2A3DE-PLAF108Air WiFi Feeder

Shenzhen Libro Technology Co., Ltd. 12/F,TowerB,GALAXY WORLD,Yabao Road,Longgang District,Shenzhen,China Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 10/9/2023 U.S. Agent Designation Shenzhen Libro Technology Co., Ltd. acknowledges their consent for the following contact located in the United States to act as their agent for service of process for the equipment for which authorization is sought (FCC ID: 2A3DE-PLAF108): Name and company of U.S. agent: Formates LLC Physical U.S. address of agent: 1400 Hudson St, Hoboken, New Jersey, 07030, USA FRN of U.S. agent: 0033456468 Email address of U.S. agent: [email protected] Formates LLC acknowledges their obligation to accept service of process on behalf of Shenzhen Libro Technology Co., Ltd.. Shenzhen Libro Technology Co., Ltd. with the FRN 0031489180 accepts its obligation to maintain an agent for service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. By signing this form, we confirm the above and that we are aware of the application requirements listed under § 2.911(d)(7). The information provided in this letter is based on the referenced rule parts of Title 47 of the CFR as well as KDB 986446 D01. An expiration date for this letter does not exist. In case the U.S. agent changes, the grantee is obligated to notify the FCC within 30 days via the granting TCB. Sincerely, Signature Hui Chen Certificate Contactor Shenzhen Libro Technology Co., Ltd. Signature Abi Aribisala Project Manager Formates LLC 48_[mo del] US_Agent_2.911(d)(7) - U, V0 5

Sincerely, Name/Title： Hui Chen/Certificate Contactor Company: Shenzhen Libro Technology Co., Ltd. Address: 12/F,Tower B,GALAXY WORLD,Yabao Road, Longgang District, Shenzhen China Phone: 15889312153 Fax: N/A E-Mail: [email protected]

Shenzhen Tongzhou Testing Co.,Ltd. FCC ID:2A3DE-PLAF108 This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd. Page 1 of 5 EXTERIOR PHOTOGRAPHS OF EUT External Photos Shenzhen Tongzhou Testing Co.,Ltd. FCC ID:2A3DE-PLAF108 This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd. Page 2 of 5 Shenzhen Tongzhou Testing Co.,Ltd. FCC ID:2A3DE-PLAF108 This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd. Page 3 of 5 Shenzhen Tongzhou Testing Co.,Ltd. FCC ID:2A3DE-PLAF108 This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd. Page 4 of 5 Shenzhen Tongzhou Testing Co.,Ltd. FCC ID:2A3DE-PLAF108 This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd. Page 5 of 5

Label Location: FCC ID: 2A3DE-PLAF108

Shenzhen Tongzhou Testing Co.,Ltd FCC ID:2A3DE-PLAF108 This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 1 of 6 INTERIOR PHOTOGRAPHS OF EUT Internal Photos Shenzhen Tongzhou Testing Co.,Ltd FCC ID:2A3DE-PLAF108 This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 2 of 6 Shenzhen Tongzhou Testing Co.,Ltd FCC ID:2A3DE-PLAF108 This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 3 of 6 Shenzhen Tongzhou Testing Co.,Ltd FCC ID:2A3DE-PLAF108 This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 4 of 6 WiFi & Bluetooth Antenna Shenzhen Tongzhou Testing Co.,Ltd FCC ID:2A3DE-PLAF108 This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 5 of 6 Shenzhen Tongzhou Testing Co.,Ltd FCC ID:2A3DE-PLAF108 This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 6 of 6

Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2A3DE-PLAF108 This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 1 of 7 Maximum Permissible Exposure Report Product Information EUT : Air WiFi Feeder Model Number : PLAF108 Model Declaration : N/A Test Model : PLAF108 Power Supply : DC 3.6V by battery charged from adapter Hardware version : PLAY108-M-V0.3 Software version : V1.0 Sample ID : TZ230804776–2#&TZ230804776–4# Bluetooth Bluetooth Version : V5.0 Operation Frenquency : 2402- 2480 MHz Channel Number : 40 Channels for BLE (DTS) Modulation Technology : GFSK for BLE (DTS) Data Rates : BLE (DTS): 1/2Mbps Antenna Type And Gain : Internal Antenna: 3.37dBi WiFi WLAN : Supported IEEE 802.11b/g/n WLAN FCC Operation Frequency : IEEE 802.11b:2412-2462MHz IEEE 802.11g:2412-2462MHz IEEE 802.11n HT20:2412-2462MHz IEEE 802.11n HT40: 2422-2452MHz WLAN Channel Number : 11 Channels for 2412-2462MHz(IEEE 802.11b/g/n HT20) 7 Channels for 2422-2452MHz(IEEE 802.11n HT40) WLAN Modulation Technology : IEEE 802.11b: DSSS(CCK,DQPSK,DBPSK) IEEE 802.11g: OFDM (64QAM, 16QAM, QPSK, BPSK) IEEE 802.11n: OFDM (64QAM, 16QAM, QPSK, BPSK) Antenna Type And Gain : Internal Antenna: 3.37dBi (Max.), for TX/RX (WLAN 2.4G Band) Note 1: Antenna position refer to EUT Photos. Note 2: the above information was supplied by the applicant. 2. Evaluation Method Systems operating under the provisions of FCC 47 CFR 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. In accordance with 47 CFR FCC Part 2 Subpart J, section 2.1091 this device has been defined as mobile device whereby a distance of 0.2m normally can be maintained between the user and the device, and below RF Permissible Exposure limit shall comply with. In accordance with KDB447498D01 for Simultaneous transmission MPE test exclusion applies when the sum of the MPE ratios for all simultaneous transmitting antennas incorporated in a host device, based on the calculated/estimated, numerically modelled or measured field strengths or power density, is ≤ 1.0. The MPE ratio of each antenna is determined at the minimum test separation distance required by the operating configurations and exposure conditions of the host device, according to the ratio of field strengths or power density to MPE limit, at the test frequency. Either the maximum peak or spatially averaged results from Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2A3DE-PLAF108 This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 2 of 7 measurements or numerical simulations may be used to determine the MPE ratios. Spatial averaging does not apply when MPE is estimated using simple calculations based on far-field plane-wave equivalent conditions. The antenna installation and operating requirements for the host device must meet the minimum test separation distances required by all antennas, in both standalone and simultaneous transmission operations, to satisfy compliance. Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2A3DE-PLAF108 This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 3 of 7 3. Limit 3. 1 Refer evaluation method ANSI C95.1–1999: IEEE Standard for Safety Levels with Respect to Human Exposure to Radio Frequency Electromagnetic Fields, 3 kHz to 300 GHz. FCC KDB publication 447498 D01 General 1 RF Exposure Guidance v06: Mobile and Portable Devices RF Exposure Procedures and Equipment Authorization Policies. FCC CFR 47 part1 1.1310: Radiofrequency radiation exposure limits. FCC CFR 47 part2 2.1091: Radiofrequency radiation exposure evaluation: mobile devices 3. 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 4. 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 5. Antenna Information This Product can only use antennas certificated as follows provided by manufacturer; Antenna Gain and type refer to Product information Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2A3DE-PLAF108 This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 4 of 7 6. Conducted Power Bluetooth(BLE) TestMode Antenna Channel Result[dBm] BLE_1M Ant1 2402 4.38 2440 5.0 2480 5.03 BLE_2M Ant1 2402 4.5 2440 5.06 2480 5.18 WiFi 2.4GHz Band TestMode Antenna Channel Result[dBm] 11B Ant1 2412 15.93 2437 16.19 2462 14.23 11G Ant1 2412 12.35 2437 12.60 2462 10.50 11N20SISO Ant1 2412 13.08 2437 12.77 2462 11.03 11N40SISO Ant1 2422 11.65 2437 11.28 2452 11.42 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2A3DE-PLAF108 This report shall not be reproduced except in full, without the written approval of Shenzhen Tongzhou Testing Co.,Ltd Page 5 of 7 7. Manufacturing Tolerance Bluetooth(BLE) GFSK(1Mbps) (Peak) Channel Channel 0 Channel 39 Channel 78 Target (dBm) 4.0 4.5 4.5 T…

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OTA TEST REPORT TA Technology (Shanghai) Co., Ltd. tested the above equipment in accordance with the requirements in ANSI/IEEE Std 149-2008. The test results show that the equipment tested is capable of demonstrating compliance with the requirements as documented in this report. Prepared by: Peng Tao Approved by: Kai Xu TA Technology (Shanghai) Co., Ltd. No.145, Jintang Rd, Tangzhen Industry Park, Pudong Shanghai, China TEL: +86‐021‐50791141/2/3 FAX: +86‐021‐50791141/2/3‐8000 Applicant Espressif System (Shanghai) Co.,Ltd Product ESP32-C3-WROOM-02 Model ESP-ANT B Report No. Y2102A0260-T3 Issue Date March 9, 2021 OTA Test Report Report No: Y2102A0260-T3 TA Technology (Shanghai) Co., Ltd. TA-MB-04-008O P age 2 of 13 This report shall not be reproduced except in full, without the written approval of TA Technology (Shanghai) Co., Ltd. TABLE OF CONTENTS 1. Test Laboratory .............................................................................................................................. 3 1.1. Notes of the Test Report ................................................................................................... 3 1.2. Test facility ........................................................................................................................ 3 1.3. Testing Location ................................................................................................................ 3 1.4. Laboratory Environment .................................................................................................... 4 2. General Description of Equipment under Test ............................................................................... 5 2.1. Applicant and Manufacturer Information ............................................................................ 5 2.2. General information ........................................................................................................... 5 2.3. Test Date ........................................................................................................................... 5 2.4. Receiving Date .................................................................................................................. 5 2.5. Applied Standards ............................................................................................................. 6 3. Test Conditions .............................................................................................................................. 7 3.1. Test Configuration ............................................................................................................. 7 3.2. Test Measurement ............................................................................................................. 7 4. Test Results ................................................................................................................................... 8 4.1. Gain and Efficiency ............................................................................................................ 8 5. Equipment List ............................................................................................................................... 9 ANNEX A 3-D Pattern Plots ................................................................................................................... 10 ANNEX B：The EUT Appearance and Test Configuration ...................................................................... 12 B.1 EUT Appearance ................................................................................................................... 12 B.2 Test Configuration ................................................................................................................. 13 OTA Test Report Report No: Y2102A0260-T3 TA Technology (Shanghai) Co., Ltd. TA-MB-04-008O P age 3 of 13 This report shall not be reproduced except in full, without the written approval of TA Technology (Shanghai) Co., Ltd. 1. Test Laboratory 1.1. Notes of the Test Report This report shall not be reproduced in full or partial, without the written approval of TA technology (shanghai) co., Ltd. The results documented in this report apply only to the tested sample, under the conditions and modes of operation as described herein .Measurement Uncertainties were not taken into account and are published for informational purposes only. This report is written to support regulatory compliance of the applicable standards stated above. 1.2. Test facility A2LA (Certificate Number: 3857.01) TA Technology (Shanghai) Co., Ltd. has been listed by American Association for Laboratory Accreditation to perform measurement. 1.3. Testing Location Company: TA Technology (Shanghai) Co., Ltd. Address: No.145, Jintang Rd, Tangzhen Industry Park, Pudong Shanghai, China City: Shanghai Post code: 201201 Country: P. R. China Contact: Xu Kai Telephone: +86-021-50791141/2/3 Fax: +86-021-50791141/2/3-8000 Website: http://www.ta-shanghai.com E-mail: [email protected] OTA Test Report Report No: Y2102A0260-T3 TA Technology (Shanghai) Co., Ltd. TA-MB-04-008O P age 4 of 13 This report shall not be reproduced except in full, without the written approval of TA Technology (Shanghai) Co., Ltd. 1.4. Laboratory Environment Temperature Min. =19°C，Max. = 25°C Relative humidity Min. =40%，Max. =72% Shield effect 0.7-6GHz > 100dB Ground resistance <0.5 OTA Test Report Report No: Y2102A0260-T3 TA Technology (Shanghai) Co., Ltd. TA-MB-04-008O P age 5 of 13 This report shall not be reproduced except in full, without the written approval of TA Technology (Shanghai) Co., Ltd. 2. General Description of Equipment under Test 2.1. Applicant and Manufacturer Information Applicant Name Espressif System (Shanghai) Co.,Ltd Applicant address Suite 204 Block 2, 690 Bibo Road, Zhang Jiang Hi-Tech Park, Shanghai, China Manufacturer Name Espressif System (Shanghai) Co.,Ltd Manufacturer address Suite 204 Block 2, 690 Bibo Road, Zhang Jiang Hi-Tech Park, Shanghai, China 2.2. …

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Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2A3DE-PLAF108 Report No.: TZ230804776-E2 Page 1 of 29 Appendix Test Data for BT(BLE) (Conducted Measurement) Product Name: Air WiFi Feeder Trade Mark: PETLIBRO Test Model: PLAF108 FCC ID: 2A3DE-PLAF108 Environmental Conditions Temperature: 25.5C Relative Humidity: 55% ATM Pressure: 100.0 kPa Test Engineer: Anna Hu Supervised by: Hugo Chen NOTE N/A Appendix A: DTS Bandwidth Test Result TestMode Antenna Channel DTS BW [MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict BLE_1M Ant1 2402 0.660 2401.692 2402.352 0.5 PASS 2440 0.628 2439.696 2440.324 0.5 PASS 2480 0.640 2479.704 2480.344 0.5 PASS BLE_2M Ant1 2402 1.064 2401.472 2402.536 0.5 PASS 2440 1.128 2439.464 2440.592 0.5 PASS 2480 0.880 2479.480 2480.360 0.5 PASS Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2A3DE-PLAF108 Report No.: TZ230804776-E2 Page 2 of 29 Test Graphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 BLE_2M_Ant1_2402 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2A3DE-PLAF108 Report No.: TZ230804776-E2 Page 3 of 29 BLE_2M_Ant1_2440 BLE_2M_Ant1_2480 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2A3DE-PLAF108 Report No.: TZ230804776-E2 Page 4 of 29 Appendix B: Occupied Channel Bandwidth Test Result TestMode Antenna Channel OCB [MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict BLE_1M Ant1 2402 1.0461 2401.5009 2402.5470 --- --- 2440 1.0397 2439.5051 2440.5448 --- --- 2480 1.0291 2479.5105 2480.5396 --- --- BLE_2M Ant1 2402 2.0549 2401.0169 2403.0718 --- --- 2440 2.0648 2439.0078 2441.0726 --- --- 2480 2.0647 2479.0179 2481.0826 --- --- Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2A3DE-PLAF108 Report No.: TZ230804776-E2 Page 5 of 29 Test Graphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 BLE_2M_Ant1_2402 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2A3DE-PLAF108 Report No.: TZ230804776-E2 Page 6 of 29 BLE_2M_Ant1_2440 BLE_2M_Ant1_2480 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2A3DE-PLAF108 Report No.: TZ230804776-E2 Page 7 of 29 Appendix C: Maximum Peak conducted output power Test Result TestMode Antenna Channel Result[dBm] Limit[dBm] Verdict BLE_1M Ant1 2402 4.38 ≤30 PASS 2440 5.0 ≤30 PASS 2480 5.03 ≤30 PASS BLE_2M Ant1 2402 4.5 ≤30 PASS 2440 5.06 ≤30 PASS 2480 5.18 ≤30 PASS Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2A3DE-PLAF108 Report No.: TZ230804776-E2 Page 8 of 29 Test Graphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 BLE_2M_Ant1_2402 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2A3DE-PLAF108 Report No.: TZ230804776-E2 Page 9 of 29 BLE_2M_Ant1_2440 BLE_2M_Ant1_2480 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2A3DE-PLAF108 Report No.: TZ230804776-E2 Page 10 of 29 Appendix D: Maximum power spectral density Test Result TestMode Antenna Channel Result[dBm/3-100kHz] Limit[dBm/3kHz] Verdict BLE_1M Ant1 2402 -10.49 ≤8.00 PASS 2440 -10.83 ≤8.00 PASS 2480 -10.8 ≤8.00 PASS BLE_2M Ant1 2402 -13.32 ≤8.00 PASS 2440 -13.35 ≤8.00 PASS 2480 -12.68 ≤8.00 PASS Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2A3DE-PLAF108 Report No.: TZ230804776-E2 Page 11 of 29 Test Graphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 BLE_2M_Ant1_2402 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2A3DE-PLAF108 Report No.: TZ230804776-E2 Page 12 of 29 BLE_2M_Ant1_2440 BLE_2M_Ant1_2480 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2A3DE-PLAF108 Report No.: TZ230804776-E2 Page 13 of 29 Appendix E: Band edge measurements Test Result TestMode Antenna ChName Channel RefLevel[dBm] Result[dBm] Limit[dBm] Verdict BLE_1M Ant1 Low 2402 4.48 -49.39 ≤-15.52 PASS High 2480 5.14 -48.86 ≤-14.86 PASS BLE_2M Ant1 Low 2402 3.88 -29.11 ≤-16.13 PASS High 2480 4.60 -48.51 ≤-15.41 PASS Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2A3DE-PLAF108 Report No.: TZ230804776-E2 Page 14 of 29 Test Graphs BLE_1M_Ant1_Low_2402 BLE_1M_Ant1_High_2480 BLE_2M_Ant1_Low_2402 BLE_2M_Ant1_High_2480 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2A3DE-PLAF108 Report No.: TZ230804776-E2 Page 15 of 29 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2A3DE-PLAF108 Report No.: TZ230804776-E2 Page 16 of 29 Appendix F: Conducted Spurious Emission Test Result TestMode Antenna Channel FreqRange [MHz] RefLevel [dBm] Result[dBm] Limit[dBm] Verdict BLE_1M Ant1 2402 Reference 4.21 4.21 --- PASS 30~1000 4.21 -61.95 ≤-15.79 PASS 1000~26500 4.21 -49.23 ≤-15.79 PASS 2440 Reference 4.35 4.35 --- PASS 30~1000 4.35 -61.93 ≤-15.65 PASS 1000~26500 4.35 -49.62 ≤-15.65 PASS 2480 Reference 4.91 4.91 --- PASS 30~1000 4.91 -62.51 ≤-15.09 PASS 1000~26500 4.91 -49.82 ≤-15.09 PASS BLE_2M Ant1 2402 Reference 4.13 4.13 --- PASS 30~1000 4.13 -62.72 ≤-15.87 PASS 1000~26500 4.13 -49.89 ≤-15.87 PASS 2440 Reference 3.58 3.58 --- PASS 30~1000 3.58 -62.96 ≤-16.42 PASS 1000~26500 3.58 -49.97 ≤-16.42 PASS 2480 Reference 4.83 4.83 --- PASS 30~1000 4.83 -60.96 ≤-15.17 PASS 1000~26500 4.83 -49.56 ≤-15.17 PASS Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2A3DE-PLAF108 Report No.: TZ230804776-E2 Page 17 of 29 Test Graphs BLE_1M_Ant1_2402_0~Reference BLE_1M_Ant1_2402_30~1000 BLE_1M_Ant1_2402_1000~26500 BLE_1M_Ant1_2440_0~Reference Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2A3DE-PLAF108 Report No.: TZ230804776-E2 Page 18 of 29 BLE_1M_Ant1_2440_30~1000 BLE_1M_Ant1_2440_1000~26500 BLE_1M_Ant1_2480_0~Reference Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2A3DE-PLAF108 Report No.: TZ230804776-E2 Page 19 of 29 BLE_1M_Ant1_2480_30~1000 BLE_1M_Ant1_2480_1000~26500 BLE_2M_Ant1_2402_0~Reference Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2A3DE-PLAF108 Report No.: TZ230804776-E2 Page 20 of 29 BLE_2M_Ant1_2402_30~1000 BLE_2M_Ant1_2402_1000~26500 BLE_2M_Ant1_2440_0~Reference Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2A3DE-PLAF108 Report No.: TZ230804776-E2 Page 21 of 29 BLE_2M_Ant1_2440_30~1000 BLE_2M_Ant1_2440_1000~26500 BLE_2M_Ant1_2480_0~Reference Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2A3DE-PLAF108 Report No.: TZ230804776-E2 Page 22 of 29 BLE_2M_Ant1_2480_30~1000 BLE_2M_Ant1_2480_1000~26500 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2A3DE-PLAF108 Report No.: TZ230804776-E2 Page 23 of 29 Appendix G: Duty Cycle Test Result TestMode Antenna Channel Transmissi…

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Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2A3DE-PLAF108 Report No.: TZ230804776-E1 Page 1 of 38 Appendix Test Data for WLAN(2.4G) (Conducted Measurement) Product Name: Air WiFi Feeder Trade Mark: PETLIBRO Test Model: PLAF108 FCC ID: 2A3DE-PLAF108 Environmental Conditions Temperature: 25.5C Relative Humidity: 55% ATM Pressure: 100.0 kPa Test Engineer: Anna Hu Supervised by: Hugo Chen NOTE N/A Appendix A: DTS Bandwidth Test Result TestMode Antenna Channel DTS BW [MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict 11B Ant1 2412 9.080 2407.480 2416.560 0.5 PASS 2437 9.040 2432.000 2441.040 0.5 PASS 2462 9.560 2457.440 2467.000 0.5 PASS 11G Ant1 2412 13.560 2404.440 2418.000 0.5 PASS 2437 12.760 2431.720 2444.480 0.5 PASS 2462 12.800 2455.680 2468.480 0.5 PASS 11N20SISO Ant1 2412 14.680 2404.800 2419.480 0.5 PASS 2437 14.040 2429.440 2443.480 0.5 PASS 2462 13.880 2454.440 2468.320 0.5 PASS 11N40SISO Ant1 2422 32.560 2404.480 2437.040 0.5 PASS 2437 22.160 2424.440 2446.600 0.5 PASS 2452 32.560 2434.480 2467.040 0.5 PASS Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2A3DE-PLAF108 Report No.: TZ230804776-E1 Page 2 of 38 Test Graphs 11B_Ant1_2412 11B_Ant1_2437 11B_Ant1_2462 11G_Ant1_2412 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2A3DE-PLAF108 Report No.: TZ230804776-E1 Page 3 of 38 11G_Ant1_2437 11G_Ant1_2462 11N20SISO_Ant1_2412 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2A3DE-PLAF108 Report No.: TZ230804776-E1 Page 4 of 38 11N20SISO_Ant1_2437 11N20SISO_Ant1_2462 11N40SISO_Ant1_2422 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2A3DE-PLAF108 Report No.: TZ230804776-E1 Page 5 of 38 11N40SISO_Ant1_2437 11N40SISO_Ant1_2452 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2A3DE-PLAF108 Report No.: TZ230804776-E1 Page 6 of 38 Appendix B: Occupied Channel Bandwidth Test Result TestMode Antenna Channel OCB [MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict 11B Ant1 2412 13.814 2405.1229 2418.9369 --- --- 2437 13.860 2430.0286 2443.8886 --- --- 2462 13.886 2455.0677 2468.9537 --- --- 11G Ant1 2412 16.410 2403.6960 2420.1060 --- --- 2437 16.394 2428.7167 2445.1107 --- --- 2462 16.450 2453.7562 2470.2062 --- --- 11N20SISO Ant1 2412 17.495 2403.1861 2420.6811 --- --- 2437 17.439 2428.1514 2445.5904 --- --- 2462 17.564 2453.1839 2470.7479 --- --- 11N40SISO Ant1 2422 35.283 2404.2354 2439.5184 --- --- 2437 35.021 2419.2317 2454.2527 --- --- 2452 35.489 2434.0750 2469.5640 --- --- Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2A3DE-PLAF108 Report No.: TZ230804776-E1 Page 7 of 38 Test Graphs 11B_Ant1_2412 11B_Ant1_2437 11B_Ant1_2462 11G_Ant1_2412 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2A3DE-PLAF108 Report No.: TZ230804776-E1 Page 8 of 38 11G_Ant1_2437 11G_Ant1_2462 11N20SISO_Ant1_2412 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2A3DE-PLAF108 Report No.: TZ230804776-E1 Page 9 of 38 11N20SISO_Ant1_2437 11N20SISO_Ant1_2462 11N40SISO_Ant1_2422 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2A3DE-PLAF108 Report No.: TZ230804776-E1 Page 10 of 38 11N40SISO_Ant1_2437 11N40SISO_Ant1_2452 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2A3DE-PLAF108 Report No.: TZ230804776-E1 Page 11 of 38 Appendix C: Maximum conducted output power Test Result TestMode Antenna Channel Result[dBm] Limit[dBm] Verdict 11B Ant1 2412 15.93 ≤30.00 PASS 2437 16.19 ≤30.00 PASS 2462 14.23 ≤30.00 PASS 11G Ant1 2412 12.35 ≤30.00 PASS 2437 12.60 ≤30.00 PASS 2462 10.50 ≤30.00 PASS 11N20SISO Ant1 2412 13.08 ≤30.00 PASS 2437 12.77 ≤30.00 PASS 2462 11.03 ≤30.00 PASS 11N40SISO Ant1 2422 11.65 ≤30.00 PASS 2437 11.28 ≤30.00 PASS 2452 11.42 ≤30.00 PASS Note：The Duty Cycle Factor is compensated in the test result. Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2A3DE-PLAF108 Report No.: TZ230804776-E1 Page 12 of 38 Appendix D: Maximum power spectral density Test Result TestMode Antenna Channel Result[dBm/3-100kHz] Limit[dBm/3kHz] Verdict 11B Ant1 2412 -13.91 ≤8.00 PASS 2437 -12.69 ≤8.00 PASS 2462 -15.6 ≤8.00 PASS 11G Ant1 2412 -16.46 ≤8.00 PASS 2437 -16.16 ≤8.00 PASS 2462 -18.55 ≤8.00 PASS 11N20SISO Ant1 2412 -15.13 ≤8.00 PASS 2437 -16.02 ≤8.00 PASS 2462 -16.23 ≤8.00 PASS 11N40SISO Ant1 2422 -18.09 ≤8.00 PASS 2437 -17.13 ≤8.00 PASS 2452 -19.44 ≤8.00 PASS Note：The Duty Cycle Factor is compensated in the test result. Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2A3DE-PLAF108 Report No.: TZ230804776-E1 Page 13 of 38 Test Graphs 11B_Ant1_2412 11B_Ant1_2437 11B_Ant1_2462 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2A3DE-PLAF108 Report No.: TZ230804776-E1 Page 14 of 38 11G_Ant1_2412 11G_Ant1_2437 11G_Ant1_2462 11N20SISO_Ant1_2412 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2A3DE-PLAF108 Report No.: TZ230804776-E1 Page 15 of 38 11N20SISO_Ant1_2437 11N20SISO_Ant1_2462 11N40SISO_Ant1_2422 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2A3DE-PLAF108 Report No.: TZ230804776-E1 Page 16 of 38 11N40SISO_Ant1_2437 11N40SISO_Ant1_2452 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2A3DE-PLAF108 Report No.: TZ230804776-E1 Page 17 of 38 Appendix E: Band edge measurements Test Result TestMode Antenna ChName Channel RefLevel[dBm] Result[dBm] Limit[dBm] Verdict 11B Ant1 Low 2412 6.98 -37.66 ≤-23.02 PASS High 2462 5.38 -48.62 ≤-24.62 PASS 11G Ant1 Low 2412 1.44 -39.86 ≤-28.56 PASS High 2462 0.09 -48.3 ≤-29.91 PASS 11N20SISO Ant1 Low 2412 1.69 -37.39 ≤-28.31 PASS High 2462 -0.88 -48.23 ≤-30.88 PASS 11N40SISO Ant1 Low 2422 -0.27 -42.15 ≤-30.27 PASS High 2452 -2.80 -45.55 ≤-32.8 PASS Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2A3DE-PLAF108 Report No.: TZ230804776-E1 Page 18 of 38 Test Graphs 11B_Ant1_Low_2412 11B_Ant1_High_2462 11G_Ant1_Low_2412 11G_Ant1_High_2462 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2A3DE-PLAF108 Report No.: TZ230804776-E1 Page 19 of 38 11N20SISO_Ant1_Low_2412 11N20SISO_Ant1_High_2462 11N40SISO_Ant1_Low_2422 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2A3DE-PLAF108 Report No.: TZ230804776-E1 Page 20 of 38 11N40SISO_Ant1_High_2452 Shenzhen Tongzhou Testing Co.,Ltd FCC ID: 2A3DE-PLAF108 Report No.: TZ230804776-E1 Page 21 of 38 Appendix F: Conducted Spurious Emission Test Result TestMode Antenna Channel FreqRange [Mhz] RefLevel [dBm] Res…

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Report No.: TZ230804776-E1 Page 1 of 40 FCC TEST REPORT Test report On Behalf of Shenzhen Libro Technology Co., Ltd. For Air WiFi Feeder Model No.: PLAF108 FCC ID: 2A3DE-PLAF108 Prepared for : Shenzhen Libro Technology Co., Ltd. 12/F,TowerB,GALAXY WORLD,Yabao Road,Longgang District,Shenzhen,China Prepared By : Shenzhen Tongzhou Testing Co.,Ltd 1th Floor, Building 1, Haomai High-tech Park, Huating Road 387, Dalang Street, Longhua, Shenzhen, China Date of Test: 2023/8/25~2023/9/10 Date of Report: 2023/9/11 Report Number: TZ230804776-E1 The test report apply only to the specific sample(s) tested under stated test conditions It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Report No.: TZ230804776-E1 Page 2 of 40 TEST RESULT CERTIFICATION Applicant’s name ................. : Shenzhen Libro Technology Co., Ltd. Address .................................. : 12/F,TowerB,GALAXY WORLD,Yabao Road,Longgang District,Shenzhen,China Manufacture's Name ............ : Shenzhen Libro Technology Co., Ltd. Address .................................. : 12/F,TowerB,GALAXY WORLD,Yabao Road,Longgang District,Shenzhen,China Product description Trade Mark: PETLIBRO Product name ............................ : Air WiFi Feeder Model and/or type reference : PLAF108 Standards.............................. : FCC Rules and Regulations Part 15 Subpart C Section 15.247 ANSI C63.10: 2013 This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen Tongzhou Testing Co.,Ltd is acknowledged as copyright owner and source of the material. Shenzhen Tongzhou Testing Co.,Ltd takes no responsibility for and w…

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