2BVOX-NISPLAYY1Tennis Ball Machine

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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 MPE Report Reference No. ..................... : FCC ID. ........................................... : CTA26030201503 2BVOX-NISPLAYY1 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 ..................................... : Apr. 03, 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 ........................... : Shenzhen Naishi Technology Co., Ltd. Address ............................................ : A808-8, Bldg 10, Shenzhen Bay Tech Eco-Park, 10 Gaoxin South 9th Rd, Yuehai, Nanshan, Shenzhen, China Standard ........................................... : 47CFR §1.1310 47CFR §2.1091 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..................... : Tennis Ball Machine Trade Mark ....................................... : Manufacturer ..................................... : Dongguan Nisplay Technology Co., Ltd. Model/Type reference ....................... : NISPLAY Y1 Listed Models .................................... : Refer to page 2 Rating ............................................... : DC 18V From battery and DC 21V From external circuit Result ................................................ : PASS Report No.: CTA26030201503 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 : Tennis Ball Machine Model /Type : NISPLAY Y1 Listed Models : NISPLAY Y2, NISPLAY Y3, NISPLAY L1, NISPLAY L1+, NISPLAY L2, NISPLAY L3, NISPLAY L4, NISPLAY N0+, NISPLAY N2, NISPLAY N3, NISPLAY N4 Model difference : The PCB board, circuit, structure and internal of these models are the same, Only model number and colour is different for these model. Applicant : Shenzhen Naishi Technology Co., Ltd. Address : A808-8, Bldg 10, Shenzhen Bay Tech Eco-Park, 10 Gaoxin South 9th Rd, Yuehai, Nanshan, Shenzhen, China Manufacturer : Dongguan Nisplay Technology Co., Ltd. Address : 4 Guangliang Rd, Dongguan, Guangdong, China 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.: CTA26030201503 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 MPE Calculation Method ......................................................................................... 7 4.3 Conducted Power Results ....................................................................................... 7 4.4 Manufacturing tolerance .......................................................................................... 8 4.5 Standalone MPE Result ........................................................................................... 8 4.6 Simultaneous Transmission for MPE Result ........................................................... 8 5 Conclusion ...................................................…

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FCC ID: 2BVOX-NISPLAYY1 Test Setup Photos of the EUT FCC ID: 2BVOX-NISPLAYY1

1 FCC Appendix RF Test Data for BLE FCC ID : 2BVOX-NISPLAYY1 Company : Shenzhen Naishi Technology Co., Ltd. EUT : Tennis Ball Machine Model Number : NISPLAY Y1 Report No. : CTA26030201501 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 0.648 2401.688 2402.336 0.5 PASS 2440 0.652 2439.692 2440.344 0.5 PASS 2480 0.644 2479.692 2480.336 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 0.99904 2401.5176 2402.5166 --- --- 2440 1.0077 2439.5180 2440.5257 --- --- 2480 1.0032 2479.5183 2480.5215 --- --- 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 -3.34 ≤30 PASS 2440 -3.61 ≤30 PASS 2480 -3.68 ≤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 -19.08 ≤8.00 PASS 2440 -19.48 ≤8.00 PASS 2480 -19.32 ≤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 -3.37 -53.7 ≤-23.37 PASS High 2480 -3.76 -54.76 ≤-23.76 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 -4.86 -4.86 --- PASS 30~1000 -4.86 -67.99 ≤-24.86 PASS 1000~26500 -4.86 -46.82 ≤-24.86 PASS 2440 Reference -5.25 -5.25 --- PASS 30~1000 -5.25 -67.38 ≤-25.25 PASS 1000~26500 -5.25 -46.65 ≤-25.25 PASS 2480 Reference -3.87 -3.87 --- PASS 30~1000 -3.87 -66.94 ≤-23.87 PASS 1000~26500 -3.87 -47.02 ≤-23.87 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 0.41 0.62 0.6613 66.13 1.80 --- --- 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 TestMode Antenna ChName Freq(MHz) 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 -59.39 2.00 1.80 39.61 ≤54 PASS AV 2380.220 -58.58 2.00 1.80 40.42 ≤54 PASS AV 2390.000 -59.13 2.00 1.80 39.87 ≤54 PASS Peak 2310.000 -52.28 2.00 0.00 44.92 ≤74 PASS Peak 2386.310 -48.09 2.00 0.00 49.11 ≤74 PASS Peak 2390.000 -49.81 2.00 0.00 47.39 ≤74 PASS High 2480 AV 2483.500 -58.14 2.00 1.80 40.86 ≤54 PASS AV 2484.560 -57.77 2.00 1.80 41.23 ≤54 PASS AV 2500.000 -59.34 2.00 1.80 39.66 ≤54 PASS Peak 2483.500 -49.39 2.00 0.00 47.81 ≤74 PASS Peak 2484.160 -46.87 2.00 0.00 50.33 ≤74 PASS Peak 2500.000 -50.84 2.00 0.00 46.36 ≤74 PASS Note： 1. 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

31 11N20SISO_Ant1_2412_1000~26500 11N20SISO_Ant1_2437_0~Reference 11N20SISO_Ant1_2437_30~1000 32 11N20SISO_Ant1_2437_1000~26500 11N20SISO_Ant1_2462_0~Reference 33 11N20SISO_Ant1_2462_30~1000 11N20SISO_Ant1_2462_1000~26500 34 Appendix G: Duty Cycle Test Result TestMode Antenna Frequency[MHz] Transmission Duration [ms] Transmission Period [ms] Duty Cycle [%] DC Factor [dB] T Factor [dB] 11B Ant1 2412 8.36 8.40 99.52 0.02 0.12 2437 8.35 8.40 99.40 0.03 0.12 2462 8.36 8.40 99.52 0.02 0.12 11G Ant1 2412 0.15 0.20 75.00 1.25 6.67 2437 0.15 0.20 75.00 1.25 6.67 2462 0.15 0.20 75.00 1.25 6.67 11N20SISO Ant1 2412 0.18 0.23 78.26 1.06 5.56 2437 0.18 0.22 81.82 0.87 5.56 2462 0.17 0.22 77.27 1.12 5.88 35 Test Graphs 11B_Ant1_2412 11B_Ant1_2437 11B_Ant1_2462 36 11G_Ant1_2412 11G_Ant1_2437 37 11G_Ant1_2462 11N20SISO_Ant1_2412 11N20SISO_Ant1_2437 38 11N20SISO_Ant1_2462 39 Appendix H: Emissions in Restricted Bands Test Result TestMode Antenna ChName Frequency[MHz] Detector Freq [MHz] Result [dBm] Gain [dB] DC Factor [dB] Result [dBuV/m] Limit [dBuV/m] Verdict 11B Ant1 Low 2412 AV 2310.000 -60.15 2.00 0.02 37.07 ≤54 PASS AV 2386.060 -55.01 2.00 0.02 42.21 ≤54 PASS AV 2390.000 -56.5 2.00 0.02 40.72 ≤54 PASS Peak 2310.000 -51.39 2.00 0.00 45.81 ≤74 PASS Peak 2389.830 -46.73 2.00 0.00 50.47 ≤74 PASS Peak 2390.000 -48.41 2.00 0.00 48.79 ≤74 PASS High 2462 AV 2483.500 -55.89 2.00 0.02 41.33 ≤54 PASS AV 2488.290 -55.38 2.00 0.02 41.84 ≤54 PASS AV 2500.000 -58.02 2.00 0.02 39.20 ≤54 PASS Peak 2483.500 -49 2.00 0.00 48.20 ≤74 PASS Peak 2488.070 -46.6 2.00 0.00 50.60 ≤74 PASS Peak 2500.000 -50.98 2.00 0.00 46.22 ≤74 PASS 11G Ant1 Low 2412 AV 2310.000 -59.62 2.00 1.25 38.83 ≤54 PASS AV 2346.150 -58.64 2.00 1.25 39.81 ≤54 PASS AV 2390.000 -59.08 2.00 1.25 39.37 ≤54 PASS Peak 2310.000 -52.45 2.00 0.00 44.75 ≤74 PASS Peak 2365.910 -48 2.00 0.00 49.20 ≤74 PASS Peak 2390.000 -50.5 2.00 0.00 46.70 ≤74 PASS High 2462 AV 2483.500 -58.74 2.00 1.25 39.71 ≤54 PASS AV 2485.320 -57.86 2.00 1.25 40.59 ≤54 PASS AV 2500.000 -58.88 2.00 1.25 39.57 ≤54 PASS Peak 2483.500 -50.07 2.00 0.00 47.13 ≤74 PASS Peak 2498.300 -48.25 2.00 0.00 48.95 ≤74 PASS Peak 2500.000 -49.98 2.00 0.00 47.22 ≤74 PASS 11N20SISO Ant1 Low 2412 AV 2310.000 -59.17 2.00 1.06 39.09 ≤54 PASS AV 2387.620 -58.42 2.00 1.06 39.84 ≤54 PASS AV 2390.000 -58.66 2.00 1.06 39.60 ≤54 PASS Peak 2310.000 -52.45 2.00 0.00 44.75 ≤74 PASS Peak 2331.070 -48.65 2.00 0.00 48.55 ≤74 PASS Peak 2390.000 -51.13 2.00 0.00 46.07 ≤74 PASS High 2462 AV 2483.500 -58.97 2.00 1.12 39.35 ≤54 PASS AV 2484.220 -58.15 2.00 1.12 40.17 ≤54 PASS AV 2500.000 -58.88 2.00 1.12 39.44 ≤54 PASS Peak 2483.500 -52.05 2.00 0.00 45.15 ≤74 PASS Peak 2489.060 -47.66 2.00 0.00 49.54 ≤74 PASS Peak 2500.000 -52.47 2.00 0.00 44.73 ≤74 PASS 40 Note： 1. 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. 41 Test Graphs 11B_Ant1_Low_2412_AV 11B_Ant1_Low_2412_Peak 11B_Ant1_High_2462_AV 42 11B_Ant1_High_2462_Peak 11G_Ant1_Low_2412_AV 43 11G_Ant1_Low_2412_Peak 11G_Ant1_High_2462_AV 11G_Ant1_High_2462_Peak 44 11N20SISO_Ant1_Low_2412_AV 11N20SISO_Ant1_Low_2412_Peak 45 11N20SISO_Ant1_High_2462_AV 11N20SISO_Ant1_High_2462_Peak

1 FCC Appendix RF Test Data for 2.4GWIFI FCC ID : 2BVOX-NISPLAYY1 Company : Shenzhen Naishi Technology Co., Ltd. EUT : Tennis Ball Machine Model Number : NISPLAY Y1 Report No. : CTA26030201502 Reviewed By : Eric Wang 2 Appendix A: DTS Bandwidth Test Result TestMode Antenna Frequency[MHz] DTS BW [MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict 11B Ant1 2412 10.240 2406.920 2417.160 0.5 PASS 2437 10.160 2431.960 2442.120 0.5 PASS 2462 10.200 2456.920 2467.120 0.5 PASS 11G Ant1 2412 15.720 2404.280 2420.000 0.5 PASS 2437 15.880 2429.120 2445.000 0.5 PASS 2462 15.560 2454.360 2469.920 0.5 PASS 11N20SISO Ant1 2412 17.160 2403.440 2420.600 0.5 PASS 2437 17.040 2428.440 2445.480 0.5 PASS 2462 16.680 2453.680 2470.360 0.5 PASS 3 Test Graphs 11B_Ant1_2412 11B_Ant1_2437 11B_Ant1_2462 4 11G_Ant1_2412 11G_Ant1_2437 5 11G_Ant1_2462 11N20SISO_Ant1_2412 11N20SISO_Ant1_2437 6 11N20SISO_Ant1_2462 7 Appendix B: Occupied Channel Bandwidth Test Result TestMode Antenna Channel Frequency[MHz] OCB [MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict 11B Ant1 2412 13.403 2405.3355 2418.7385 --- --- 2437 13.393 2430.3294 2443.7224 --- --- 2462 13.411 2455.3063 2468.7173 --- --- 11G Ant1 2412 16.803 2403.6332 2420.4362 --- --- 2437 16.897 2428.5971 2445.4941 --- --- 2462 16.933 2453.5512 2470.4842 --- --- 11N20SISO Ant1 2412 17.880 2403.1102 2420.9902 --- --- 2437 17.853 2428.0988 2445.9518 --- --- 2462 17.908 2453.0652 2470.9732 --- --- 8 Test Graphs 11B_Ant1_2412 11B_Ant1_2437 11B_Ant1_2462 9 11G_Ant1_2412 11G_Ant1_2437 10 11G_Ant1_2462 11N20SISO_Ant1_2412 11N20SISO_Ant1_2437 11 11N20SISO_Ant1_2462 12 Appendix C: Maximum conducted output power Test Result Peak Test Mode Antenna Frequency[MHz] Peak power [dBm] Limit [dBm] Verdict 11B Ant1 2412 14.19 ≤30.00 PASS 2437 14.34 ≤30.00 PASS 2462 14.42 ≤30.00 PASS 11G Ant1 2412 13.87 ≤30.00 PASS 2437 14.21 ≤30.00 PASS 2462 14.33 ≤30.00 PASS 11N20SISO Ant1 2412 13.96 ≤30.00 PASS 2437 14.29 ≤30.00 PASS 2462 14.34 ≤30.00 PASS 13 Appendix D: Maximum power spectral density Test Result TestMode Antenna Frequency[MHz] Result[dBm/3-100kHz] Limit[dBm/3kHz] Verdict 11B Ant1 2412 -11.60 ≤8.00 PASS 2437 -11.57 ≤8.00 PASS 2462 -12.13 ≤8.00 PASS 11G Ant1 2412 -17.52 ≤8.00 PASS 2437 -17.91 ≤8.00 PASS 2462 -17.41 ≤8.00 PASS 11N20SISO Ant1 2412 -16.83 ≤8.00 PASS 2437 -17.74 ≤8.00 PASS 2462 -16.55 ≤8.00 PASS 14 Test Graphs 11B_Ant1_2412 11B_Ant1_2437 11B_Ant1_2462 15 11G_Ant1_2412 11G_Ant1_2437 16 11G_Ant1_2462 11N20SISO_Ant1_2412 11N20SISO_Ant1_2437 17 11N20SISO_Ant1_2462 18 Appendix E: Band edge measurements Test Result TestMode Antenn a ChNam e Frequency[MH z] RefLevel[dB m] Result[dB m] Limit[dBm ] Verdic t 11B Ant1 Low 2412 1.99 -46.04 ≤-18.02 PASS High 2462 2.22 -55.41 ≤-17.78 PASS 11G Ant1 Low 2412 -2.51 -32 ≤-22.51 PASS High 2462 -2.06 -57.97 ≤-22.06 PASS 11N20SIS O Ant1 Low 2412 -2.44 -33.87 ≤-22.44 PASS High 2462 -2.11 -57.02 ≤-22.11 PASS 19 Test Graphs 11B_Ant1_Low_2412 11B_Ant1_High_2462 11G_Ant1_Low_2412 20 11G_Ant1_High_2462 11N20SISO_Ant1_Low_2412 21 11N20SISO_Ant1_High_2462 22 Appendix F: Conducted Spurious Emission Test Result TestMode Antenna Frequency[MHz] FreqRange [Mhz] RefLevel [dBm] Result [dBm] Limit [dBm] Verdict 11B Ant1 2412 Reference 1.97 1.97 --- PASS 30~1000 1.97 -68.19 ≤-18.03 PASS 1000~26500 1.97 -54.02 ≤-18.03 PASS 2437 Reference 0.74 0.74 --- PASS 30~1000 0.74 -67.84 ≤-19.26 PASS 1000~26500 0.74 -55.22 ≤-19.26 PASS 2462 Reference 1.75 1.75 --- PASS 30~1000 1.75 -67.25 ≤-18.25 PASS 1000~26500 1.75 -54.49 ≤-18.25 PASS 11G Ant1 2412 Reference -2.54 -2.54 --- PASS 30~1000 -2.54 -67.56 ≤-22.54 PASS 1000~26500 -2.54 -54.87 ≤-22.54 PASS 2437 Reference -2.96 -2.96 --- PASS 30~1000 -2.96 -67.85 ≤-22.96 PASS 1000~26500 -2.96 -55.43 ≤-22.96 PASS 2462 Reference -3.69 -3.69 --- PASS 30~1000 -3.69 -68.09 ≤-23.69 PASS 1000~26500 -3.69 -55.22 ≤-23.69 PASS 11N20SISO Ant1 2412 Reference -2.33 -2.33 --- PASS 30~1000 -2.33 -67.89 ≤-22.33 PASS 1000~26500 -2.33 -55.15 ≤-22.33 PASS 2437 Reference -2.07 -2.07 --- PASS 30~1000 -2.07 -68.4 ≤-22.07 PASS 1000~26500 -2.07 -55.16 ≤-22.07 PASS 2462 Reference -2.37 -2.37 --- PASS 30~1000 -2.37 -67.78 ≤-22.37 PASS 1000~26500 -2.37 -55.32 ≤-22.37 PASS 23 Test Graphs 11B_Ant1_2412_0~Reference 11B_Ant1_2412_30~1000 11B_Ant1_2412_1000~26500 24 11B_Ant1_2437_0~Reference 11B_Ant1_2437_30~1000 25 11B_Ant1_2437_1000~26500 11B_Ant1_2462_0~Reference 11B_Ant1_2462_30~1000 26 11B_Ant1_2462_1000~26500 11G_Ant1_2412_0~Reference 27 11G_Ant1_2412_30~1000 11G_Ant1_2412_1000~26500 11G_Ant1_2437_0~Reference 28 11G_Ant1_2437_30~1000 11G_Ant1_2437_1000~26500 29 11G_Ant1_2462_0~Reference 11G_Ant1_2462_30~1000 11G_Ant1_2462_1000~26500 30 11N20SISO_Ant1_2412_0~Reference 11N20SISO_Ant1_2412_30~1000

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. .......................................... : CTA26030201502 2BVOX-NISPLAYY1 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 .................................... : Apr. 03, 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 ........................... : Shenzhen Naishi Technology Co., Ltd. Address ............................................ : A808-8, Bldg 10, Shenzhen Bay Tech Eco-Park, 10 Gaoxin South 9th Rd, Yuehai, Nanshan, Shenzhen, China Test specification.......................... : Standard .......................................... : FCC Part 15.247 TRF Originator ................................. : Shenzhen CTA Testing Technology Co., Ltd. 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. Test item description .................... : Tennis Ball Machine Trade Mark ....................................... : Manufacturer .................................... : Dongguan Nisplay Technology Co., Ltd. Model/Type reference ...................... : NISPLAY Y1 Listed Models ................................... : Refer to page 2 Modulation Type .............................. : CCK/DSSS/OFDM Operation Frequency ....................... : From 2412 - 2462MHz Rating ............................................... : DC 18V From battery and DC 21V From external circuit Result ............................................... : PASS Report No.: CTA26030201502 Page 2 of 30 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 : Tennis Ball Machine Model /Type : NISPLAY Y1 Listed Models : NISPLAY Y2, NISPLAY Y3, NISPLAY L1, NISPLAY L1+, NISPLAY L2, NISPLAY L3, NISPLAY L4, NISPLAY N0+, NISPLAY N2, NISPLAY N3, NISPLAY N4 Model difference : The PCB board, circuit, structure and internal of these models are the same, Only model number and colour is different for these model. Applicant : Shenzhen Naishi Technology Co., Ltd. Address : A808-8, Bldg 10, Shenzhen Bay Tech Eco-Park, 10 Gaoxin South 9th Rd, Yuehai, Nanshan, Shenzhen, China Manufacturer : Dongguan Nisplay Technology Co., Ltd. Address : 4 Guangliang Rd, Dongguan, Guangdong, China 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.: CTA26030201502 Page 3 of 30 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 .............................................................................................................................. 6 2.6 EUT operation mode ......................................................................................................................... 6 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…

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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. ......................................... : CTA26030201501 2BVOX-NISPLAYY1 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 ...................................: Apr. 03, 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...........................: Shenzhen Naishi Technology Co., Ltd. Address ...........................................: A808-8, Bldg 10, Shenzhen Bay Tech Eco-Park, 10 Gaoxin South 9th Rd, Yuehai, Nanshan, Shenzhen, China 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 ................ : Tennis Ball Machine Trade Mark ......................................: Manufacturer ...................................: Dongguan Nisplay Technology Co., Ltd. Model/Type reference .....................: NISPLAY Y1 Listed Models ..................................: Refer to page 2 Modulation ......................................: GFSK Frequency .......................................: From 2402MHz to 2480MHz Ratings ............................................: DC 18V From battery and DC 21V From external circuit Result ..............................................: PASS Report No.: CTA26030201501 Page 2 of 36 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 : Tennis Ball Machine Model /Type : NISPLAY Y1 Listed Models : NISPLAY Y2, NISPLAY Y3, NISPLAY L1, NISPLAY L1+, NISPLAY L2, NISPLAY L3, NISPLAY L4, NISPLAY N0+, NISPLAY N2, NISPLAY N3, NISPLAY N4 Model difference : The PCB board, circuit, structure and internal of these models are the same, Only model number and colour is different for these model. Applicant : Shenzhen Naishi Technology Co., Ltd. Address : A808-8, Bldg 10, Shenzhen Bay Tech Eco-Park, 10 Gaoxin South 9th Rd, Yuehai, Nanshan, Shenzhen, China Manufacturer : Dongguan Nisplay Technology Co., Ltd. Address : 4 Guangliang Rd, Dongguan, Guangdong, China 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.: CTA26030201501 Page 3 of 36 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 Equi…

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