2BUSN-1520402UTOPIC RX ELECTROMECHANICAL SMART LOCK

USER MANUAL 08/08/2025 updated. Utopic RX & Desi Smart App ! GENERAL INFORMATION and WARNINGS -Before using your smart lock, Locking way (right or left handed door) and Number of turns should be adjusted properly. Otherwise, the smart lock will not work in the correct way and maybe broken. - - For emergency conditions, we recommend you to put the keys in an accessible place (like car, bag etc.) If there is any problem with the door or the locking mechanism, first of all, those problems have to be solved. The door's mechanical parts and locking mechanism have to work properly. - If there is a problem with the device, first look to the troubleshooting part of this manual. If you cannot solve the problem, contact your dealer. - - - All the system needs to be protected from water, direct sunlight and shocks. Auto-rotating parts oft he device can cause injuries during installation. BE CAREFUL! If you are leaving your home for an extended period of time, first fully charge your smart lock and take your mechanical key with you. If you would leave more than 2 months, after charging your smart lock, either shift the smart lock to childlock mode. Otherwise, the batteries of your product would die due to deep discharge. -The electronic knob is not suitable for manual rotation. If it is try to turned by force, the buttons and electronic system may be damaged. You can rotate the lock manually with the handle on the knob. IMPORTANT WARNING: IF THE CHARGING PROCESS ENDS LESS THAN 15 MINUTES EVEN SMART LOCK HAS LOW BATTERY LEVEL, DO NOT ATTEMPT CHARGING AGAIN AND CALL SERVICE IMMEDIATELY. 2 POTENTIALLY EXPLOSIVE ATMOSPHERES Areas with a potentially explosive atmosphere are often, but not always marked clearly. Potential areas may include: fueling areas (such as gasoline stations); below deck on boats; fuel or chemical transfer or storage facilities; areas using liquefi ed petroleum gas (such as propane or butane); areas where the air contains chemicals or particles (such as grain, dust, or metal powders); and any other area where it would normally be advisable not to install the Utopic. SAFETY INFORMATIONS ABOUT BATTERIES 1.Dispose of the used battery according to the instructions provided with the battery. 2.Do not drop, puncture, disassemble, mutilate, or incinerate the battery. 3.Touching both terminals of a battery with a metal object will short circuit the battery. 4.Do not carry batteries loosely if the contacts may touch coins, keys, and other metal objects. 5.Do not heat the batteries. 6.Please use smart lock in operating ranges. 7.We advise to not change battery by yourself. 8.Do not mix different batteries and install inside the Utopic. 9.Do not mix used and new batteries. 10.Charging period of your device is around 3 hours. We recommend you to charge it under supervision. We recommend to charge your device once in two months even if the batteries are not empty. Do not leave charger on the smart lock after fully charge operation. 11.With your own risk, you can use any 5 V DC USB chargers or a powerbank. Use high quality chargers (super chargers are not supported), cables and powerbanks only. 3 12.If you are leaving your home for an extended period of time, first fully charge your motorized cylinder and take your mechanical key with you. DISPOSAL OF WASTE BATTERIES The symbol (crossed out wheeled-bin) on your battery indicates that the battery shall not be disposed with other unsorted waste, but shall be collected separately and handed over to your local community waste collection point or other available collection points for the recycling, at the end of its use. If a chemical symbol is printed under the symbol it indicates that chemical substances (Hg = mercury, Cd = cadmium or Pb = lead) are contained in the battery. Inappropriate waste handling could possibly have a negative eff ect on the environment and human health due to potential hazardous substances. With your cooperation in the correct disposal of this battery, you contribute to reuse, recycle and recover the batteries and our environment will be protected. For more information, please contact the Government Waste-Disposal department in your country or the shop where the battery was purchased. WARRANTY DESi products are covered by a limited manufacturer warranty. DESi warranty is limited to the warranty rules and legislation present in each country. The warranty only covers manufacturing faults. The warranty does not cover misuse, wrong installation or damage due to a faulty installation or wrong maintenance. The invoice act as the proof of warranty, so please keep it as reference for any warranty complaints. 4 1. DEVICE FEATURES Structure ABS Plastic - Zamak Dimensions 60mm Diameter - 58mm Length Batteries and Usage Time Lithium-ion rechargeable batteries are used. In tests conducted by DESi, with 10 full 2-turn open-close operations per day, the usage time is 120 days. Connection Low Energy Near Connection 1.2. KUTU İÇERİĞİ (May vary based on model) 1 x Smart Lock 1 x Type-C USB Charging Cable 1 x Special Adhesive for Door 1 x Mounting Adapters for Thumbturn 2 x Allen Key 1 x Key Adapter Plastic 5 3. DEVICE PARTS AND COMPATIBLE ACCESSORIES Control Options and Compatible Accessories Fingerprint Reader Keypad Automatic Locking Module Home Automation Interface Remote Controllers Smart Bridge *all sold separately. Charge Port Button 6 4. DEVICE INSTALLATION (IF THE CYLINDER EXTENDS FROM THE DOOR SURFACE) Min. 2 mm O U T S I D E The existing cylinder needs to extend at least 2mm beyond the surface to properly fit the smart lock. IMPORTANT 1. Insert the key into your existing lock and leave it in a fixed position. 2. Place the Utopic RX smart lock in the correct position, ensuring it fits perfectly onto the cylinder. 3. Align the smart lock carefully with the lock cylinder and mount it securely. 4. Tighten the 4 setscrew bolts on the Utopic RX using a screwdriver until fully secure. This ensures the lock is firmly attached. 7 4.1. DEVICE…

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FCC ID: 2BUSN-1520402 External Photos of the EUT FCC ID: 2BUSN-1520402 FCC ID: 2BUSN-1520402

Label and Location Size: L: 2.0cm*W: 1.0cm Label and Location FCC ID : 2BUSN-1520402

FCC ID: 2BUSN-1520402 Internal Photos of the EUT FCC ID: 2BUSN-1520402 Antenna

Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn RF Exposure evaluation Report Reference No. .................... : FCC ID. ........................................... : CTA26011900702 2BUSN-1520402 Compiled by ( position+printed name+signature) . : File administrators Zoey Cao Supervised by ( position+printed name+signature) . : Project Engineer Ace Chai Approved by ( position+printed name+signature) . : RF Manager Eric Wang Date of issue .................................... : Jan. 23, 2026 Testing Laboratory Name .............. : Shenzhen CTA Testing Technology Co., Ltd. Address ........................................... : Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Applicant’s name ........................... : DESI ALARM VE GUVENLIK SISTEMLERI SANAYI TICARET A. S. Address ........................................... : Orta Mahalle, Anadolu Sokak, No.1, Bayrampasa, ISTANBUL, Turkey Standard ........................................... : 47CFR §1.1310 47CFR §2.1093 KDB447498 D01 General RF Exposure Guidance v06 Shenzhen CTA Testing Technology Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purpses as long as the Shenzhen CTA Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen CTA Testing Technology Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Test item description ..................... : UTOPIC RX ELECTROMECHANICAL SMART LOCK Trade Mark ....................................... : UTOPIC SMART LOCK Manufacturer .................................... : DESI ALARM VE GUVENLIK SISTEMLERI SANAYI TICARET A. S. Model/Type reference ...................... : 152.04.02.10.001 Listed Models ................................... : N/A Ratings ............................................. : Input: 5V 1A Battery: 7.4V 850mAh 6.29Wh Result ............................................... : PASS Report No.: CTA26011900702 Page 2 of 8 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn T E S T R E P O R T Equipment under Test : UTOPIC RX ELECTROMECHANICAL SMART LOCK Model /Type : 152.04.02.10.001 Listed Models : N/A Applicant : DESI ALARM VE GUVENLIK SISTEMLERI SANAYI TICARET A. S. Address : Orta Mahalle, Anadolu Sokak, No.1, Bayrampasa, ISTANBUL, Turkey Manufacturer : DESI ALARM VE GUVENLIK SISTEMLERI SANAYI TICARET A. S. Address : Orta Mahalle, Anadolu Sokak, No.1, Bayrampasa, ISTANBUL, Turkey Test Result: PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Report No.: CTA26011900702 Page 3 of 8 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn Contents 1 TEST STANDARDS ............................................................................................................ 4 2 SUMMARY .......................................................................................................................... 5 2.1 General Remarks ..................................................................................................... 5 2.2 Product Description ................................................................................................. 5 2.3 Special Accessories ................................................................................................. 5 2.4 Modifications ............................................................................................................ 5 3 TEST ENVIRONMENT ....................................................................................................... 6 3.1 Address of the test laboratory .................................................................................. 6 3.2 Test Facility .............................................................................................................. 6 3.3 Statement of the measurement uncertainty ............................................................. 6 4 Test limit .............................................................................................................................. 7 4.1 Requirement ............................................................................................................ 7 4.2 Conducted Power Results ....................................................................................... 7 4.3 Manufacturing tolerance .......................................................................................... 7 4.4 Evaluation Result ..................................................................................................... 8 4.5 Simultaneous Transmission for SAR Exclusion ...................................................... 8 5 Conclusion ........................................................................................................................... 8 Report No.: CTA26011900702 Page 4 of 8 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn 1 T …

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1. Antenna Description: Antenna type Internal antenna Model 152.04.02.10.001 Frequency range 2400-2500MHz Manufacturer DESI ALARM VE GUVENLIK SISTEMLERI SANAYI TICARET A. S. Address Orta Mahalle, Anadolu Sokak, No.1, Bayrampasa, ISTANBUL, Turkey ANT Peak Gain 0.83 dBi 2. Antenna Photo: 3. Test Equipment & Conditions 3.1 Test instrument VSWR is tested using Agilent E5071B connected to a hand mechanism, and the status is free space. 3.2 Test environment and methods 4．Antenna Radiation Pattern 2400MHz 2450MHz 2500MHz

Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn FCC PART 15 SUBPART C TEST REPORT FCC PART 15.247 Report Reference No. .................. : FCC ID. ......................................... : CTA26011900701 2BUSN-1520402 Compiled by ( position+printed name+signature) : File administrators Zoey Cao Supervised by ( position+printed name+signature) : Project Engineer Ace Chai Approved by ( position+printed name+signature) : RF Manager Eric Wang Date of issue ...................................: Jan. 23, 2026 Testing Laboratory Name .............: Shenzhen CTA Testing Technology Co., Ltd. Address ..........................................: Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Applicant’s name...........................: DESI ALARM VE GUVENLIK SISTEMLERI SANAYI TICARET A. S. Address ...........................................: Orta Mahalle, Anadolu Sokak, No.1, Bayrampasa, ISTANBUL, Turkey Test specification ......................... : Standard ..........................................: FCC Part 15.247 Shenzhen CTA Testing Technology Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen CTA Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen CTA Testing Technology Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Equipment description ................ : UTOPIC RX ELECTROMECHANICAL SMART LOCK Trade Mark ......................................: UTOPIC SMART LOCK Manufacturer ...................................: DESI ALARM VE GUVENLIK SISTEMLERI SANAYI TICARET A. S. Model/Type reference .....................: 152.04.02.10.001 Listed Models ..................................: N/A Modulation ......................................: GFSK Frequency .......................................: From 2402MHz to 2480MHz Ratings ............................................: Input: 5V 1A Battery: 7.4V 850mAh 6.29Wh Result ..............................................: PASS Report No.: CTA26011900701 Page 2 of 38 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn T E S T R E P O R T Equipment under Test : UTOPIC RX ELECTROMECHANICAL SMART LOCK Model /Type : 152.04.02.10.001 Listed Models : N/A Applicant : DESI ALARM VE GUVENLIK SISTEMLERI SANAYI TICARET A. S. Address : Orta Mahalle, Anadolu Sokak, No.1, Bayrampasa, ISTANBUL, Turkey Manufacturer : DESI ALARM VE GUVENLIK SISTEMLERI SANAYI TICARET A. S. Address : Orta Mahalle, Anadolu Sokak, No.1, Bayrampasa, ISTANBUL, Turkey Test Result: PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Report No.: CTA26011900701 Page 3 of 38 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn Contents 1 TEST STANDARDS ...................................................................................................................................... 4 2 SUMMARY .................................................................................................................................................... 5 2.1 General Remarks .............................................................................................................................. 5 2.2 Product Description* .......................................................................................................................... 5 2.3 Equipment Under Test ....................................................................................................................... 5 2.4 Short description of the Equipment under Test (EUT) ...................................................................... 5 2.5 EUT configuration .............................................................................................................................. 5 2.6 EUT operation mode ......................................................................................................................... 5 2.7 Block Diagram of Test Setup ............................................................................................................. 6 2.8 Related Submittal(s) / Grant (s) ......................................................................................................... 6 2.9 Modifications ...................................................................................................................................... 6 3 TEST ENVIRONMENT ................................................................................................................................. 7 3.1 Address of the test laboratory ........................................................................................................... 7 3.2 Test Facility........................................................................................................................................ 7 3.3 Environmental conditions .................................................................................................................. 7 3.4 Summary of measurement results ......................…

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1 FCC Appendix RF Test Data for BLE FCC ID : 2BUSN-1520402 Company : DESI ALARM VE GUVENLIK SISTEMLERI SANAYI TICARET A. S. EUT : UTOPIC RX ELECTROMECHANICAL SMART LOCK Model Number : 152.04.02.10.001 Report No. : CTA26011900701 Reviewed By : Eric Wang 2 Appendix A: DTS Bandwidth Test Result TestMode Antenna Freq(MHz) DTS BW [MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict BLE_1M Ant1 2402 0.640 2401.696 2402.336 0.5 PASS 2440 0.644 2439.692 2440.336 0.5 PASS 2480 0.664 2479.680 2480.344 0.5 PASS 3 Test Graphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 4 5 Appendix B: Occupied Channel Bandwidth Test Result TestMode Antenna Freq(MHz) OCB [MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict BLE_1M Ant1 2402 1.0094 2401.5191 2402.5285 --- --- 2440 1.0074 2439.5186 2440.5260 --- --- 2480 1.0128 2479.5190 2480.5318 --- --- 6 Test Graphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 7 8 Appendix C: Maximum conducted output power Test Result Peak TestMode Antenna Freq(MHz) Conducted Peak Powert[dBm] Conducted Limit[dBm] Verdict BLE_1M Ant1 2402 0.33 ≤30 PASS 2440 -0.25 ≤30 PASS 2480 -0.51 ≤30 PASS 9 Appendix D: Maximum power spectral density Test Result TestMode Antenna Freq(MHz) Result[dBm/3kHz] Limit[dBm/3kHz] Verdict BLE_1M Ant1 2402 -15.29 ≤8.00 PASS 2440 -15.82 ≤8.00 PASS 2480 -15.80 ≤8.00 PASS 10 Test Graphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 11 12 Appendix E: Band edge measurements Test Result TestMod e Antenn a ChNam e Freq(MHz ) RefLevel[dBm ] Result[dBm ] Limit[dBm ] Verdic t BLE_1M Ant1 Low 2402 -0.20 -54.04 ≤-20.2 PASS High 2480 -0.52 -51.74 ≤-20.52 PASS 13 Test Graphs BLE_1M_Ant1_Low_2402 BLE_1M_Ant1_High_2480 14 Appendix F: Conducted Spurious Emission Test Result TestMode Antenna Freq(MHz) FreqRange [MHz] RefLevel [dBm] Result[dBm] Limit[dBm] Verdict BLE_1M Ant1 2402 Reference -1.22 -1.22 --- PASS 30~1000 -1.22 -67.97 ≤-21.22 PASS 1000~26500 -1.22 -43.82 ≤-21.22 PASS 2440 Reference -1.80 -1.80 --- PASS 30~1000 -1.80 -68.26 ≤-21.8 PASS 1000~26500 -1.80 -43.26 ≤-21.8 PASS 2480 Reference -1.44 -1.44 --- PASS 30~1000 -1.44 -68.15 ≤-21.44 PASS 1000~26500 -1.44 -42.32 ≤-21.44 PASS 15 Test Graphs BLE_1M_Ant1_2402_0~Reference BLE_1M_Ant1_2402_30~1000 BLE_1M_Ant1_2402_1000~26500 16 BLE_1M_Ant1_2440_0~Reference BLE_1M_Ant1_2440_30~1000 17 BLE_1M_Ant1_2440_1000~26500 BLE_1M_Ant1_2480_0~Reference BLE_1M_Ant1_2480_30~1000 18 BLE_1M_Ant1_2480_1000~26500 19 Appendix G: Duty Cycle Test Result TestMode Antenna Freq(MHz) ON Time [ms] Period [ms] X DC [%] xFactor Limit Verdict BLE_1M Ant1 2402 0.41 0.62 0.6613 66.13 1.80 --- --- 2440 0.42 0.63 0.6667 66.67 1.76 --- --- 2480 0.41 0.62 0.6613 66.13 1.80 --- --- 20 Test Graphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 21 22 Appendix H: Emissions in Restricted Bands Test Result TestMod e Antenn a ChNam e Freq(MH z) Detector Freq [MHz] Result [dBm] Gain [dB] DC Factor [dB] Result [dBuV/m] Limit [dBuV/m] Verdict BLE_1M Ant1 Low 2402 AV 2310.000 -60.17 2.00 1.80 38.83 ≤54 PASS AV 2371.190 -58.63 2.00 1.80 40.37 ≤54 PASS AV 2390.000 -59.72 2.00 1.80 39.28 ≤54 PASS Peak 2310.000 -52.01 2.00 0.00 45.19 ≤74 PASS Peak 2379.065 -49.05 2.00 0.00 48.15 ≤74 PASS Peak 2390.000 -50.43 2.00 0.00 46.77 ≤74 PASS High 2480 AV 2483.500 -56.82 2.00 1.80 42.18 ≤54 PASS AV 2483.520 -56.82 2.00 1.80 42.18 ≤54 PASS AV 2500.000 -59.57 2.00 1.80 39.43 ≤54 PASS Peak 2483.500 -50.23 2.00 0.00 46.97 ≤74 PASS Peak 2484.240 -46.21 2.00 0.00 50.99 ≤74 PASS Peak 2500.000 -51.59 2.00 0.00 45.61 ≤74 PASS Note：The limit in dBm for average detector is conversion from 54dBuV/m, according to 15.209(a). The limit in dBm for peak detector is 20dB above the limit of average detector in dBm. 23 Test Graphs BLE_1M_Ant1_Low_2402_AV BLE_1M_Ant1_Low_2402_Peak BLE_1M_Ant1_High_2480_AV 24 BLE_1M_Ant1_High_2480_Peak

FCC ID: 2BUSN-1520402 Test Setup Photos of the EUT FCC ID: 2BUSN-1520402