2AZ6O-C800Wireless Intercom Systerm

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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. ISED Statement ‐ English: This de…

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Page 1 of 4 FCC ID: 2AZ6O-C800 EXTERNAL PHOTOS ALL TOP VIEW OF EUT TOP VIEW OF EUT Page 2 of 4 FCC ID: 2AZ6O-C800 BOTTOM VIEW OF EUT FRONT VIEW OF EUT Page 3 of 4 FCC ID: 2AZ6O-C800 BACK VIEW OF EUT LEFT VIEW OF EUT Page 4 of 4 FCC ID: 2AZ6O-C800 RIGHT VIEW OF EUT **********************End of Report********************

Label &Label location Product name(PMN): Wireless Intercom Systerm Model number(HVIN): C800 FCC ID: 2AZ6O-C800 IC: 27400-C800 WARNING: MODIFICATION OF THIS DEVICE TO RECEIVE CELLULAR RADIOTELEPHONE SERVICE SIGNALS IS PROHIBITED UNDER FCC

Page 1 of 3 FCC ID: 2AZ6O-C800 INTERNAL PHOTOS OPEN VIEW OF EUT (FIGURE 1) OPEN VIEW OF EUT (FIGURE 2) ANT Port Page 2 of 3 FCC ID: 2AZ6O-C800 INTERNAL VIEW OF EUT (FIGURE 1) INTERNAL VIEW OF EUT (FIGURE 2) . Page 3 of 3 FCC ID: 2AZ6O-C800 INTERNAL VIEW OF EUT (FIGURE 3) INTERNAL VIEW OF EUT (FIGURE 4) ****************************End of Report*******************************

Page 1 of 5 Report No.: AIT22112201W2 MPE TEST REPORT FCC ID: 2AZ6O-C800 Equipment : Wireless Intercom Systerm Brand Name : Chtoocy Test Model : C800 Series Model : N/A Applicant : Shenzhen Weiguo Times Technology Co.,Ltd Address : 8th Floor,Block C, Wanguo City Pingji Avenue, Nanwan Street, Longgang District Shenzhen 518000 China Manufacturer : Shenzhen Todakj Co., Ltd. Address : No. 40 Huan Dong Road, Tie Gang Industrial District, Baoan,Shenzhen,China Date of Receipt : 2022.11.05 Date of Test : 2022.11.05-2022.11.21 Issued Date : 2022.11.21 Report Version : V1.0 Test Sample : Engineering Sample No.:AIT22112201-1 Standard(s) : FCC Title 47 Part 2. 1091 KDB 447498 001 General RF exposure guidance v06 Lab: Dongguan Yaxu (AiT) Technology Limited Add: No.22, Jinqianling 3rd Street, Jitigang, Huangjiang,Dongguan, Guangdong, China Tel.: +86-769-8202 0499 Fax.: +86-769-8202 0495 This device described above has been tested by Dongguan Yaxu (AiT) Technology Limited 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. Note: This report shall not be reproduced except in full, without the written approval of Dongguan Yaxu (AiT) Technology Limited, this document may be altered or revised by Dongguan Yaxu (AiT) Technology Limited, personal only, and shall be noted in the revision of the document. This test report must not be used by the client to claim product endorsement. Reviewed by: Approved by: Simba huang Seal Chen Page 2 of 5 Report No.: AIT22112201W2 1. TEST FACILITY Company: Dongguan Yaxu (AiT) Technology Limited Address: No.22, Jinqianling 3rd Street, Jitigang, Huangjiang,Dongguan, Guangdong, China CNAS Registration Number: CNAS L14158 A2LA Registration Number: 6317.01 FCC Accredited Lab. Designation Number: CN1313 FCC Test Firm Registration Number: 703111 Page 3 of 5 Report No.: AIT22112201W2 2.EVALUATION METHOD AND LIMIT Human exposure to RF emissions from mobile devices (47 CFR §2.1091) may be evaluated based on the MPE limits adopted by the FCC for electric and magnetic field strength and/or power density, as appropriate, since exposures are assumed to occur at distances of 20 cm or more from persons. LIMITS FOR GENERAL POPULATION / UNCONTROLLED EXPOSURE Frequency Range (MHz) E-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 2 )* 30 30 -- 300 27.5 0.073 0.2 30 300 -- 1500 -- -- f/1500 30 1500 -- 100,000 -- -- 1.0 30 *Note: 1. f= Frequency in MHz * Plane-wave Equivalent Power Density 2. The averaging time for General Population/Uncontrolled exposure to fixed transmitters is not applicable for mobile and portable transmitters. See 47 CFR §§2.1091 and 2.1093 on source-based time-averaging requirement for mobile and portable transmitters. Page 4 of 5 Report No.: AIT22112201W2 3.RF EXPOSURE MEASUREMENT Calculation Method of RF Safety Distance: where: S = power density P = power input to the 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. EUT OPERATION CONDITION Set the EUT to transmit at lowest, middle and highest channel individually at maximum power. Note: only worst case recorded in the test report. Page 5 of 5 Report No.: AIT22112201W2 5.TEST RESULT 462.6375MHz Directional Gain (dBi) Directional Gain (numeric) Max. Output Power (dBm) Max. Output Power (mW) Power Density (S) (mW/cm 2 ) Limit of Power Density (S) (mW/cm 2 ) Test Result 1 1.26 20.49 111.94378830.280369 0.308 Complies 462.6500MHz Directional Gain (dBi) Directional Gain (numeric) Max. Output Power (dBm) Max. Output Power (mW) Power Density (S) (mW/cm 2 ) Limit of Power Density (S) (mW/cm 2 ) Test Result 1 1.26 19.50 89.125093810.223218 0.308 Complies 467.6375MHz Directional Gain (dBi) Directional Gain (numeric) Max. Output Power (dBm) Max. Output Power (mW) Power Density (S) (mW/cm 2 ) Limit of Power Density (S) (mW/cm 2 ) Test Result 1 1.26 19.59 90.991327260.227893 0.312 Complies Note: 1.The maximum output power refers to the project report number: AIT22112201W2 2.Only the worst case recorded. 3. Output power including tune up tolerance. 4. The calculated distance is 20 cm. 6. CONCLUSION Remark: EUT meets the basic requirements in the standard. ----END OF REPORT----

Antenna report Anway radio frequency：Y e l l o w R i v e r phone：13510548234 Report：20220926 Time：2022.09.2 V 1 6 Project Debugging Plate cut State of frequency RIFD Overviewantenna band antennaAntenna TypeDesign areaMatching changes 462MHz～470RODMHzN/R finished product ODAN/A Prototype status machine environmental Passive debugging In t r o d u c t i o n t o Pr o j e c t De b u g g i n g Summary of Report Version D versions ATA V Content Overview 120220926Antenna debugging design status Project development environment Pa s s i v e e f f i c i e n c y t e s t i n g Gain&Efficiency 增益和效率 frequency 频率(MHz) gain 增益(dBi) mingain 最小增益(dBi) efficiency 效率(dBi) efficiency 效率(%) 462-17.51.009-4.1238.73 463-17.50.972-4.2237.82 464-17.40.953-4.2237.87 465-17.20.932-4.0639.24 466-17.30.955-4.2137.93 470-17.20.995-4.2337.78 天线装配方式 Antenna structure Unit(mm) 总结 Structure Chart All information contained in this report is copyrighted by us and should not be The End disseminated to any third party without our permission.

Page 1 of 42 Report No.: AIT22112201W1 RF TEST REPORT FCC ID: 2AZ6O-C800 Equipment : Wireless Intercom Systerm Brand Name : Chtoocy Test Model : C800 Series Model : N/A Applicant : Shenzhen Weiguo Times Technology Co.,Ltd Address : 8th Floor,Block C, Wanguo City Pingji Avenue , Nanwan Street, Longgang District Shenzhen 518000 China Manufacturer : Shenzhen Todakj Co., Ltd. Address : No. 40 Huan Dong Road, Tie Gang Industrial District, Baoan,Shenzhen,China Date of Receipt : 2022.11-23 Date of Test : 2022.11-23-2022.12-01 Issued Date : 2022.12-01 Report Version : V1.0 Test Sample : Engineering Sample No.: AIT22112201-1 Standard(s) : FCC Part 95 Rules Lab: Dongguan Yaxu (AiT) Technology Limited Add: No.22, Jinqianling 3rd Street, Jitigang, Huangjiang,Dongguan, Guangdong, China Tel.: +86-769-8202 0499 Fax.: +86-769-8202 0495 This device described above has been tested by Dongguan Yaxu (AiT) Technology Limited 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. Note: This report shall not be reproduced except in full, without the written approval of Dongguan Yaxu (AiT) Technology Limited, this document may be altered or revised by Dongguan Yaxu (AiT) Technology Limited, personal only, and shall be noted in the revision of the document. This test report must not be used by the client to claim product endorsement. Reviewed by: Approved by: Simba huang Seal Chen Page 2 of 42 Report No.: AIT22112201W1 REPORT REVISE RECORD Report Version Revise Time Issued Date Valid Version Notes V1.0 / 2022-12-01 Valid Initial Release Page 3 of 42 Report No.: AIT22112201W1 TABLE OF CONTENTS 1. GENERAL INFORMATION ............................................................................................................................ 5 2. PRODUCT INFORMATION ............................................................................................................................ 6 2.1 PRODUCT TECHNICAL DESCRIPTION .............................................................................................. 6 2.2 TEST FREQUENCY LIST ..................................................................................................................... 7 2.3 TEST METHODOLOGY ........................................................................................................................ 7 2.4 CALCULATION OF EMISSION INDICATORS ...................................................................................... 8 2.5 SPECIAL ACCESSORIES .................................................................................................................... 8 2.6 EQUIPMENT MODIFICATIONS ............................................................................................................ 8 2.8 ANTENNA REQUIREMENT .................................................................................................................. 9 3. TEST ENVIRONMENT ................................................................................................................................. 10 3.1. TEST FACILITY .................................................................................................................................. 10 3.3 ENVIRONMENTAL CONDITIONS ....................................................................................................... 11 3.4 MEASUREMENT UNCERTAINTY ....................................................................................................... 11 3.5 LIST OF EQUIPMENTS USED ........................................................................................................... 12 4.SYSTEM TEST CONFIGURATION .............................................................................................................. 14 4.1 EUT CONFIGURATION ...................................................................................................................... 14 4.2 EUT EXERCISE .................................................................................................................................. 14 4.3 CONFIGURATION OF TESTED SYSTEM .......................................................................................... 14 4.4 EQUIPMENT USED IN TESTED SYSTEM ......................................................................................... 14 4.5 SUMMARY OF TEST RESULTS ......................................................................................................... 15 5. DESCRIPTION OF TEST MODES ............................................................................................................... 16 6.FREQUENCY STABILITY ............................................................................................................................. 17 6.1 PROVISIONS APPLICABLE ............................................................................................................... 17 6.2 MEASUREMENT PROCEDURE......................................................................................................... 17 6.3 MEASUREMENT SETUP ................................................................................................................... 17 6.4 MEASUREMENT RESULTS ............................................................................................................... 18 7. EMISSION BANDWIDTH ............................................................................................................................. 19 7.1 PROVISIONS APPLICABLE ............................................................................................................... 19 7.2 MEASUREMENT PROCEDURE......................................................................................................... 19 7.3 MEASUREMENT SETUP ................................................................................................................... 19 7.4 MEASUREMENT RESULTS ......................…

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Page 1 of 2 FCC ID: 2AZ6O-C800 TEST SETUP PHOTOS RADIATED EMISSION TEST SETUP BELOW 1GHz RADIATED EMISSION TEST SETUP ABOVE 1GHz Page 2 of 2 FCC ID: 2AZ6O-C800 Conducted Emissions *************************End of Report************************