2A9RX-OB8SOB8S anti-fall sweeper robot

FCC Warnning: 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 againstharmful interference in a residential installation. This equipment generates, uses and can radiateradio frequency energy and, if not installed and used in accordance with the instructions, maycause harmful interference to radio communications. However, there is no guarantee thatinterference will not occur in a particular installation. If this equipment does cause harmfulinterference to radio or television reception, which can be determined by turning the equipmentoff and on, the user is encouraged to try to correct the interference by one or more of thefollowing 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. Caution: Any changes or modifications to this device not explicitly approved by manufacturer could void your authority to operate this equipment. 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 any interference received, including interference that may cause undesired operation. This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator and your body.

Sincerely, Name/Title： sina Liu/Manager Company: Shantou ObowAI Intelligent Electrical appliances Co.,LTD. Address: No.9,Xinjia Dongyuan 2nd Road Chenghua Street,Chenghai District Shantou,Guangdong China Phone: 0754-89670061 Fax: N/A E-Mail: [email protected]

Shenzhen HTT Technology Co., Ltd. Report No.: HTT202212180 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 1 of 4 Product Name: OB8S anti-fall sweeper robot Model No.: OB8S EUT Constructional Details External Photo Report No.: HTT202212180 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 2 of 4 Report No.: HTT202212180 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 3 of 4 Report No.: HTT202212180 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 4 of 4 ------End------

Shenzhen HTT Technology Co., Ltd. Report No.: HTT202212180 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 1 of 4 Product Name: OB8S anti-fall sweeper robot Model No.: OB8S EUT Constructional Details Internal Photo Report No.: HTT202212180 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 2 of 4 Report No.: HTT202212180 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 3 of 4 Report No.: HTT202212180 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 4 of 4 ------End------

RF Exposure evaluation FCC ID: 2A9RX-OB8S Exposure category: General population/uncontrolled environment EUT Type: Production Unit Device Type: Mobile Device 1. Reference According to §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. According to §1.1310 and §2.1091 RF exposure is calculated. KDB447498 D01: Mobile and Portable Devices RF Exposure Procedures and Equipment Authorization Policies 2. Limit Limits for Maximum Permissible Exposure (MPE)/Controlled Exposure Frequency Range(MHz) Electric Field Strength(V/m) Magnetic Field Strength(A/m) Power Density (mW/cm²) Averaging Time (minute) Limits for Occupational/Controlled Exposure 0.3 – 3.0 3.0 – 30 30 – 300 300 – 1500 1500 – 100,000 614 1842/f 61.4 / / 1.63 4.89/f 0.163 / / (100) * (900/f 2 )* 1.0 f/300 5 6 6 6 6 6 Limits for Maximum Permissible Exposure (MPE)/Uncontrolled Exposure Frequency Range(MHz) Electric Field Strength(V/m) Magnetic Field Strength(A/m) Power Density (mW/cm²) Averaging Time (minute) Limits for Occupational/Controlled Exposure 0.3 – 3.0 3.0 – 30 30 – 300 300 – 1500 1500 – 100,000 614 824/f 27.5 / / 1.63 2.19/f 0.073 / / (100) * (180/f 2 )* 0.2 f/1500 1.0 30 30 30 30 30 F=frequency in MHz *=Plane-wave equivalent power density 3. MPE Calculation Method Predication of MPE limit at a given distance Equation from page 18 of OET Bulletin 65, Edition 97-01 S=PG/4πR² 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 4. Antenna Information OB8S can only use antennas certificated as follows provided by manufacturer; Antenna No. Model No. of antenna: Type of antenna: Gain of the antenna (Max.) Frequency range: BLE / PCB Antenna 0.00dBi for 2400-2500MHz; 5. Manufacturing Tolerance BLE GFSK(Peak) Channel Channel 00 Channel 19 Channel 39 Target (dBm) 2.0 1.0 0.0 Tolerance ±(dB) 1.0 1.0 1.0 6. Standalone MPE Result As declared by the Applicant, the EUT is a wireless device used in a fix application, at least 20 cm from any body part of the user or nearby persons; from the maximum EUT RF output power, the minimum separation distance, r =20cm, as well as the gain of the used antenna is 0.0dBi, the RF power density can be obtained. Modulation Type Output power Antenna Gain (dBi) Antenna Gain (linear) MPE (mW/cm 2 ) MPE Limits (mW/cm 2 ) dBm mW BLE 3.0 1.9953 0.0 1.000 0.0004 1.0000 Remark: 1. Output power (Peak) including turn-up tolerance; 2. MPE evaluate distance is 20cm from user manual provide by manufacturer. 7. Conclusion The measurement results comply with the FCC Limit per 47 CFR 2.1091 for the uncontrolled RF Exposure of mobile device. ----------------THE END OF REPORT---------------

Doc No. IS-QR-PD-010 Antenna specification Rev. V1.0 Page 1/10 All rights 2013/05/22 reserved. Antenna specification Antenna specification Doc No. IS-QR-PD-010 Rev. V1.0 Page 2/10 All rights 2013/05/22 reserved. Antenna model: MARB AT V1.0 APPlications ※Bluetooth Home RF ※ISM band 2.4GHz applications 1.Dimensions 2.Specifications ‣Company Name Shantou ObowAI Intelligent Electrical appliances Co.,LTD. ‣Company address No.9,Xinjia Dongyuan 2nd Road,Chenghua Street,Chenghai District,Shantou,Guangdong,China Antenna specification Doc No. IS-QR-PD-010 Rev. V1.0 Page 3/10 All rights 2013/05/22 reserved. number Item Specifications 1 Working Central Frequency 2441 MHz 2 Band Width (2402-2480)MHz 3 Gain 0dBi 4 VSWR ≤2.0 5 Antenna type PCB antenna 6 Azimuth Beam width Omni‐directional 7 Impedance 50ohm 8 Modulation mode GFSK 3.simulation parameter ① VSWR Mkr1: 2397MHz 1.47 Mkr2: 2450MHz 1.51 Mkr3: 2482 MHz 1.59 ②Smith Char Antenna specification Doc No. IS-QR-PD-010 Rev. V1.0 Page 4/10 All rights 2013/05/22 reserved. Mkr1: 2397MHz 73.4 Mkr2: 2450MHz 62.7 Mkr3: 2482MHz 66.8 ③Return Loss Antenna specification Doc No. IS-QR-PD-010 Rev. V1.0 Page 5/10 All rights 2013/05/22 reserved. Mkr1: 2397MHz -15 Mkr2: 2450MHz -18 Mkr3: 2482 MHz -16 ④Smith Char Antenna specification Doc No. IS-QR-PD-010 Rev. V1.0 Page 6/10 All rights 2013/05/22 reserved. Mkr1: 2400MHz 1.234 Mkr2: 2500MHz 1.051Mkr3: 2600MHz 1.322 ⑤Return Loss Antenna specification Doc No. IS-QR-PD-010 Rev. V1.0 Page 7/10 All rights 2013/05/22 reserved. Mkr1: 2400MHz -19.59 Mkr2: 2450MHz -27.70Mkr3: 2500MHz -31.97 Mkr4: 2550MHz -21.83 ` ⑥Phase Antenna specification Doc No. IS-QR-PD-010 Rev. V1.0 Page 8/10 All rights 2013/05/22 reserved. Mkr1: 2400MHz -54.89 Mkr2: 2500MHz -82.03 Mkr3: 2600MHz -102.6 4. Radiation Pattems Antenna specification Doc No. IS-QR-PD-010 Rev. V1.0 Page 9/10 All rights 2013/05/22 reserved. XY-plane XZ-plane YZ-plane • 3DRadiation pattern Antenna specification Doc No. IS-QR-PD-010 Rev. V1.0 Page 10/10 All rights 2013/05/22 reserved.

Shenzhen HTT Technology Co., Ltd. Report No.: HTT202212180F01 This results shown in this test report refer only to the sample(s) tested, this test report cannot be reproduced, except in full, without prior written permission of the company. The report would be invalid without specific stamp of test institute and the signatures of compiler and approver. Page 1 of 30 TEST Report Applicant: Shantou ObowAI Intelligent Electrical appliances Co.,LTD. Address of Applicant: No.9,Xinjia Dongyuan 2nd Road,Chenghua Street,Chenghai District,Shantou,Guangdong,China Manufacturer : Shantou ObowAI Intelligent Electrical appliances Co.,LTD. Address of Manufacturer : No.9,Xinjia Dongyuan 2nd Road,Chenghua Street,Chenghai District,Shantou,Guangdong,China Equipment Under Test (EUT) Product Name: OB8S anti-fall sweeper robot Model No.: OB8S Series model: OB8S-MAX, OB11 Trade Mark: N/A FCC ID: 2A9RX-OB8S Applicable standards: FCC CFR Title 47 Part 15 Subpart C Section 15.247 Date of sample receipt: Dec.07,2022 Date of Test: Dec.07,2022~Dec.13,2022 Date of report issued: Dec.13,2022 Test Result : PASS * * In the configuration tested, the EUT complied with the standards specified above. Report No.: HTT202212180F01 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park, Hangcheng Road,Nanchang Community, Xixiang Street, Bao'an District, Shenzhen, Guangdong, China Page 2 of 30 1. Version Version No. Date Description 00 Dec.13,2022 Original Tested/ Prepared By Date: Dec.13,2022 Project Engineer Check By: Date: Dec.13,2022 Reviewer Approved By : Date: Dec.13,2022 Authorized Signature Report No.: HTT202212180F01 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park, Hangcheng Road,Nanchang Community, Xixiang Street, Bao'an District, Shenzhen, Guangdong, China Page 3 of 30 2. Contents Page 1. VERSION ........................................................................................................................................................ 2 2. CONTENTS .................................................................................................................................................... 3 3. TEST SUMMARY ........................................................................................................................................... 4 4. GENERAL INFORMATION ............................................................................................................................ 5 4.1. GENERAL DESCRIPTION OF EUT ................................................................................................................ 5 4.2. TEST MODE ............................................................................................................................................... 7 4.3. DESCRIPTION OF SUPPORT UNITS .............................................................................................................. 7 4.4. DEVIATION FROM STANDARDS .................................................................................................................... 7 4.5. ABNORMALITIES FROM STANDARD CONDITIONS........................................................................................... 7 4.6. TEST FACILITY ........................................................................................................................................... 7 4.7. TEST LOCATION ......................................................................................................................................... 7 4.8. ADDITIONAL INSTRUCTIONS ........................................................................................................................ 7 5. TEST INSTRUMENTS LIST ........................................................................................................................... 8 6. TEST RESULTS AND MEASUREMENT DATA ............................................................................................ 9 6.1. CONDUCTED EMISSIONS ............................................................................................................................ 9 6.2. CONDUCTED OUTPUT POWER .................................................................................................................. 12 6.3. CHANNEL BANDWIDTH ............................................................................................................................. 13 6.4. POWER SPECTRAL DENSITY ..................................................................................................................... 15 6.5. BAND EDGES ........................................................................................................................................... 17 6.5.1. Conducted Emission Method ......................................................................................................... 17 6.5.2. Radiated Emission Method ............................................................................................................ 18 6.6. SPURIOUS EMISSION ................................................................................................................................ 20 6.6.1. Conducted Emission Method ......................................................................................................... 20 6.6.2. Radiated Emission Method ............................................................................................................ 22 7. TEST SETUP PHOTO .................................................................................................................................. 30 8. EUT CONSTRUCTIONAL DETAILS ........................................................................................................... 30 Report No.: HTT202212180F01 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International …

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Shenzhen HTT Technology Co., Ltd. Report No.: HTT202212180 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 1 of 2 Product Name: OB8S anti-fall sweeper robot Model No.: OB8S Test Setup Photo Radiated Emission Report No.: HTT202212180 Shenzhen HTT Technology Co.,Ltd. Tel: 0755-23595200 Fax: 0755-23595201 1F, Building B, Huafeng International Robotics Industrial Park,Hangcheng Road, Nanchang Community, Xixiang Street, Bao'an District, Guangdong Province, Shenzhen, China Page 2 of 2 Conducted Emission ------End------