RF Exposure

FCC ID: U2M-OAP8250AG

RF Exposure Info

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FCCID_3113652

SPORTON International Inc. No. 52, Hwa Ya 1st Rd., Hwa Ya Technology Park, Kwei—Shan Hsiang, Tao Yuan Hsien, Taiwan, R.O.C. Ph: 886—3—327—3456 / FAX: 886—3—327—0973 / www.sporton.com.fw sponton Las. Project No: CB10501347 Maximum Permissible Exposure Report Applicant‘s company Senao Networks Inc. Applicant Address 3F, No. 529, Chung Cheng Rd., Hsintien, Taipei, Taiwan FCC ID U2M—OAP8250AG Manufacturer‘s company Senao Networks, Inc. Manufacturer Address 3F, No. 529, Chung Cheng Rd., Hsintien, Taipei, Taiwan Product Name Outdoor Wireless Access Point Brand Name SENAO EnGenius Model Name OAP8250AG & OAP8251AG & EWS870AP & EWS871AP Ref. Standard(s) 47 CFR FCC Part 2 Subpairt J, section 2.1091 Received Date Nov. 10, 2015 Final Test Date Jun. 02, 2016 Submission Type Original Equipment Go Testing Laboratory 1190 Sam Chen SPORTON INTERNATIONAL INC. Report Format Version: 01 FCC ID : UZM—OAP8250AG

Report No.: FA541521AA Table of Contents 1. GENERAL DESCRIPTION.................................................................................................................................... 1 1.1. EUT General Information .....................................................................................................................................................................1 1.2. Table for Multiple List...........................................................................................................................................................................1 1.3. Testing Location..................................................................................................................................................................................1 2. MAXIMUM PERMISSIBLE EXPOSURE.................................................................................................................... 2 2.1. Limit of Maximum Permissible Exposure ..............................................................................................................................................2 2.2. MPE Calculation Method ....................................................................................................................................................................2 2.3. Calculated Result and Limit................................................................................................................................................................3 Report Format Version: 01 Page No. : i of ii FCC ID : U2M-OAP8250AG Issued Date : Aug. 17, 2016

Report No.: FA541521AA History of This Test Report REPORT NO. VERSION DESCRIPTION ISSUED DATE FA541521AA Rev. 01 Initial issue of report Aug. 17, 2016 Report Format Version: 01 Page No. : ii of ii FCC ID : U2M-OAP8250AG Issued Date : Aug. 17, 2016

Report No.: FA541521AA 1. GENERAL DESCRIPTION 1.1. EUT General Information RF General Information Frequency Operating Evaluation Range Frequency Modulation Type Mode (MHz) (MHz) 802.11b: DSSS (DBPSK, DQPSK, CCK) 802.11g/n: OFDM (BPSK, QPSK, 16QAM, 64QAM) 2.4GHz WLAN 2400-2483.5 2412-2462 802.11ac: OFDM (BPSK, QPSK, 16QAM, 64QAM, 256QAM) 802.11a/n: OFDM (BPSK, QPSK, 16QAM, 64QAM) 5150-5250 5180-5240 5GHz WLAN 802.11ac: OFDM (BPSK, QPSK, 16QAM, 64QAM, 5725-5850 5745-5825 256QAM) 1.2. Table for Multiple List The model names are identical to each other in all aspects except for the following table: Internal External Equipped Equipment EUT Model Name Antenna Antenna Antenna OAP8251AG 1 X V Set 1~2 EWS871AP Outdoor Wireless Access Point OAP8250AG 2 V X Set 3 EWS870AP 1.3. Testing Location Testing Location HWA YA ADD : No. 52, Hwa Ya 1st Rd., Kwei-Shan Hsiang, Tao Yuan Hsien, Taiwan, R.O.C. TEL : 886-3-327-3456 FAX : 886-3-327-0973 JHUBEI ADD : No.8, Lane 724, Bo-ai St., Jhubei City, HsinChu County 302, Taiwan, R.O.C. TEL : 886-3-656-9065 FAX : 886-3-656-9085 Report Format Version: 01 Page No. : 1 of 6 FCC ID : U2M-OAP8250AG Issued Date : Aug. 17, 2016

Report No.: FA541521AA 2. MAXIMUM PERMISSIBLE EXPOSURE 2.1. Limit of Maximum Permissible Exposure (A) Limits for Occupational / Controlled Exposure Averaging Time Frequency Range Electric Field Magnetic Field Power Density (S) |E|²,|H|² or S (MHz) Strength (E) (V/m) Strength (H) (A/m) (mW/ cm²) (minutes) 0.3-3.0 614 1.63 (100)* 6 3.0-30 1842 / f 4.89 / f (900 / f)* 6 30-300 61.4 0.163 1.0 6 300-1500 F/300 6 1500-100,000 5 6 (B) Limits for General Population / Uncontrolled Exposure Averaging Time Frequency Range Electric Field Magnetic Field Power Density (S) |E|²,|H|² or S (MHz) Strength (E) (V/m) Strength (H) (A/m) (mW/ cm²) (minutes) 0.3-1.34 614 1.63 (100)* 30 1.34-30 824/f 2.19/f (180/f)* 30 30-300 27.5 0.073 0.2 30 300-1500 F/1500 30 1500-100,000 1.0 30 Note: f = frequency in MHz ; *Plane-wave equivalent power density 2.2. MPE Calculation Method The MPE was calculated at 25 cm to show compliance with the power density limit. The following formula was used to calculate the Power Density: E (V/m) ＝ 30  P  G Power Density: Pd (W/m²) ＝ E2 d 377 E ＝ Electric field (V/m) P ＝ Peak RF output power (W) G ＝ EUT Antenna numeric gain (numeric) d ＝ Separation distance between radiator and human body (m) The formula can be changed to Pd ＝ 30  P  G 377  d 2 Report Format Version: 01 Page No. : 2 of 6 FCC ID : U2M-OAP8250AG Issued Date : Aug. 17, 2016

Report No.: FA541521AA 2.3. Calculated Result and Limit Exposure Environment: General Population / Uncontrolled Exposure For EUT 1 For Non-Beamforming Mode For 5GHz Band: Antenna Type : Dipole Antenna Conducted Power for IEEE 802.11a: 27.36dBm The maximum Limit of Antenna Power Distance Test Freq. Antenna combined Average Power Gain Density (S) Test Result (cm) (MHz) Gain (dBi) Output Power Density (S) (numeric) (mW/cm²) (dBm) (mW) (mW/cm²) 25 5785 6.01 3.9902 27.3596 544.4553 0.276753 1 Complies For 2.4GHz Band: Antenna Type : Dipole Antenna Conducted Power for IEEE 802.11g: 27.88 dBm The maximum Limit of Antenna Power Distance Test Freq. Antenna combined Average Power Gain Density (S) Test Result (cm) (MHz) Gain (dBi) Output Power Density (S) (numeric) (mW/cm²) (dBm) (mW) (mW/cm²) 25 2437 4.50 2.8184 27.8843 614.3639 0.220575 1 Complies Report Format Version: 01 Page No. : 3 of 6 FCC ID : U2M-OAP8250AG Issued Date : Aug. 17, 2016

Report No.: FA541521AA For Beamforming Mode For 5GHz Band: Antenna Type : Dipole Antenna Conducted Power for IEEE 802.11ac MCS0/Nss1 (VHT20): 23.47dBm The maximum Limit of Antenna Power Distance Test Freq. Directional combined Average Power Gain Density (S) Test Result (cm) (MHz) Gain (dBi) Output Power Density (S) (numeric) (mW/cm²) (dBm) (mW) (mW/cm²) 25 5785 12.03 15.9610 23.4707 222.3651 0.452123 1 Complies  N SS  N ANT   2     g j ,k   Note:  j 1 k 1   DirectionalGain  10  log    N ANT       For 2.4GHz Band: Antenna Type : Dipole Antenna Conducted Power for IEEE 802.11ac MCS0/Nss1 (VHT20): 25.47dBm The maximum Limit of Antenna Power Distance Test Freq. Directional combined Average Power Gain Density (S) Test Result (cm) (MHz) Gain (dBi) Output Power Density (S) (numeric) (mW/cm²) (dBm) (mW) (mW/cm²) 25 2437 10.52 11.2735 25.4673 352.1524 0.505733 1 Complies  N SS  N ANT   2     g j ,k   Note:  j 1 k 1   DirectionalGain  10  log    N ANT       Conclusion: Both of the WLAN 2.4GHz Band and WLAN 5GHz Band can transmit simultaneously, the formula of calculated the MPE is: CPD1 / LPD1 + CPD2 / LPD2 + ……etc. < 1 CPD = Calculation power density LPD = Limit of power density Therefore, the worst-case situation is 0.452123 / 1 + 0.505733 / 1= 0.957856, which is less than “1”. This confirmed that the device complies. Report Format Version: 01 Page No. : 4 of 6 FCC ID : U2M-OAP8250AG Issued Date : Aug. 17, 2016

Report No.: FA541521AA For EUT 2 For Non-Beamforming Mode For 5GHz Band: Antenna Type : PIFA Antenna Conducted Power for IEEE 802.11ac MCS0/Nss1 (VHT20): 28.41dBm The maximum Limit of Antenna Power Distance Test Freq. Antenna combined Average Power Gain Density (S) Test Result (cm) (MHz) Gain (dBi) Output Power Density (S) (numeric) (mW/cm²) (dBm) (mW) (mW/cm²) 25 5785 6.25 4.2170 28.4060 692.7817 0.372157 1 Complies For 2.4GHz Band: Antenna Type : PIFA Antenna Conducted Power for IEEE 802.11ac MCS0/Nss1 (VHT20): 28.63dBm The maximum Limit of Antenna Power Distance Test Freq. Antenna combined Average Power Gain Density (S) Test Result (cm) (MHz) Gain (dBi) Output Power Density (S) (numeric) (mW/cm²) (dBm) (mW) (mW/cm²) 25 2437 6.45 4.4157 28.6295 729.3666 0.410276 1 Complies Report Format Version: 01 Page No. : 5 of 6 FCC ID : U2M-OAP8250AG Issued Date : Aug. 17, 2016

Report No.: FA541521AA For Beamforming Mode For 5GHz Band: Antenna Type : PIFA Antenna Conducted Power for IEEE 802.11ac MCS0/Nss1 (VHT20): 23.59dBm The maximum Limit of Antenna Power Distance Test Freq. Directional combined Average Power Gain Density (S) Test Result (cm) (MHz) Gain (dBi) Output Power Density (S) (numeric) (mW/cm²) (dBm) (mW) (mW/cm²) 25 5785 12.09 16.1673 23.5851 228.3024 0.470197 1 Complies  N SS  N ANT   2     g j ,k   Note:  j 1 k 1   DirectionalGain  10  log    N ANT       For 2.4GHz Band: Antenna Type : PIFA Antenna Conducted Power for IEEE 802.11ac MCS0/Nss1(VHT20): 23.91dBm The maximum Limit of Antenna Power Distance Test Freq. Directional combined Average Power Gain Density (S) Test Result (cm) (MHz) Gain (dBi) Output Power Density (S) (numeric) (mW/cm²) (dBm) (mW) (mW/cm²) 25 2437 12.04 16.0139 23.9127 246.1917 0.502227 1 Complies  N SS  N ANT   2     g j ,k   Note:  j 1 k 1   DirectionalGain  10  log    N ANT       Conclusion: Both of the WLAN 2.4GHz Band and WLAN 5GHz Band can transmit simultaneously, the formula of calculated the MPE is: CPD1 / LPD1 + CPD2 / LPD2 + ……etc. < 1 CPD = Calculation power density LPD = Limit of power density Therefore, the worst-case situation is 0.470197 / 1 + 0.502227 / 1 = 0.972423, which is less than “1”. This confirmed that the device complies. Report Format Version: 01 Page No. : 6 of 6 FCC ID : U2M-OAP8250AG Issued Date : Aug. 17, 2016


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Document Modified: 2017-12-13 11:36:10
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