18_AC8 RFExp r1

FCC ID: V7TAC8

RF Exposure Info

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FCCID_4491035

Report No.: BTL-FCCP-3-1906C044A FCC RF EXPOSURE REPORT FCC ID: V7TAC8 Project No. : 1906C044A Equipment : AC1200 Dual-band Gigabit Wireless Router Brand Name : Tenda Test Model : AC8 Series Model : N/A Applicant : SHENZHEN TENDA TECHNOLOGY CO.,LTD Address : 6-8 Floor, Tower E3, No. 1001, Zhongshanyuan Road, Nanshan District, Shenzhen, China. 518052 Manufacturer : SHENZHEN TENDA TECHNOLOGY CO.,LTD Address : 6-8 Floor, Tower E3, No. 1001, Zhongshanyuan Road, Nanshan District, Shenzhen, China. 518052 Date of Receipt : Aug. 26, 2019 Date of Test : Aug. 26, 2019~Sep. 25, 2019 Issued Date : Oct. 21, 2019 Report Version : R01 Test Sample : Engineering Sample No.: DG19082228 Standard(s) : FCC Guidelines for Human Exposure IEEE C95.1 & FCC Part 2.1091 FCC Title 47 Part 2.1091, OET Bulletin 65 Supplement C The above equipment has been tested and found compliance with the requirement of the relative standards by BTL Inc. Prepared by : Kai Xu Approved by : Ethan Ma Add: No.3, Jinshagang 1st Road, Shixia, Dalang Town,Dongguan, Guangdong, China. Tel: +86-769-8318-3000 Web: www.newbtl.com Page 1 of 5

Report No.: BTL-FCCP-3-1906C044A REPORT ISSUED HISTORY Report Version Description Issued Date R00 Original Issue Oct. 12, 2019 R01 Updated the test result. Oct. 21, 2019 Page 2 of 5

Report No.: BTL-FCCP-3-1906C044A 1. MPE CALCULATION METHOD Calculation Method of RF Safety Distance: where: S = power density P = power input to the 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 Table for Filed Antenna Antenna Specification: For 2.4G: Ant. Brand Model Name Antenna Type Connector Gain (dBi) 1 N/A N/A Dipole N/A 5 2 N/A N/A Dipole N/A 5 Note: (1) The EUT incorporates a MIMO function. Physically, the EUT provides two completed transmitters and receivers (2T2R), all transmit signals are completely correlated, then, Direction gain = GANT+10log(N)dBi=5+10log(2),that is Directional gain=8.01. So, the out power limit is 30-8.01+6=27.99, the power density limit is 8-8.01+6=5.99 (2) Beamforming Gain: 3 dB. So, Direction gain =3+5=8, the out power limit is 30-8+6=28, the power density limit is 8-8+6=6. For 5G: Gain Ant. Brand Model Name Antenna Type Connector (dBi) N/A N/A Dipole N/A 5 N/A N/A Dipole N/A 5 Note: (1) This EUT supports MIMO 2X2, any transmit signals are correlated with each other, so Directional gain = GANT+10log(N)dBi, that is Directional gain=5+10lo g(2)dBi=8.01; So the UNII-1, UNII-3 output power limit is 30-8.01+6=27.99. The UNII-1 power density limit is 17-8.01+6=14.99, the UNII-3 power density limit is 30-8.01+6=27.99. (2) Beamforming Gain: 3 dB, So, Direction gain =3+5=8, the UNII-1, UNII-3 out power limit is 30-8+6=28 Page 3 of 5

Report No.: BTL-FCCP-3-1906C044A 2. TEST RESULTS For 2.4GHz Non Beamforming: Antenna Max. Output Max. Output Power Limit of Power Direction Test Gain Power Power Density (S) Density (S) gain (dBi) Result (numeric) (dBm) (mW) (mW/cm2) (mW/cm2) 8.01 6.3241 22.06 160.6941 0.20228 1 Complies For 2.4GHz Beamforming : Antenna Max. Output Max. Output Power Limit of Power Direction Test Gain Power Power Density (S) Density (S) gain (dBi) Result (numeric) (dBm) (mW) (mW/cm2) (mW/cm2) 8 6.3096 21.46 139.9587 0.17577 1 Complies For 5GHz UNII-1 Non Beamforming: Antenna Max. Output Max. Output Power Limit of Power Direction Test Gain Power Power Density (S) Density (S) gain (dBi) Result (numeric) (dBm) (mW) (mW/cm2) (mW/cm2) 8.01 6.3241 25.55 358.9219 0.45180 1 Complies For 5GHz UNII-1 Beamforming: Antenna Max. Output Max. Output Power Limit of Power Direction Test Gain Power Power Density (S) Density (S) gain (dBi) Result (numeric) (dBm) (mW) (mW/cm2) (mW/cm2) 8 6.3096 24.94 311.8890 0.39170 1 Complies For 5GHz UNII-3 Non Beamforming: Antenna Max. Output Max. Output Power Limit of Power Direction Test Gain Power Power Density (S) Density (S) gain (dBi) Result (numeric) (dBm) (mW) (mW/cm2) (mW/cm2) 8.01 6.3241 24.69 294.4422 0.37064 1 Complies For 5GHz UNII-3 Beamforming: Antenna Max. Output Max. Output Power Limit of Power Direction Test Gain Power Power Density (S) Density (S) gain (dBi) Result (numeric) (dBm) (mW) (mW/cm2) (mW/cm2) 8 6.3096 24.07 255.2701 0.32059 1 Complies Page 4 of 5

Report No.: BTL-FCCP-3-1906C044A For the max simultaneous transmission MPE: 2.4G+5G Power Density Power Density Limit of Power (S) (mW/cm2) (S) (mW/cm2) Total Density (S) Test Result 2.4GHz 5GHz (mW/cm2) 0.20228 0.45180 0.65408 1 Complies Note: The calculated distance is 20 cm. End of Test Report Page 5 of 5


Document Created: 2019-10-25 14:07:23
Document Modified: 2019-10-25 14:07:23
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