Photo 1 Photo 2 Page2of3 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Tel: (86-755)88850135 Fax: (86-755) 88850136 Web:www.mtitest.com E-mail: [email protected] Photo 3 Photo 4 Page3of3 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Tel: (86-755)88850135 Fax: (86-755) 88850136 Web:www.mtitest.com E-mail: [email protected] Photo 5 ----End of Report---- ANT

Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China. Tel: (86-755)88850135 Fax: (86-755) 88850136 Web: www.mtitest.com E-mail: [email protected] RF EXPOSURE Test Report Report No.: MTi220824005-04E2 Date of issue: 2022-09-13 Applicant: Curv Group, LLC Product: KeySmart iPro Model(s): KS431 FCC ID: 2AMNT-KS431 Shenzhen Microtest Co., Ltd. http://www.mtitest.com - Page 2 of 6- Report No.: MTi220824005-04E2 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China. Tel: (86-755)88850135 Fax: (86-755) 88850136 Web: www.mtitest.com E-mail: [email protected] Instructions 1. The report shall not be partially reproduced without the written consent of the laboratory; 2. The test results of this report are only responsible for the samples submitted; 3. This report is invalid without the seal and signature of the laboratory; 4. This report is invalid if transferred, altered or tampered with in any form without authorization; 5. Any objection to this report shall be submitted to the laboratory within 15 days from the date of receipt of the report. - Page 3 of 6- Report No.: MTi220824005-04E2 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China. Tel: (86-755)88850135 Fax: (86-755) 88850136 Web: www.mtitest.com E-mail: [email protected] TEST RESULT CERTIFICATION Applicant’s name .................... : Curv Group, LLC Address .................................. : 860 Bonnie Ln, Elk Grove Village,IL 60007, USA Manufacturer's Name ............. : Shenzhen Xinzhensheng Electronics CO., LTD. Address .................................. : Building 20, HuaLun Science & Technology Park, XingYe 1st Road, Baoan District, ShenZhen Product description Product name ........................... : KeySmart iPro Trademark ............................. : KeySmart Model Name .......................... : KS431 Serial Model ............................ N/A Standards ............................... : N/A Test procedure ....................... : KDB 447498 D01 v06 Date of Test Date (s) of performance of tests ............ : 2022-09-02 ~ 2022-09-13 Test Result ............................................. : Pass This device described above has been tested by Shenzhen Microtest Co., Ltd. and the test results show that the equipment under test (EUT) is in compliance with the FCC requirements. And it is applicable only to the tested sample identified in the report. Testing Engineer : (David Lee) Technical Manager : (Leon Chen) Authorized Signatory : (Tom Xue) - Page 4 of 6- Report No.: MTi220824005-04E2 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China. Tel: (86-755)88850135 Fax: (86-755) 88850136 Web: www.mtitest.com E-mail: [email protected] Table of Contents 1. STANDALONE SAR TEST EXCLUSION CONSIDERATIONS ............................................................................................ 5 2. SAR TEST EXCLUCSION THRESHOLDS ........................................................................................................................ 6 - Page 5 of 6- Report No.: MTi220824005-04E2 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China. Tel: (86-755)88850135 Fax: (86-755) 88850136 Web: www.mtitest.com E-mail: [email protected] 1. Standalone SAR test exclusion considerations Unless specifically required by the published RF exposure KDB procedures, standalone 1-g head or body and 10-g extremity SAR evaluation for general population exposure conditions, by measurement or numerical simulation, is not required when the corresponding SAR Test Exclusion Threshold condition(s), listed below, is (are) satisfied. These test exclusion conditions are based on source-based time-averaged maximum conducted output power of the RF channel requiring evaluation, adjusted for tune-up tolerance, and the minimum test separation distance required for the exposure conditions. The minimum test separation distance defined in 4.1 f) is determined by the smallest distance from the antenna and radiating structures or outer surface of the device, according to the host form factor, exposure conditions and platform requirements, to any part of the body or extremity of a user or bystander. To qualify for SAR test exclusion, the test separation distances applied must be fully explained and justified, typically in the SAR measurement or SAR analysis report, by the operating configurations and exposure conditions of the transmitter and applicable host platform requirements, according to the required published RF exposure KDB procedures. When no other RF exposure testing or reporting are required, a statement of justification and compliance must be included in the equipment approval, in lieu of the SAR report, to qualify for SAR test exclusion. When required, the device specific conditions described in the other published RF exposure KDB procedures must be satisfied before applying these SAR test exclusion provisions. a) For 100 MHz to 6 GHz and test separation distances ≤ 50 mm, the 1-g and 10-g SAR test exclusion thresholds are determined by the following: [(max. power of channel, including tune-up tolerance, mW) / (min. test separation distance, mm)] · [√f(GHz)] ≤ 3.0 for 1-g SAR, and ≤ 7.5 for 10-g extremity SAR, where  f (GHz) is the RF channel transmit frequency in GHz  Power and distance are rounded to the nearest mW and mm before calculation  The result is rounded to one decimal place for comparison  The values 3.0 and 7.5 are referred to as numeric thresholds in step b) below The test exclusions are applicable only when the minimum test separation distance is ≤ 50 mm, and for transmission frequencies between 100 MHz a…

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Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Tel : (8 6-755)88850135 Fax: (86-755) 88850136 We b : www.mtitest.com E-mail: [email protected] Test Report Report No.: MTi220824005-04E1 Date of issue: 2022-09-13 Applicant: Curv Group, LLC Product: KeySmart iPro Model(s): KS431 FCC ID: 2AMNT-KS431 Shenzhen Microtest Co., Ltd. http://www.mtitest.com Page 2 of 43 Report No.: MTi220824005-04E1 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Te l : (86-755)88850135 Fax: (86-755) 88850136 Web: www.mtitest.com E-mail: [email protected] Instructions 1. This test report shall not be partially reproduced without the written consent of the laboratory. 2. The test results in this test report are only responsible for the samples submitted 3. This test report is invalid without the seal and signature of the laboratory. 4. This test report is invalid if transferred, altered, or tampered with in any form without authorization. 5. Any objection to this test report shall be submitted to the laboratory within 15 days from the date of receipt of the report. Page 3 of 43 Report No.: MTi220824005-04E1 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Te l : (86-755)88850135 Fax: (86-755) 88850136 Web: www.mtitest.com E-mail: [email protected] Contents 1 General Description ........................................................................................................................ 5 1.1 Description of EUT ............................................................................................................................................. 5 1.2 Description of test modes ................................................................................................................................... 5 1.3 Measurement uncertainty ................................................................................................................................... 6 2 Summary of Test Result .................................................................................................................. 7 3 Te st Facilities and Accreditations .................................................................................................. 8 3.1 Test laboratory .................................................................................................................................................... 8 4 Equipment List ................................................................................................................................ 9 5 Test Result ..................................................................................................................................... 10 5.1 Antenna requirement ........................................................................................................................................ 10 5.2 AC power line conducted emissions................................................................................................................. 11 5.3 6dB occupied bandwidth .................................................................................................................................. 14 5.4 Conducted peak output power ......................................................................................................................... 17 5.5 Power spectral density test .............................................................................................................................. 20 5.6 Conducted emissions at the band edge ........................................................................................................... 23 5.7 Conducted spurious emissions ........................................................................................................................ 26 5.8 Duty Cycle ........................................................................................................................................................ 31 5.9 Radiated spurious emission ............................................................................................................................. 33 Photographs of the Test Setup ............................................................................................................ 42 Photographs of the EUT....................................................................................................................... 43 Page 4 of 43 Report No.: MTi220824005-04E1 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Te l : (86-755)88850135 Fax: (86-755) 88850136 Web: www.mtitest.com E-mail: [email protected] Test Result Certification Applicant: Curv Group, LLC Address: 860 Bonnie Ln, Elk Grove Village,IL 60007, USA Manufacturer: Shenzhen Xinzhensheng Electronics CO., LTD. Address: Building 20, HuaLun Science & Technology Park, XingYe 1st Road, Baoan District, ShenZhen Product description Product name: KeySmart iPro Trademark: KeySmart Model name: KS431 Serial Model: N/A Standards: FCC 47 CFR Part 15 Subpart C Test method: ANSI C63.10-2013 Date of Test Date of test: 2022-09-02 ~ 2022-09-13 Te s t result: Pass Test Engineer : (David Lee) Reviewed By: : (Leon Chen) Approved By: : (Tom Xue) Page 5 of 43 Report No.: MTi220824005-04E1 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Te l : (86-755)88850135 Fax: (86-755) 88850136 Web: www.mtitest.com E-mail: [email protected] 1 General Description 1.1 Description of EUT Product name: KeySmart iPro Model name: KS431 Series Model: N/A Model difference: N/A Electrical rating: Input: DC 5V/0.5A Battery: DC 3.7V 40mAh Hardware version: VER002 Softwar…

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Page 1 of 2 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Te l : (86-755)88850135 Fax: (86-755) 88850136 Web: www.mtitest.com E-mail: [email protected] Appendix - Test Setup Photos Model: KS431 Radiated emissions – Below 1 GHz Radiated emissions – Above 1 GHz Page 2 of 2 Address: 101, No. 7, Zone 2, Xinxing Industrial Park, Fuhai Avenue, Xinhe Community, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Te l : (86-755)88850135 Fax: (86-755) 88850136 Web: www.mtitest.com E-mail: [email protected] Conducted emissions ----End of Report----