OTA TEST REPORT Applicant Espressif Systems Product ESP ANT B Model ESP ANT B Report No. Y1806A0621-T1V1 Issue Date December 21, 2018 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. Performed by: Jiangpeng Lan Approved by: Kai Xu TA Technology (Shanghai) Co., Ltd. No.
OTA Test Report Report No: Y1806A0621-T1V1 TABLE OF CONTENTS 1. 2. 3. 4. 5. General Information ....................................................................................................................... 3 1.1. Notes of the Test Report ................................................................................................... 3 1.2. Test facility ........................................................................................................................ 3 1.3.
OTA Test Report Report No: Y1806A0621-T1V1 1. General Information 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.
OTA Test Report Report No: Y1806A0621-T1V1 1.3. Testing laboratory Company: TA Technology (Shanghai) Co., Ltd. Address: No.145, Jintang Rd, Tangzhen Industry Park, Pudong 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: xukai@ta-shanghai.com 1.4. Laboratory Environment Temperature Min. =19℃，Max. = 25℃ Relative humidity Min. =40%，Max.
OTA Test Report Report No: Y1806A0621-T1V1 2. General Description of Equipment under Test 2.1. Applicant Information Company: Espressif Systems Address: #101, Block 2, 690 Bibo Road, Zhang Jiang High-Tech Park, Shanghai, China 2.2. Manufacturer Information Company: Espressif Systems Address: #101, Block 2, 690 Bibo Road, Zhang Jiang High-Tech Park, Shanghai, China 2.3.
OTA Test Report Report No: Y1806A0621-T1V1 2.5. Applied Standards According to the specifications of the manufacturer, it must comply with the requirements of the following standards: Test Method: ANSI/IEEE Std 149-2008 TA Technology (Shanghai) Co., Ltd. TA-MB-04-008O This report shall not be reproduced except in full, without the written approval of TA Technology (Shanghai) Co., Ltd.
OTA Test Report Report No: Y1806A0621-T1V1 3. Test Conditions 3.1. Test Configuration Great-Circle-Cut method is used to measure the antenna 3D GAIN of EUT in OTA qualified anechoic chamber. Equipment Under Test (EUT) geometry centre vertical projection at the centre of platform, the distance from EUT to measurement antenna is 5m. 3.2. Test Measurement Spherical coordinate system Figure 1 Test coordinate system Note: Theta is from 0~180 degree. Phi is from 0~360.
OTA Test Report Report No: Y1806A0621-T1V1 4. Test Results 4.1. Gain and Efficiency Model ESP-ANT B Test Item Gain Test State Free Space Frequency (MHz) 2412 Efficiency (%) 73.79 Gain (dB) 2.39 2417 77.04 2.97 2422 79.83 2.80 2427 81.19 2.89 2432 80.54 3.04 2437 76.86 2.86 2442 76.17 2.99 2447 73.99 2.96 2452 72.00 2.80 2457 70.71 2.72 2462 71.31 2.94 2467 71.32 3.12 2472 72.03 3.28 2477 72.71 3.24 2482 75.42 3.
OTA Test Report Report No: Y1806A0621-T1V1 4.2. Voltage Standing Wave Ratio (VSWR) Frequency (MHz) 2412 2437 2463 2484 VSWR 1.32 1.17 1.17 1.28 TA Technology (Shanghai) Co., Ltd. TA-MB-04-008O This report shall not be reproduced except in full, without the written approval of TA Technology (Shanghai) Co., Ltd.
OTA Test Report Report No: Y1806A0621-T1V1 4.3. Antenna S11 Frequency (MHz) 2412 2437 2463 2484 S11(dB) -17.07 -21.64 -22.52 -18.51 TA Technology (Shanghai) Co., Ltd. TA-MB-04-008O This report shall not be reproduced except in full, without the written approval of TA Technology (Shanghai) Co., Ltd.
OTA Test Report Report No: Y1806A0621-T1V1 5. Test Equipment List Type of Equipment Manufacture Model Number SN Calibration Date Expiration Time Network Analyzer Key sight E5071B MY42404014 2018-05-20 2019-05-19 Switch Control System ETS 7006/7001 00059957/MY4 2001152 2018-05-20 2019-05-19 Dual polarized horn antenna ETS 3164-04 00062743 2018-05-20 2019-05-19 Anechoic Chamber ETS AMS-8500 CT-0011571219 / / ETS-lindgren EMQ-100 Pattern Measureme nt software 1.
OTA Test Report Report No: Y1806A0621-T1V1 APPENDIX A: 2-D Pattern Plots Cut1 0 2 30 330 -2 -6 60 300 Gain (dBi) -10 -12 -16 90 270 -20 120 Max: 2 Min: -20 Scale: 2/div 2412 MHz 2417 MHz 2422 MHz 2427 MHz 2432 MHz 2437 MHz 2442 MHz 2447 MHz 2452 MHz 2457 MHz 2462 MHz 2467 MHz 2472 MHz 2477 MHz 2482 MHz 240 150 210 180 Angle (? Horizontal X-Y Cut2 0 30 2 330 -2 -6 60 300 Gain (dBi) -10 -12 -16 90 270 -20 240 120 Max: 2 Min: -20 Scale: 2/div 2412 MHz 2417 MHz 2422 MHz 2427 MHz 2
OTA Test Report Report No: Y1806A0621-T1V1 Cut1 0 2 30 330 -2 -6 60 300 Gain (dBi) -10 -12 -16 90 270 -20 120 Max: 2 Min: -20 Scale: 2/div 2412 MHz 2417 MHz 2422 MHz 2427 MHz 2432 MHz 2437 MHz 2442 MHz 2447 MHz 2452 MHz 2457 MHz 2462 MHz 2467 MHz 2472 MHz 2477 MHz 2482 MHz 240 150 210 180 Angle (? Vertical X-Y Cut2 0 30 2 330 -2 -6 60 300 Gain (dBi) -10 -12 -16 90 270 -20 120 Max: 2 Min: -20 Scale: 2/div 2412 MHz 2417 MHz 2422 MHz 2427 MHz 2432 MHz 2437 MHz 2442 MHz 2447 MHz 245
OTA Test Report Report No: Y1806A0621-T1V1 APPENDIX B: The EUT Appearance and Test Configuration B.1 EUT Appearance Picture 1 Constituents of EUT TA Technology (Shanghai) Co., Ltd. TA-MB-04-008O This report shall not be reproduced except in full, without the written approval of TA Technology (Shanghai) Co., Ltd.
OTA Test Report Report No: Y1806A0621-T1V1 B.2 Test Configuration ESP-ANT B Picture 2 Test Setup ******END****** TA Technology (Shanghai) Co., Ltd. TA-MB-04-008O This report shall not be reproduced except in full, without the written approval of TA Technology (Shanghai) Co., Ltd.
