RF Exposure

FCC ID: LDKVCVER1937

RF Exposure Info

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FCCID_4310991

Cisco Systems Inc. FCC ID: LDKVCVER1937, IC: 2461N-VCVER1937 4 FCC §2.1091, §15.407(f) & ISEDC RSS-102 & LP0002– RF Exposure 4.1 Applicable Standards According to FCC §15.407(f), §1.1307(b)(1) and LP0002 5.20.2.2, systems operating under the provisions of this 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. Limits for General Population/Uncontrolled Exposure Frequency Electric Field Magnetic Field Power Density Averaging Time Range Strength Strength (mW/cm2) (minutes) (MHz) (V/m) (A/m) Limits for General Population/Uncontrolled Exposure 0.3-1.34 614 1.63 * (100) 30 2 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 f = frequency in MHz * = Plane-wave equivalent power density According to ISED RSS-102 Issue 5: Report Number: R1902193-407 Page 18 of 79 FCC Part 15.407/ISED RSS-247 /LP0002 Test Report

Cisco Systems Inc. FCC ID: LDKVCVER1937, IC: 2461N-VCVER1937 4.2 MPE Prediction Predication of MPE limit at a given distance, Equation from OET Bulletin 65, Edition 97-01 S = PG/4R² 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 4.3 MPE Results for FCC 2.4 GHz Wi-Fi Aux Maximum output power at antenna input terminal (dBm): 19.56 Maximum output power at antenna input terminal (mW): 90.36 Prediction distance (cm): 30 Prediction frequency (MHz): 2462 Maximum Antenna Gain, typical (dBi): 3 Maximum Antenna Gain (numeric): 2 Power density of prediction frequency at 30.0 cm (mW/cm2): 0.0160 FCC MPE limit for uncontrolled exposure at prediction frequency (mW/cm2): 1.0 The device is compliant with the requirement MPE limit for uncontrolled exposure. The maximum power density at the distance of 30 cm is 0.016 mW/cm2. Limit is 1.0 mW/cm2. 2.4 GHz Wi-Fi Regular Maximum output power at antenna input terminal (dBm): 22.9 Maximum output power at antenna input terminal (mW): 194.98 Prediction distance (cm): 30 Prediction frequency (MHz): 2437 Maximum Antenna Gain, typical (dBi): 10 Maximum Antenna Gain (numeric): 10 Power density of prediction frequency at 30.0 cm (mW/cm2): 0.1725 FCC MPE limit for uncontrolled exposure at prediction frequency (mW/cm2): 1.0 The device is compliant with the requirement MPE limit for uncontrolled exposure. The maximum power density at the distance of 30 cm is 0.1725 mW/cm2. Limit is 1.0 mW/cm2. Report Number: R1902193-407 Page 19 of 79 FCC Part 15.407/ISED RSS-247 /LP0002 Test Report

Cisco Systems Inc. FCC ID: LDKVCVER1937, IC: 2461N-VCVER1937 2.4 GHz BLE Maximum peak output power at antenna input terminal (dBm): 3.67 Maximum peak output power at antenna input terminal (mW): 2.33 Prediction distance (cm): 30 Prediction frequency (MHz): 2426 Maximum Antenna Gain, typical (dBi): 3 Maximum Antenna Gain (numeric): 3.98 Power density of prediction frequency at 30.0 cm (mW/cm2): 0.0004 FCC MPE limit for uncontrolled exposure at prediction frequency (mW/cm2): 1.0 The device is compliant with the requirement MPE limit for uncontrolled exposure. The maximum power density at the distance of 30 cm is 0.0004 mW/cm2. Limit is 1.0 mW/cm2. 5 GHz Wi-Fi Aux Maximum peak output power at antenna input terminal (dBm): 21.4 Maximum peak output power at antenna input terminal (mW): 138.04 Prediction distance (cm): 30 Prediction frequency (MHz): 5825 Maximum Antenna Gain, typical (dBi): 5 Maximum Antenna Gain (numeric): 3.16 Power density of prediction frequency at 30.0 cm (mW/cm2): 0.0386 FCC MPE limit for uncontrolled exposure at prediction frequency (mW/cm2): 1.0 The device is compliant with the requirement MPE limit for uncontrolled exposure. The maximum power density at the distance of 30 cm is 0.0386 mW/cm2. Limit is 1.0 mW/cm2. 5 GHz Wi-Fi XOR Maximum peak output power at antenna input terminal (dBm): 23.6 Maximum peak output power at antenna input terminal (mW): 229.09 Prediction distance (cm): 30 Prediction frequency (MHz): 5745 Maximum Antenna Gain, typical (dBi): 11 Maximum Antenna Gain (numeric): 12.59 Power density of prediction frequency at 30.0 cm (mW/cm2): 0.2551 FCC MPE limit for uncontrolled exposure at prediction frequency (mW/cm2): 1.0 The device is compliant with the requirement MPE limit for uncontrolled exposure. The maximum power density at the distance of 30 cm is 0.2551 mW/cm2. Limit is 1.0 mW/cm2. Report Number: R1902193-407 Page 20 of 79 FCC Part 15.407/ISED RSS-247 /LP0002 Test Report

Cisco Systems Inc. FCC ID: LDKVCVER1937, IC: 2461N-VCVER1937 5 GHz Wi-Fi Regular Maximum peak output power at antenna input terminal (dBm): 23.7 Maximum peak output power at antenna input terminal (mW): 234.42 Prediction distance (cm): 30 Prediction frequency (MHz): 5230 Maximum Antenna Gain, typical (dBi): 11 Maximum Antenna Gain (numeric): 12.59 Power density of prediction frequency at 30.0 cm (mW/cm2): 0.2611 FCC MPE limit for uncontrolled exposure at prediction frequency (mW/cm2): 1.0 The device is compliant with the requirement MPE limit for uncontrolled exposure. The maximum power density at the distance of 30 cm is 0.2611 mW/cm2. Limit is 1.0 mW/cm2. Worst case colocation 5 GHz Wi-Fi Regular, 5 GHz Wi-Fi Aux, 5 GHz Wi-Fi XOR and BLE. Worst- Max Evaluated Worst- MPE Sum of Frequency Case Conducted Distance Case MPE Limit MPE Limit Band MPE Power(dBm) (cm) (mW/cm2) (mW/cm2) Ratios Ratios Worst Case 5 GHz Wi-Fi 23.7 30 0.2611 1.0 26.11 % Regualr 5 GHz 21.4 30 0.0386 1.0 3.86 % Wi-Fi Aux 55.52 % 100% 5 GHz 23.6 30 0.2551 1.0 25.51% Wi-Fi XOR 2.4 GHz 3.67 30 0.0004 1.0 0.04% BLE Note: EUT can operate in the following colocation case, the worst colocation case has been selected to analyse. Case1: 5 GHz Wi-Fi Regular, 5 GHz Wi-Fi Aux, 5 GHz Wi-Fi XOR and BLE. Case2: 5 GHz Wi-Fi Regular, 2.4 GHz Wi-Fi Aux, 5 GHz Wi-Fi XOR and BLE. Case3: 5 GHz Wi-Fi Regular, 2.4 GHz Wi-Fi Aux, 2.4 GHz Wi-Fi and BLE. Case4: 5 GHz Wi-Fi Regular, 5 GHz Wi-Fi Aux, 2.4 GHz Wi-Fi and BLE. Report Number: R1902193-407 Page 21 of 79 FCC Part 15.407/ISED RSS-247 /LP0002 Test Report

Cisco Systems Inc. FCC ID: LDKVCVER1937, IC: 2461N-VCVER1937 4.4 RF exposure evaluation exemption for ISEDC 5 GHz Wi-Fi Aux 21.4 + 5 dBi = 21.9 dBm < 1.31×10-2f0.6834 = 4.903 W = 36.904 dBm 5 GHz Wi-Fi XOR 23.6 + 11 dBi = 34.6 dBm < 1.31×10-2f0.6834 = 4.880 W = 36.884 dBm 5 GHz Wi-Fi Regular 23 + 11 dBi = 34 dBm < 1.31×10-2f0.6834 = 4.880 W = 36.884 dBm Therefore the RF exposure is not required. Report Number: R1902193-407 Page 22 of 79 FCC Part 15.407/ISED RSS-247 /LP0002 Test Report


Document Created: 2019-06-08 05:11:40
Document Modified: 2019-06-08 05:11:40
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