2AEDG-E410ERARK SMART FISH TANK

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FCC ID: 2AEDG-E410 RF EXPOSURE EVALUATION According to FCC 1.1310: The criteria listed in the following table shall be used to evaluate the environment impact of human exposure to radio frequency(RF) Radiation as specified in §1.1307(b) Limits for Maximum Permissible Exposure (MPE) Frequency Range(MHz) Electric Field Strength(V/m) Magnetic Field Strength(A/m) Power Density(mW/cm 2 ) Average Time (A) Limits for Occupational/Control Exposures 300-1500 -- -- F/300 6 1500-100000 -- -- 5 6 (B) Limits for General Population/Uncontrol Exposures 300-1500 -- -- F/1500 6 1500-100000 -- -- 1 30 11.1 Friis transmission formula: Pd= (Pout*G)\ (4*pi*R 2 ) Where Pd= Power density in mW/cm 2 Pout=output power to antenna in mW G= Numeric gain of the antenna relative to isotropic antenna Pi=3.1416 R= distance between observation point and center of the radiator in cm Pd the limit of MPE,1mW/cm 2 . If we know the maximum gain of the antenna and total power input to the antenna, through the calculation, we will know the distance where the MPE limit is reached. mW = 10^( dBm/10) 11.2 Measurement Result Operation Frequency: 2402MHz-2480MHz; Antenna gain: 1.0 dBi; R=20cm BLE Channel Freq. (MHz) modulation Measured power (dBm) Tune-up power (dBm) Max tune-up power (dBm) Antenna Gain Numeric Evaluation result (mW/cm2) Power density Limits (mW/cm2 ) 2402 GFSK 0.410 -1 to 1 1 1.26 0.000315304 1 2440 0.302 -1 to 1 1 1.26 0.000315304 1 2480 0.633 -1 to 1 1 1.26 0.000315304 1 *** End of Report ***

Report No.ES201116029W Page 1 of 43 Ver.1.0 TEST REPORT $二维码$ Product Name : ERARK SMART FISH TANK Model Number : E410 FCC ID : 2AEDG-E410 Prepared for : PETKIT NETWORK TECHNOLOGY (SHANGHAI) CO., LTD. Address : Room 218, Building W1, No.1000 Chenhui Road, Pudong District, Shanghai. Prepared by : EMTEK (SHENZHEN) CO., LTD. Address : Building 69, Majialong Industry Zone, Nanshan District, Shenzhen, Guangdong, China Tel: (0755) 26954280 Fax: (0755) 26954282 Report Number : ES201116029W Date(s) of Tests : November 16, 2020 to December 23, 2020 Date of Issue : December 24, 2020 Report No.ES201116029W Page 2 of 43 Ver.1.0 Table of Contents 1 TEST RESULT CERTIFICATION ...................................................................................................... 3 2 EUT TECHNICAL DESCRIPTION ..................................................................................................... 4 3 SUMMARY OF TEST RESULT ......................................................................................................... 5 4 TEST METHODOLOGY ..................................................................................................................... 6 4.1 GENERAL DESCRIPTION OF APPLIED STANDARDS ............................................................. 6 4.2 MEASUREMENT EQUIPMENT USED ....................................................................................... 6 4.3 DESCRIPTION OF TEST MODES .............................................................................................. 7 5 FACILITIES AND ACCREDITATIONS .............................................................................................. 8 5.1 FACILITIES ................................................................................................................................. 8 5.2 LABORATORY ACCREDITATIONS AND LISTINGS .................................................................. 8 6 TEST SYSTEM UNCERTAINTY ........................................................................................................ 8 7 SETUP OF EQUIPMENT UNDER TEST ........................................................................................... 9 7.1 RADIO FREQUENCY TEST SETUP 1 ........................................................................................ 9 7.2 RADIO FREQUENCY TEST SETUP 2 ........................................................................................ 9 7.3 CONDUCTED EMISSION TEST SETUP ................................................................................... 11 7.4 BLOCK DIAGRAM CONFIGURATION OF TEST SYSTEM ...................................................... 12 7.5 SUPPORT EQUIPMENT ........................................................................................................... 12 8 TEST REQUIREMENTS ................................................................................................................... 13 8.1 DTS 6DB BANDWIDTH ............................................................................................................. 13 8.2 MAXIMUM PEAK CONDUCTED OUTPUT POWER ................................................................ 16 8.3 MAXIMUM POWER SPECTRAL DENSITY .............................................................................. 19 8.4 UNWANTED EMISSIONS IN NON-RESTRICTED FREQUENCY BANDS .............................. 22 8.5 RADIATED SPURIOUS EMISSION .......................................................................................... 27 8.6 CONDUCTED EMISSIONS TEST ............................................................................................ 39 8.7 ANTENNA APPLICATION ......................................................................................................... 42 Report No.ES201116029W Page 3 of 43 Ver.1.0 1 TEST RESULT CERTIFICATION Applicant : PETKIT NETWORK TECHNOLOGY (SHANGHAI) CO., LTD. Address : Room 218, Building W1, No.1000 Chenhui Road, Pudong District, Shanghai. Manufacturer : PETKIT NETWORK TECHNOLOGY (SHANGHAI) CO., LTD. Address : Room 218, Building W1, No.1000 Chenhui Road, Pudong District, Shanghai. EUT : ERARK SMART FISH TANK Model Name : E410 Trademark : N/A Measurement Procedure Used: APPLICABLE STANDARDS STANDARD TEST RESULT FCC 47 CFR Part 2 , Subpart J FCC 47 CFR Part 15, Subpart C PASS The above equipment was tested by EMTEK(SHENZHEN) CO., LTD. The test data, data evaluation, test procedures, and equipment configurations shown in this report were made in accordance with the procedures given in ANSI C63.10 (2013) and the energy emitted by the sample EUT tested as described in this report is in compliance with the requirements of FCC Rules Part 2 and Part 15.247 The test results of this report relate only to the tested sample identified in this report Date of Test : November 16, 2020 to December 23, 2020 Prepared by : Sewen Guo /Editor Reviewer : Joe Xia/Editor Approve & Authorized Signer : Lisa Wang/Manager Report No.ES201116029W Page 4 of 43 Ver.1.0 2 EUT TECHNICAL DESCRIPTION Characteristics Description Product ERARK SMART FISH TANK Model Number E410 Sample Number 1# Device Type Bluetooth V4.2 Data Rate : 1Mbps for GFSK modulation Modulation: Bluetooth DTS: GFSK Operating Frequency Range: 2402-2480MHz Number of Channels: 40 Channels for Bluetooth DTS; Transmit Power Max: 0.633 dBm Antenna Type: PCB Antenna Antenna Gain: 1.0 dBi Power supply AC 120V/60Hz (For AC Adapter) AC/DC Adapter M/N: TEKA-TB120060XX Input: AC 100-240V, 50/60Hz, 0.35A Max Output: DC 12V, 0.6A Temperature Range: 0°C to +50°C Date of Received: November 16, 2020 Note: for more details, please refer to the User’s manual of the EUT. Report No.ES201116029W Page 5 of 43 Ver.1.0 3 SUMMARY OF TEST RESULT FCC Part Clause Test Parameter Verdict Remark 15.247(a)(2) DTS (6dB) Bandwidth PASS 15.247(b)(3) Maximum Peak Conducted Output Power PASS 15.247(e) Maximum Power Spectral Density Level PASS 15.247(d) Unwanted Emission Into Non-Restricted Frequency Bands PASS 15.247(d) 15.20…

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