FCC SAR Test Report FCC SAR Test Report Report No. : PSU-NQN2208230209SA02 Applicant : HMD Global Oy Address : Bertel Jungin aukio 9,02600 Espoo,Finland Manufacturer : HMD Global Oy Address : Bertel Jungin aukio 9,02600 Espoo,Finland Product : Tablet PC FCC ID : 2AJOTTA-1487 Brand : NOKIA Model No. : TA-1487 Standards : FCC 47 CFR Part 2 (2.1093) / IEEE C95.
FCC SAR Test Report Table of Contents Release Control Record ................................................................................................................................................................ 3 1. Summary of Maximum SAR Value ........................................................................................................................................ 4 2. Description of Equipment Under Test .............................................................................
FCC SAR Test Report Release Control Record Report No. PSU-NQN2208230209SA02 Reason for Change Date Issued Initial release Report Format Version 5.0.0 Report No. : PSU-NQN2208230209SA02 Sep. 14, 2022 Page No. : 3 of 34 Issued Date : Sep.
FCC SAR Test Report 1. Summary of Maximum SAR Value Highest Reported Equipment Class Mode DTS 2.4G WLAN 1.18 NII 5.2G WLAN 5.3G WLAN 5.6G WLAN 5.8G WLAN N/A 1.13 1.19 1.06 DSS Bluetooth 0.18 Body SAR1g (W/kg) Highest Simultaneous Transmission SAR 1.36 Note: 1. The SAR limit (Head & Body: SAR1g 1.6 W/kg, Extremity: SAR10g 4.0 W/kg) for general population / uncontrolled exposure is specified in FCC 47 CFR part 2 (2.1093) and ANSI/IEEE C95.1-1992. Report Format Version 5.0.0 Report No.
FCC SAR Test Report 2. Description of Equipment Under Test EUT Type FCC ID Brand Name Model Name HW Version SW Version Tx Frequency Bands (Unit: MHz) Uplink Modulations Maximum Tune-up Conducted Power (Unit: dBm) Antenna Type EUT Stage Tablet PC 2AJOTTA-1487 NOKIA TA-1487 EM_U1630_V1.2 L20 V0.492_B01 WLAN : 2412 ~ 2462, 5180 ~ 5240, 5260 ~ 5320, 5500 ~ 5720, 5745 ~ 5825 Bluetooth : 2402 ~ 2480 802.11b : DSSS 802.11a/g/n/ac : OFDM Bluetooth : GFSK, π/4-DQPSK, 8-DPSK, LE Please refer to section 4.5.
FCC SAR Test Report 3. SAR Measurement System 3.1 Definition of Specific Absorption Rate (SAR) SAR is related to the rate at which energy is absorbed per unit mass in an object exposed to a radio field. The SAR distribution in a biological body is complicated and is usually carried out by experimental techniques or numerical modeling.
FCC SAR Test Report Fig-3.1 DASY System Setup 3.2.1 Robot The DASY system uses the high precision robots from Stäubli SA (France). For the 6-axis controller system, the robot controller version (DASY5: CS8c) from Stäubli is used. The Stäubli robot series have many features that are important for our application: ‧ High precision (repeatability ±0.
FCC SAR Test Report 3.2.2 Probes The SAR measurement is conducted with the dosimetric probe. The probe is specially designed and calibrated for use in liquid with high permittivity. The dosimetric probe has special calibration in liquid at different frequency. Model Construction Frequency Directivity Dynamic Range Dimensions Model Construction Frequency Directivity Dynamic Range Dimensions 3.2.3 EX3DV4 Symmetrical design with triangular core. Built-in shielding against static charges.
FCC SAR Test Report 3.2.4 Phantoms Model Construction Material Shell Thickness Dimensions Filling Volume Model Construction Material Shell Thickness Dimensions Filling Volume Twin SAM The shell corresponds to the specifications of the Specific Anthropomorphic Mannequin (SAM) phantom defined in IEEE 1528 and IEC 62209-1. It enables the dosimetric evaluation of left and right hand phone usage as well as body mounted usage at the flat phantom region. A cover prevents evaporation of the liquid.
FCC SAR Test Report 3.2.5 Device Holder Model Construction Material Model Construction Material 3.2.6 Mounting Device In combination with the Twin SAM Phantom or ELI4, the Mounting Device enables the rotation of the mounted transmitter device in spherical coordinates. Rotation point is the ear opening point. Transmitter devices can be easily and accurately positioned according to IEC, IEEE, FCC or other specifications.
FCC SAR Test Report 3.2.7 Tissue Simulating Liquids For SAR measurement of the field distribution inside the phantom, the phantom must be filled with homogeneous tissue simulating liquid to a depth of at least 15 cm. For head SAR testing, the liquid height from the ear reference point (ERP) of the phantom to the liquid top surface is larger than 15 cm. For body SAR testing, the liquid height from the center of the flat phantom to the liquid top surface is larger than 15 cm.
FCC SAR Test Report Table-3.1 Targets of Tissue Simulating Liquid Frequency (MHz) Target Permittivity 750 835 900 1450 1640 1750 1800 1900 2000 2300 2450 2600 3500 5200 5300 5500 5600 5800 41.9 41.5 41.5 40.5 40.3 40.1 40.0 40.0 40.0 39.5 39.2 39.0 37.9 36.0 35.9 35.6 35.5 35.3 Range of ±5% For Head 39.8 ~ 44.0 39.4 ~ 43.6 39.4 ~ 43.6 38.5 ~ 42.5 38.3 ~ 42.3 38.1 ~ 42.1 38.0 ~ 42.0 38.0 ~ 42.0 38.0 ~ 42.0 37.5 ~ 41.5 37.2 ~ 41.2 37.1 ~ 41.0 36.0 ~ 39.8 34.2 ~ 37.8 34.1 ~ 37.7 33.8 ~ 37.4 33.7 ~ 37.
FCC SAR Test Report 3.3 SAR System Verification The system check verifies that the system operates within its specifications. It is performed daily or before every SAR measurement. The system check uses normal SAR measurements in the flat section of the phantom with a matched dipole at a specified distance. The system verification setup is shown as below. Fig-3.4 System Verification Setup The validation dipole is placed beneath the flat phantom with the specific spacer in place.
FCC SAR Test Report 3.
FCC SAR Test Report 3.4.3 Power Drift Monitoring All SAR testing is under the EUT install full charged battery and transmit maximum output power. In DASY measurement software, the power reference measurement and power drift measurement procedures are used for monitoring the power drift of EUT during SAR test. Both these procedures measure the field at a specified reference position before and after the SAR testing. The software will calculate the field difference in dB.
FCC SAR Test Report 4. SAR Measurement Evaluation 4.1 EUT Configuration and Setting The device supports WLAN, and Bluetooth capabilities. It is designed with three proximity sensor which can trigger/not trigger power reduction for WLAN on Rear Face Left Side and Top Side of EUT for SAR compliance. Others RF capability (Bluetooth) have no power reduction. The power levels for all wireless technologies and the power reduction please refer to section 4.
FCC SAR Test Report Output Power Verification in dBm for EUT Rear Face (moving away phantom) Distance (mm) WLAN2.4G Ch11 (802.11b) WLAN5.2G Ch36 (802.11a) WLAN5.3G Ch52 (802.11a) WLAN5.6G Ch100 (802.11a) WLAN5.8G Ch149 (802.11a) 9 10 11 12 13 14 16 17 18 19 20 14.52 14.52 14.52 14.52 14.52 16.34 16.34 16.34 16.34 16.34 16.34 6.84 6.84 6.84 6.84 6.84 15.54 15.54 15.54 15.54 15.54 15.54 6.40 6.40 6.40 6.40 6.40 15.32 15.32 15.32 15.32 15.32 15.32 6.30 6.30 6.
FCC SAR Test Report Output Power Verification in dBm for EUT Top Side (moving toward phantom) Distance (mm) WLAN2.4G Ch11 (802.11b) WLAN5.2G Ch36 (802.11a) WLAN5.3G Ch52 (802.11a) WLAN5.6G Ch100 (802.11a) WLAN5.8G Ch149 (802.11a) 7 8 9 10 11 12 13 14 15 16 17 14.52 14.52 14.52 14.52 14.52 16.34 16.34 16.34 16.34 16.34 16.34 6.84 6.84 6.84 6.84 6.84 15.54 15.54 15.54 15.54 15.54 15.54 6.40 6.40 6.40 6.40 6.40 15.32 15.32 15.32 15.32 15.32 15.32 6.30 6.30 6.
FCC SAR Test Report Output Power Verification in dBm for EUT Top Side (moving away phantom) Distance (mm) WLAN2.4G Ch11 (802.11b) WLAN5.2G Ch36 (802.11a) WLAN5.3G Ch52 (802.11a) WLAN5.6G Ch100 (802.11a) WLAN5.8G Ch149 (802.11a) 9 10 11 12 13 14 16 17 18 19 20 14.52 14.52 14.52 14.52 14.52 16.34 16.34 16.34 16.34 16.34 16.34 6.84 6.84 6.84 6.84 6.84 15.54 15.54 15.54 15.54 15.54 15.54 6.40 6.40 6.40 6.40 6.40 15.32 15.32 15.32 15.32 15.32 15.32 6.30 6.30 6.
FCC SAR Test Report Proximity Sensor Coverage (KDB 616217 D04 §6.3) Since the proximity sensor is collocated with antenna in one component, the procedure for proximity sensor coverage is not required. Proximity Sensor Tilt Angle Influences(KDB 616217 D04 §6.4) The proximity sensor tilt angle influence was determined per KDB 616217 for applicable edge. Summary for proximity sensor tilt angle influence is shown in below.
FCC SAR Test Report The power reduction is depends on the proximity sensor input. For a steady SAR test, the power reduction was enabled or disabled manually by engineering software during SAR testing. WLAN Antenna Proximity Sensor Trigger Distance (mm) Position Rear Face Top Side Minimum 11 11 In general, various vendor specific external test software and chipset based internal test modes are typically used for SAR measurement.
FCC SAR Test Report SAR Test Configuration and Channel Selection When multiple channel bandwidth configurations in a frequency band have the same specified maximum output power, the initial test configuration is using largest channel bandwidth, lowest order modulation, lowest data rate, and lowest order 802.11 mode (i.e., 802.11a is chosen over 802.11n then 802.11ac or 802.11g is chosen over 802.11n).
FCC SAR Test Report WLAN5G_802.11a: Duty cycle = 1.39 / 1.57 = 0.8854 BT_8DPSK: Duty cycle = 2.90 / 3.75 = 0.7733 Report Format Version 5.0.0 Report No. : PSU-NQN2208230209SA02 Page No. : 23 of 34 Issued Date : Sep.
FCC SAR Test Report 4.2 EUT Testing Position 4.2.1 Body Exposure Conditions For full-size tablet, according to KDB 616217 D04, SAR evaluation is required for back surface and edges of the devices. The back surface and edges of the tablet are tested with the tablet touching the phantom. Exposures from antennas through the front surface of the display section of a tablet are generally limited to the user’s hands.
FCC SAR Test Report 4.2.2 SAR Test Exclusion Evaluations According to KDB 447498 D04 Appendix B, the SAR test exclusion condition is based on source-based time-averaged maximum conducted output power, adjusted for tune-up tolerance, and the minimum test separation distance required for the exposure conditions. The SAR exclusion threshold is determined by the following.
FCC SAR Test Report 4.2.3 Simultaneous Transmission Possibilities The simultaneous transmission possibilities for this device are listed as below. Simultaneous TX Combination 1 2 Capable Transmit Configurations Body Exposure Condition WLAN2.4G + BT Yes WLAN5G + BT Yes 4.3 Tissue Verification The measuring results for tissue simulating liquid are shown as below. Test Date Tissue Type Frequency (MHz) Liquid Temp.
FCC SAR Test Report 4.5 Maximum Output Power 4.5.1 Maximum Conducted Power The maximum conducted average power (Unit: dBm) including tune-up tolerance please refer to Appendix D. 4.5.2 Measured Conducted Power Result The measured conducted power result (Unit: dBm) please refer to Appendix D. 4.6 SAR Testing Results 4.6.
FCC SAR Test Report 4.6.2 Plot No. 1 2 3 4 5 SAR Results for Body Exposure Condition (Separation Distance is 0 cm Gap) Band Mode Test Position Separation Distance (cm) Ch. Power Reduction Duty Cycle % WLAN2.4G WLAN2.4G WLAN2.4G WLAN2.4G WLAN2.4G WLAN5G WLAN5G WLAN5G WLAN5G WLAN5G WLAN5G WLAN5G WLAN5G WLAN5G WLAN5G WLAN5G WLAN5G WLAN5G WLAN5G WLAN5G WLAN5G WLAN5G WLAN5G BT BT 802.11b 802.11b 802.11b 802.11b 802.11b 802.11a 802.11a 802.11a 802.11a 802.11a 802.11a 802.11a 802.11a 802.11a 802.
FCC SAR Test Report 4.6.3 SAR Measurement Variability According to KDB 865664 D01, SAR measurement variability was assessed for each frequency band, which is determined by the SAR probe calibration point and tissue-equivalent medium used for the device measurements.
FCC SAR Test Report 4.6.4 Simultaneous Multi-band Transmission Evaluation Simultaneous transmission SAR test exclusion is determined for each operating configuration and exposure condition according to the reported standalone SAR of each applicable simultaneous transmitting antenna. When the sum of SAR1g of all simultaneously transmitting antennas in an operating mode and exposure condition combination is within the SAR limit (SAR1g 1.
FCC SAR Test Report 5. Calibration of Test Equipment Equipment System Validation Dipole System Validation Dipole Data Acquisition Electronics Dosimetric E-Field Probe Magnetic Field Probe Vector network analyzer Wideband Radio Communication Tester Power Meter Power Sensor Power Sensor ESG Analog Signal Generator Manufacturer SPEAG SPEAG SPEAG SPEAG SPEAG SPEAG Model D2450V2 D5GHzV2 DAE4 EX3DV4 DAKS-3.5 DAKS_VNA R140 SN 1048 1315 755 3985 1119 0121219 Cal. Date Oct. 21, 2021 Oct. 22, 2021 Apr.
FCC SAR Test Report 6. Measurement Uncertainty DASY6 Uncertainty Budget According to IEC 62209-2/2010 (30 MHz - 6 GHz range) Error Description Uncertainty Value (±%) Probability Standard Uncertainty (1g) (±%) Standard Uncertainty (10g) (±%) (Vi) Veff Measurement System Probe Calibration 6.65 N 1 1 Axial Isotropy 4.7 R 1.732 0.7 1 6.7 6.7 ∞ 0.7 1.9 1.9 Hemispherical Isotropy 9.6 R 1.732 0.7 ∞ 0.7 3.9 3.9 Boundary Effects 2.0 R 1.732 ∞ 1 1 1.2 1.2 Linearity 4.
FCC SAR Test Report 7. Information on the Testing Laboratories We, Huarui 7layers High Technology (Suzhou) Co., Ltd., were founded in 2020 to provide our best service in EMC, Radio, Telecom and Safety consultation. If you have any comments, please feel free to contact us at the following: Add: Tower N, Innovation Center, 88 Zuyi Road, High-tech District, Suzhou City, Anhui Province Tel: +86 (0557) 368 1008 The road map of all our labs can be found in our web site also Web: http://www.7Layers.
FCC SAR Test Report Appendix A. SAR Plots of System Verification The plots for system verification with largest deviation for each SAR system combination are shown as follows. Report Format Version 5.0.0 Report No. : PSU-NQN2208230209SA02 Issued Date : Sep.
Test Laboratory: ritt 7 Layers SAR/HAC Testing Lab Date: 08/19/2022 System Check_HSL2450_220819 DUT: Dipole 2450 MHz; Type: D2450V2 Communication System: CW; Frequency: 2450 MHz;Duty Cycle: 1:1 Medium: HSL2450_0819 Medium parameters used: f = 2450 MHz; σ = 1.819 S/m; εr = 39.37; ρ = 1000 kg/m3 Ambient Temperature:23.3℃; Liquid Temperature:22.5℃ DASY5 Configuration: - Probe: EX3DV4 - SN3985; ConvF(7.68, 7.68, 7.68) @ 2450 MHz; Calibrated: 05/16/2022 - Sensor-Surface: 1.
Test Laboratory: ritt 7 Layers SAR/HAC Testing Lab Date: 08/20/2022 System Check_HSL5250_220820 DUT: Dipole D5GHzV2; Type: D5GHzV2 Communication System: CW; Frequency: 5250 MHz;Duty Cycle: 1:1 Medium: HSL5G_0820 Medium parameters used: f = 5250 MHz; σ = 4.63 S/m; εr = 36.196; ρ = 1000 kg/m3 Ambient Temperature:23.6℃; Liquid Temperature:22.6℃ DASY5 Configuration: - Probe: EX3DV4 - SN3985; ConvF(5.52, 5.52, 5.52) @ 5250 MHz; Calibrated: 05/16/2022 - Sensor-Surface: 1.
Test Laboratory: ritt 7 Layers SAR/HAC Testing Lab Date: 08/21/2022 System Check_HSL5600_220821 DUT: Dipole D5GHzV2; Type: D5GHzV2 Communication System: CW; Frequency: 5600 MHz;Duty Cycle: 1:1 Medium: HSL5G_0821 Medium parameters used: f = 5600 MHz; σ = 5.013 S/m; εr = 35.634; ρ = 1000 kg/m3 Ambient Temperature:23.1℃; Liquid Temperature:22.8℃ DASY5 Configuration: - Probe: EX3DV4 - SN3985; ConvF(4.97, 4.97, 4.97) @ 5600 MHz; Calibrated: 05/16/2022 - Sensor-Surface: 1.
Test Laboratory: ritt 7 Layers SAR/HAC Testing Lab Date: 08/22/2022 System Check_HSL5750_220822 DUT: Dipole D5GHzV2; Type: D5GHzV2 Communication System: CW; Frequency: 5750 MHz;Duty Cycle: 1:1 Medium: HSL5G_0822 Medium parameters used: f = 5750 MHz; σ = 5.153 S/m; εr = 35.339; ρ = 1000 kg/m3 Ambient Temperature:23.4℃; Liquid Temperature:22.7℃ DASY5 Configuration: - Probe: EX3DV4 - SN3985; ConvF(5.02, 5.02, 5.02) @ 5750 MHz; Calibrated: 05/16/2022 - Sensor-Surface: 1.
FCC SAR Test Report Appendix B. SAR Plots of SAR Measurement The SAR plots for highest measured SAR in each exposure configuration, wireless mode and frequency band combination, and measured SAR > 1.5 W/kg are shown as follows. Report Format Version 5.0.0 Report No. : PSU-NQN2208230209SA02 Issued Date : Sep.
Test Laboratory: ritt 7 Layers SAR/HAC Testing Lab Date: 08/19/2022 P01 WLAN2.4G_802.11b_Rear Face_0cm_Ch1 Communication System: 802.11 b; Frequency: 2412 MHz;Duty Cycle: 1:1.02 Medium: HSL2450_0819 Medium parameters used: f = 2412 MHz; σ = 1.79 S/m; εr = 39.441; ρ = 1000 kg/m3 Ambient Temperature:23.3℃; Liquid Temperature:22.5℃ DASY5 Configuration: - Probe: EX3DV4 - SN3985; ConvF(7.68, 7.68, 7.68) @ 2412 MHz; Calibrated: 05/16/2022 - Sensor-Surface: 1.
Test Laboratory: ritt 7 Layers SAR/HAC Testing Lab Date: 08/20/2022 P02 WLAN5G_802.11a_Top Side_1cm_Ch52 Communication System: 802.11a; Frequency: 5260 MHz;Duty Cycle: 1:1.13 Medium: HSL5G_0820 Medium parameters used: f = 5260 MHz; σ = 4.643 S/m; εr = 36.188; ρ = 1000 kg/m3 Ambient Temperature:23.6℃; Liquid Temperature:22.6℃ DASY5 Configuration: - Probe: EX3DV4 - SN3985; ConvF(5.52, 5.52, 5.52) @ 5260 MHz; Calibrated: 05/16/2022 - Sensor-Surface: 1.
Test Laboratory: ritt 7 Layers SAR/HAC Testing Lab Date: 08/21/2022 P03 WLAN5G_802.11a_Top Side_0cm_Ch100 Communication System: 802.11a; Frequency: 5500 MHz;Duty Cycle: 1:1.13 Medium: HSL5G_0821 Medium parameters used: f = 5500 MHz; σ = 4.898 S/m; εr = 35.731; ρ = 1000 kg/m3 Ambient Temperature:23.1℃; Liquid Temperature:22.8℃ DASY5 Configuration: - Probe: EX3DV4 - SN3985; ConvF(4.97, 4.97, 4.97) @ 5500 MHz; Calibrated: 05/16/2022 - Sensor-Surface: 1.
Test Laboratory: ritt 7 Layers SAR/HAC Testing Lab Date: 08/22/2022 P04 WLAN5G_802.11a_Top Side_0cm_Ch149 Communication System: 802.11a; Frequency: 5745 MHz;Duty Cycle: 1:1.13 Medium: HSL5G_0822 Medium parameters used: f = 5745 MHz; σ = 5.149 S/m; εr = 35.351; ρ = 1000 kg/m3 Ambient Temperature:23.4℃; Liquid Temperature:22.7℃ DASY5 Configuration: - Probe: EX3DV4 - SN3985; ConvF(5.02, 5.02, 5.02) @ 5745 MHz; Calibrated: 05/16/2022 - Sensor-Surface: 1.
Test Laboratory: ritt 7 Layers SAR/HAC Testing Lab Date: 08/19/2022 P05 BT_8DPSK_Rear Face_0cm_Ch0 Communication System: Bluetooth; Frequency: 2402 MHz;Duty Cycle: 1:1.29 Medium: HSL2450_0819 Medium parameters used: f = 2402 MHz; σ = 1.783 S/m; εr = 39.459; ρ = 1000 kg/m3 Ambient Temperature:23.3℃; Liquid Temperature:22.5℃ DASY5 Configuration: - Probe: EX3DV4 - SN3985; ConvF(7.68, 7.68, 7.68) @ 2402 MHz; Calibrated: 05/16/2022 - Sensor-Surface: 1.
FCC SAR Test Report Appendix C. Calibration Certificate for Probe and Dipole The SPEAG calibration certificates are shown as follows. Report Format Version 5.0.0 Report No. : PSU-NQN2208230209SA02 Issued Date : Sep.