11600175-S1V4 FCC SAR Report

FCC ID: C3K1796

RF Exposure Info

Download: PDF

FCCID_3390161

Report No.: 11600175-S1V4 Issue Date: 5/10/2017

Revision History
Rev. Date Revisions Revised By
V1 4/25/2017 Initial Issue --
Updated Antenna Description
Section 6.3.1: Updated Power Targets
Section 7.1: Updated Antenna Distances
Section 11: Updated Table and notes
V2 5/3/2017 Section 12: Removed SPLSR Note. Added Estimated SAR for Coltyce Sanders
2.4GHz Rear.
Section 12.1: Updated table with correct combinations
Appendix A: Updated Antenna Distances to all edges/Antenna
Description
Appendix C: Updated Antenna Description.
Updated Sec 6.3.1 Updated Power Targets
V3 5/5/2017 Updated Sec 7.1 Antenna dimension Jose Abadilla
Sec 12.1 Updated Antenna location
Updated Sec. 1 Simultaneous Tx
V4 5/10/2017 Jose Abadilla
Updated Sec 11.1 Corrected Formula in Excel

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Report No.: 11600175-S1V4 Issue Date: 5/10/2017

Table of Contents

1. Attestation of Test Results ......................................................................................................... 5

2. Test Specification, Methods and Procedures............................................................................ 6

3. Facilities and Accreditation ........................................................................................................ 6

4. SAR Measurement System & Test Equipment .......................................................................... 7
4.1. SAR Measurement System ........................................................................................................ 7
4.2. SAR Scan Procedures ............................................................................................................... 8
4.3. Test Equipment........................................................................................................................ 10

5. Measurement Uncertainty ......................................................................................................... 10

6. Device Under Test (DUT) Information ...................................................................................... 11
6.1. DUT Description ...................................................................................................................... 11
6.2. Wireless Technologies ............................................................................................................. 11
6.3. Nominal and Maximum Output Power from Tune-up Procedure .............................................. 12
6.3.1. WLAN MIMO High Power ................................................................................................. 12
6.3.2. WLAN MIMO Reduced Power .......................................................................................... 16
6.3.3. Bluetooth .......................................................................................................................... 18

7. RF Exposure Conditions (Test Configurations) ...................................................................... 19
7.1. Standalone SAR Test Exclusion Considerations ...................................................................... 19
7.2. Required Test Configurations .................................................................................................. 20

8. Dielectric Property Measurements & System Check .............................................................. 21
8.1. Dielectric Property Measurements ........................................................................................... 21
8.2. System Check.......................................................................................................................... 23

9. Conducted Output Power Measurements................................................................................ 25
9.1. Wi-Fi 2.4GHz (DTS Band) ....................................................................................................... 25
9.2. Wi-Fi 5GHz(U-NII Band) .......................................................................................................... 25
9.3. Bluetooth ................................................................................................................................. 25

10. Measured and Reported (Scaled) SAR Results ....................................................................... 26
10.1. Wi-Fi (DTS Band) ................................................................................................................. 27
10.2. Wi-Fi (U-NII Band) ................................................................................................................ 27
10.3. Accessory Testing with keyboard ......................................................................................... 27
10.4. Standalone SAR Test Exclusion Considerations & Estimated SAR ...................................... 28

11. SAR Measurement Variability ................................................................................................... 29

12. Simultaneous Transmission SAR Analysis ............................................................................. 30

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Report No.: 11600175-S1V4 Issue Date: 5/10/2017

2. Test Specification, Methods and Procedures
The tests documented in this report were performed in accordance with FCC 47 CFR § 2.1093, IEEE STD 1528-
2013, the following FCC Published RF exposure KDB procedures:

o 248227 D01 802.11 Wi-Fi SAR v02r02
o 447498 D01 General RF Exposure Guidance v06
o 447498 D03 Supplement C Cross-Reference v01
o 616217 D04 SAR for laptop and tablets v01r02
o 865664 D01 SAR measurement 100 MHz to 6 GHz v01r04
o 865664 D02 RF Exposure Reporting v01r02

Additional Guidance Manufacturer KDB inquiry
o KDB guidance related to radio output power. The device has a radio output power back off scheme that is
based on tablet and laptop mode. Please see technical description documents for additional details.

3. Facilities and Accreditation
The test sites and measurement facilities used to collect data are located at

47173 Benicia Street 47266 Benicia Street
SAR Lab A SAR Lab 1
SAR Lab B SAR Lab 2
SAR Lab C SAR Lab 3
SAR Lab D SAR Lab 4
SAR Lab E
SAR Lab F
SAR Lab G
SAR Lab H

UL Verification Services Inc. is accredited by NVLAP, Laboratory Code 200065-0.

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Report No.: 11600175-S1V4 Issue Date: 5/10/2017

6. Device Under Test (DUT) Information
6.1. DUT Description
Device Dimension Overall (Length x Width): 201 mm x 292 mm
Overall Diagonal: 350 mm
Display Diagonal: 310 mm
Back Cover ☒ The rechargeable battery is not user accessible.
Battery Options ☒ The rechargeable battery is not user accessible.
Wi-Fi Direct Wi-Fi Direct enabled devices transfer data directly between each other
☒ Wi-Fi Direct (Wi-Fi 2.4 GHz)
☒ Wi-Fi Direct (Wi-Fi 5 GHz)
Test sample information S/N IMEI Notes

036467270353 N/A Sample #2

025261552954 N/A Keyboard

Hardware Version DV
Software Version Windows 10 with radio driver RS29

6.2. Wireless Technologies
Wireless Frequency bands Operating mode Duty Cycle used for SAR
technologies testing
Wi-Fi 2.4 GHz 802.11b 100%
802.11g
802.11n (HT20)
5 GHz 802.11a 100%
802.11n (HT20)
802.11n (HT40)
802.11ac (VHT20)
802.11ac (VHT40)
802.11ac (VHT80)
Does this device support bands 5.60 ~ 5.65 GHz? ☒ Yes ☐ No
Does this device support Band gap channel? ☒ Yes ☐ No
Bluetooth 2.4 GHz Version 4.0 LE N/A

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Report No.: 11600175-S1V4 Issue Date: 5/10/2017

6.3. Nominal and Maximum Output Power from Tune-up Procedure
KDB 447498 sec.4.1.(3) at the maximum rated output power and within the tune-up tolerance range specified for
the product, but not more than 2 dB lower than the maximum tune-up tolerance limit.

6.3.1. WLAN MIMO High Power
Band Freq. Max RF Output Pow er (dBm) SAR Test
Mode Ch #
(GHz) (MHz) Chain A Chain B (Yes/No)

1 2412 13.5 13.5
2 2417 14.5 14.5
6 2437 14.5 14.5
802.11b 10 2457 14.5 14.5 No
11 2462 13.5 13.5
12 2467 11.5 11.5
13 2472 9.5 9.5
1 2412 13.5 13.5
2 2417 15.5 15.5
6 2437 15.5 15.5
2.4 802.11g 10 2457 15.5 15.5 No
11 2462 13.5 13.5
12 2467 11.5 11.5
13 2472 9.5 9.5
1 2412 13.5 13.5
2 2417 15.5 15.5
6 2437 15.5 15.5
802.11n 10 2457 15.5 15.5 No
11 2462 13.5 13.5
12 2467 11.5 11.5
13 2472 9.5 9.5

Band Freq. Max RF Output Pow er (dBm) SAR Test
Mode Ch #
(GHz) (MHz) Chain A Chain B (Yes/No)

36 5180 11.5 11.5
40 5200 11.5 11.5
802.11a No
44 5220 11.5 11.5
48 5240 11.5 11.5
36 5180 11.5 11.5

802.11n 40 5200 11.5 11.5
No
HT20 44 5220 11.5 11.5
48 5240 11.5 11.5

802.11n 38 5190 11.5 11.5
5.2 No
HT40 46 5230 11.5 11.5
36 5180 11.5 11.5

802.11ac 40 5200 11.5 11.5
No
VHT20 44 5220 11.5 11.5
48 5240 11.5 11.5

802.11ac 38 5190 11.5 11.5
No
VHT40 46 5230 11.5 11.5

802.11ac
42 5210 8.5 8.5 No
VHT80

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Report No.: 11600175-S1V4 Issue Date: 5/10/2017
Band Freq. Max RF Output Pow er (dBm) SAR Test
Mode Ch #
(GHz) (MHz) Chain A Chain B (Yes/No)

52 5260 15.5 15.5
56 5280 15.5 15.5
802.11a No
60 5300 15.5 15.5
64 5320 15.5 15.5
52 5260 15.5 15.5

802.11n 56 5280 15.5 15.5
No
HT20 60 5300 15.5 15.5
64 5320 15.5 15.5

802.11n 54 5270 12.5 12.5
5.3 No
HT40 62 5310 11.5 11.5
52 5260 15.5 15.5

802.11ac 56 5280 15.5 15.5
No
VHT20 60 5300 15.5 15.5
64 5320 15.5 15.5

802.11ac 54 5270 12.5 12.5
No
VHT40 62 5310 11.5 11.5

802.11ac
58 5290 8.5 8.5 No
VHT80

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Report No.: 11600175-S1V4 Issue Date: 5/10/2017
Band Freq. Max RF Output Pow er (dBm) SAR Test
Mode Ch #
(GHz) (MHz) Chain A Chain B (Yes/No)

100 5500 15.5 15.5
104 5520 15.5 15.5
108 5540 15.5 15.5
112 5560 15.5 15.5
116 5580 15.5 15.5
120 5600 15.5 15.5
802.11a No
124 5620 15.5 15.5
128 5640 15.5 15.5
132 5660 15.5 15.5
136 5680 15.5 15.5
140 5700 14.5 14.5
144 5720 13.5 13.5
100 5500 15.5 15.5
104 5520 15.5 15.5
108 5540 15.5 15.5
112 5560 15.5 15.5
116 5580 15.5 15.5

802.11n 120 5600 15.5 15.5
No
HT20 124 5620 15.5 15.5
128 5640 15.5 15.5
132 5660 15.5 15.5
136 5680 15.5 15.5
140 5700 14.5 14.5
144 5720 13.5 13.5
102 5510 12.5 12.5
5.5 110 5550 14.5 14.5

802.11n 118 5590 14.5 14.5
No
HT40 126 5630 14.5 14.5
134 5670 14.5 14.5
142 5710 12.5 12.5
100 5500 15.5 15.5
104 5520 15.5 15.5
108 5540 15.5 15.5
112 5560 15.5 15.5
116 5580 15.5 15.5

802.11ac 120 5600 15.5 15.5
No
VHT20 124 5620 15.5 15.5
128 5640 15.5 15.5
132 5660 15.5 15.5
136 5680 15.5 15.5
140 5700 14.5 14.5
144 5720 13.5 13.5
102 5510 12.5 12.5
110 5550 14.5 14.5

802.11ac 118 5590 14.5 14.5
No
VHT40 126 5630 14.5 14.5
134 5670 14.5 14.5
142 5710 12.5 12.5
106 5530 8.5 8.5
802.11ac
122 5610 11.5 11.5 No
HT80
138 5690 8.5 8.5

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Report No.: 11600175-S1V4 Issue Date: 5/10/2017
Band Freq. Max RF Output Pow er (dBm) SAR Test
Mode Ch #
(GHz) (MHz) Chain A Chain B (Yes/No)

149 5745 15.5 15.5
153 5765 15.5 15.5
802.11a 157 5785 15.5 15.5 No
161 5805 15.5 15.5
165 5825 15.5 15.5
149 5745 15.5 15.5
153 5765 15.5 15.5
802.11n
157 5785 15.5 15.5 No
HT20
161 5805 15.5 15.5
165 5825 15.5 15.5
5.8 802.11n 151 5755 12.5 12.5
No
HT40 159 5795 12.5 12.5
149 5745 15.5 15.5
153 5765 15.5 15.5
802.11ac 157 5785 15.5 15.5 No
161 5805 15.5 15.5
165 5825 15.5 15.5

802.11ac 151 5755 12.5 12.5
No
HT40 159 5795 12.5 12.5

802.11ac
155 5775 8.5 8.5 No
HT80

Note(s):
1. “Yes” = considered for output power measurement and SAR testing. “No” = SAR test reduction was applied from KDB 248227 guidance,
Sec. 2.1, b), 1) when the same maximum power is specified for multiple transmission modes in a frequency band, the largest channel
bandwidth, lowest order modulation, lowest data rate and lowest order 802.11 a/g/n/ac mode is used for SAR measurement, on the highest
measured output power channel in the initial test configuration, for each frequency band.

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6.3.2. WLAN MIMO Reduced Power
Band Freq. Max RF Output Pow er (dBm) SAR Test
Mode Ch #
(GHz) (MHz) Chain A Chain B (Yes/No)

1 2412 10.5 10.5
2 2417 10.5 10.5
6 2437 10.5 10.5
802.11b 10 2457 10.5 10.5 Yes
11 2462 10.5 10.5
12 2467 10.5 10.5
13 2472 9.5 9.5
1 2412 10.5 10.5
2 2417 10.5 10.5
6 2437 10.5 10.5
2.4 802.11g 10 2457 10.5 10.5 No
11 2462 10.5 10.5
12 2467 10.5 10.5
13 2472 9.5 9.5
1 2412 10.5 10.5
2 2417 10.5 10.5
6 2437 10.5 10.5
802.11n 10 2457 10.5 10.5 No
11 2462 10.5 10.5
12 2467 10.5 10.5
13 2472 9.5 9.5

Band Freq. Max RF Output Pow er (dBm) SAR Test
Mode Ch #
(GHz) (MHz) Chain A Chain B (Yes/No)

36 5180 10.5 10.5
40 5200 10.5 10.5
802.11a No
44 5220 10.5 10.5
48 5240 10.5 10.5
36 5180 10.5 10.5

802.11n 40 5200 10.5 10.5
No
HT20 44 5220 10.5 10.5
48 5240 10.5 10.5

802.11n 38 5190 10.5 10.5
5.2 No
HT40 46 5230 10.5 10.5
36 5180 10.5 10.5

802.11ac 40 5200 10.5 10.5
No
VHT20 44 5220 10.5 10.5
48 5240 10.5 10.5

802.11ac 38 5190 10.5 10.5
No
VHT40 46 5230 10.5 10.5

802.11ac
42 5210 8.5 8.5 No
VHT80

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Report No.: 11600175-S1V4 Issue Date: 5/10/2017
Band Freq. Max RF Output Pow er (dBm) SAR Test
Mode Ch #
(GHz) (MHz) Chain A Chain B (Yes/No)

52 5260 10.5 10.5
56 5280 10.5 10.5
802.11a No
60 5300 10.5 10.5
64 5320 10.5 10.5
52 5260 10.5 10.5

802.11n 56 5280 10.5 10.5
No
HT20 60 5300 10.5 10.5
64 5320 10.5 10.5

802.11n 54 5270 10.5 10.5
5.3 Yes
HT40 62 5310 10.5 10.5
52 5260 10.5 10.5
802.11ac 56 5280 10.5 10.5
No
VHT20 60 5300 10.5 10.5
64 5320 10.5 10.5

802.11ac 54 5270 10.5 10.5
No
VHT40 62 5310 10.5 10.5

802.11ac
58 5290 8.5 8.5 No
VHT80
100 5500 10.5 10.5
104 5520 10.5 10.5
108 5540 10.5 10.5
112 5560 10.5 10.5
116 5580 10.5 10.5
120 5600 10.5 10.5
802.11a No
124 5620 10.5 10.5
128 5640 10.5 10.5
132 5660 10.5 10.5
136 5680 10.5 10.5
140 5700 10.5 10.5
144 5720 10.5 10.5
100 5500 10.5 10.5
104 5520 10.5 10.5
108 5540 10.5 10.5
5.5
112 5560 10.5 10.5
116 5580 10.5 10.5

802.11n 120 5600 10.5 10.5
No
HT20 124 5620 10.5 10.5
128 5640 10.5 10.5
132 5660 10.5 10.5
136 5680 10.5 10.5
140 5700 10.5 10.5
144 5720 10.5 10.5
102 5510 10.5 10.5
110 5550 10.5 10.5

802.11n 118 5590 10.5 10.5
No
HT40 126 5630 10.5 10.5
134 5670 10.5 10.5
142 5710 10.5 10.5

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Report No.: 11600175-S1V4 Issue Date: 5/10/2017
Band Freq. Max RF Output Pow er (dBm) SAR Test
Mode Ch #
(GHz) (MHz) Chain A Chain B (Yes/No)

100 5500 10.5 10.5
104 5520 10.5 10.5
108 5540 10.5 10.5
112 5560 10.5 10.5
116 5580 10.5 10.5

802.11ac 120 5600 10.5 10.5
No
VHT20 124 5620 10.5 10.5
128 5640 10.5 10.5
132 5660 10.5 10.5
136 5680 10.5 10.5
5.5 140 5700 10.5 10.5
144 5720 10.5 10.5
102 5510 10.5 10.5
110 5550 10.5 10.5

802.11ac 118 5590 10.5 10.5
No
VHT40 126 5630 10.5 10.5
134 5670 10.5 10.5
142 5710 10.5 10.5
106 5530 8.5 8.5
802.11ac
122 5610 10.5 10.5 Yes
HT80
138 5690 8.5 8.5
149 5745 11.5 11.5
153 5765 11.5 11.5
802.11a 157 5785 11.5 11.5 No
161 5805 11.5 11.5
165 5825 11.5 11.5
149 5745 11.5 11.5
153 5765 11.5 11.5
802.11n
157 5785 11.5 11.5 No
HT20
161 5805 11.5 11.5
165 5825 11.5 11.5
5.8 802.11n 151 5755 11.5 11.5
Yes
HT40 159 5795 11.5 11.5
149 5745 11.5 11.5
153 5765 11.5 11.5
802.11ac 157 5785 11.5 11.5 No
161 5805 11.5 11.5
165 5825 11.5 11.5

802.11ac 151 5755 11.5 11.5
No
HT40 159 5795 11.5 11.5

802.11ac
155 5775 10.5 10.5 No
HT80

Note(s):
1. “Yes” = considered for output power measurement and SAR testing. “No” = SAR test reduction was applied from KDB 248227 guidance,
Sec. 2.1, b), 1) when the same maximum power is specified for multiple transmission modes in a frequency band, the largest channel
bandwidth, lowest order modulation, lowest data rate and lowest order 802.11 a/g/n/ac mode is used for SAR measurement, on the highest
measured output power channel in the initial test configuration, for each frequency band.

6.3.3. Bluetooth
Max. RF Output
RF Air interface Mode
Pow er (dBm)
Bluetooth 4.0
Bluetooth LE 4.0

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Report No.: 11600175-S1V4 Issue Date: 5/10/2017

7. RF Exposure Conditions (Test Configurations)
Refer to Appendix A for the specific details of the antenna-to-antenna and antenna-to-edge(s) distances.
7.1. Standalone SAR Test Exclusion Considerations
Since the Dedicated Host Approach is applied, the standalone SAR test exclusion procedure in KDB 447498 §
4.3.1 is applied in conjunction with KDB 616217 § 4.3 to determine the minimum test separation distance:
o When the separation distance from the antenna to an adjacent edge is ≤ 5 mm, a distance of 5 mm is
applied to determine SAR test exclusion.
o When the separation distance from the antenna to an adjacent edge is > 5 mm, the actual antenna-to-edge
separation distance is applied to determine SAR test exclusion.

SAR Test Exclusion Calculations for WLAN
Antennas < 50mm to adjacent edges Reduced Power
Tx Frequency Output Pow er Separation Distances (m m ) Calculated Threshold Value
Interface (MHz) dBm mW Rear Edge 1 Edge 2 Edge 3 Edge 4 Front Rear Edge 1 Edge 2 Edge 3 Edge 4 Front

Wi-Fi Chain B
2.2 3.5
Wi-Fi 2.4 GHz 2462 10.50 11 7.6 1.6 171.93 190.76 77.15 > 50 mm > 50 mm > 50 mm
-EXEM P T- -M EA SURE-
3.1 5
Wi-Fi 5.2 GHz 5240 10.50 11 7.6 1.6 171.93 190.76 77.15 > 50 mm > 50 mm > 50 mm
-M EA SURE- -M EA SURE-
3.2 5.1
Wi-Fi 5.3 GHz 5320 10.50 11 7.6 1.6 171.93 190.76 77.15 > 50 mm > 50 mm > 50 mm
-M EA SURE- -M EA SURE-
3.3 5.3
Wi-Fi 5.5 GHz 5700 10.50 11 7.6 1.6 171.93 190.76 77.15 > 50 mm > 50 mm > 50 mm
-M EA SURE- -M EA SURE-
4.2 6.8
Wi-Fi 5.8 GHz 5825 11.50 14 7.6 1.6 171.93 190.76 77.15 > 50 mm > 50 mm > 50 mm
-M EA SURE- -M EA SURE-
0.6 0.9
Bluetooth 2480 4.00 3 7.6 1.6 171.93 190.76 77.15 > 50 mm > 50 mm > 50 mm
-EXEM P T- -EXEM P T-

Wi-Fi Chain A
2.2 3.5
Wi-Fi 2.4 GHz 2462 10.50 11 7.6 1.6 65.13 190.76 182.27 > 50 mm > 50 mm > 50 mm
-EXEM P T- -M EA SURE-
3.1 5
Wi-Fi 5.2 GHz 5240 10.50 11 7.6 1.6 65.13 190.76 182.27 > 50 mm > 50 mm > 50 mm
-M EA SURE- -M EA SURE-
3.2 5.1
Wi-Fi 5.3 GHz 5320 10.50 11 7.6 1.6 65.13 190.76 182.27 > 50 mm > 50 mm > 50 mm
-M EA SURE- -M EA SURE-
3.3 5.3
Wi-Fi 5.5 GHz 5700 10.50 11 7.6 1.6 65.13 190.76 182.27 > 50 mm > 50 mm > 50 mm
-M EA SURE- -M EA SURE-
4.2 6.8
Wi-Fi 5.8 GHz 5825 11.50 14 7.6 1.6 65.13 190.76 182.27 > 50 mm > 50 mm > 50 mm
-M EA SURE- -M EA SURE-

Note(s):
According to KDB 447498, if the calculated threshold value is >3 then SAR testing is required.

Antennas > 50mm to adjacent edges for Reduced Power
Tx Frequency Output Pow er Separation Distances (m m ) Calculated Threshold Value
Interface (MHz) dBm mW Rear Edge 1 Edge 2 Edge 3 Edge 4 Front Rear Edge 1 Edge 2 Edge 3 Edge 4 Front

Wi-Fi Chain B
1314.9 mW 1503.2 mW 367.1mW
Wi-Fi 2.4 GHz 2462 10.50 11 7.6 1.6 171.93 190.76 77.15 < 50 mm < 50 mm
-EXEM P T- -EXEM P T- -EXEM P T-
1284.8 mW 1473.1mW 337 mW
Wi-Fi 5.2 GHz 5240 10.50 11 7.6 1.6 171.93 190.76 77.15 < 50 mm < 50 mm
-EXEM P T- -EXEM P T- -EXEM P T-
1284.3 mW 1472.6 mW 336.5 mW
Wi-Fi 5.3 GHz 5320 10.50 11 7.6 1.6 171.93 190.76 77.15 < 50 mm < 50 mm
-EXEM P T- -EXEM P T- -EXEM P T-
1282.1mW 1470.4 mW 334.3 mW
Wi-Fi 5.5 GHz 5700 10.50 11 7.6 1.6 171.93 190.76 77.15 < 50 mm < 50 mm
-EXEM P T- -EXEM P T- -EXEM P T-
1281.5 mW 1469.8 mW 333.7 mW
Wi-Fi 5.8 GHz 5825 11.50 14 7.6 1.6 171.93 190.76 77.15 < 50 mm < 50 mm
-EXEM P T- -EXEM P T- -EXEM P T-
1314.6 mW 1502.9 mW 366.8 mW
Bluetooth 2480 4.00 3 7.6 1.6 171.93 190.76 77.15 < 50 mm < 50 mm
-EXEM P T- -EXEM P T- -EXEM P T-

Wi-Fi Chain A
246.9 mW 1503.2 mW 1418.3 mW
Wi-Fi 2.4 GHz 2462 10.50 11 7.6 1.6 65.13 190.76 182.27 < 50 mm < 50 mm
-EXEM P T- -EXEM P T- -EXEM P T-
216.8 mW 1473.1mW 1388.2 mW
Wi-Fi 5.2 GHz 5240 10.50 11 7.6 1.6 65.13 190.76 182.27 < 50 mm < 50 mm
-EXEM P T- -EXEM P T- -EXEM P T-
216.3 mW 1472.6 mW 1387.7 mW
Wi-Fi 5.3 GHz 5320 10.50 11 7.6 1.6 65.13 190.76 182.27 < 50 mm < 50 mm
-EXEM P T- -EXEM P T- -EXEM P T-
214.1mW 1470.4 mW 1385.5 mW
Wi-Fi 5.5 GHz 5700 10.50 11 7.6 1.6 65.13 190.76 182.27 < 50 mm < 50 mm
-EXEM P T- -EXEM P T- -EXEM P T-
213.5 mW 1469.8 mW 1384.9 mW
Wi-Fi 5.8 GHz 5825 11.50 14 7.6 1.6 65.13 190.76 182.27 < 50 mm < 50 mm
-EXEM P T- -EXEM P T- -EXEM P T-

Note(s):
1. According to KDB 447498 if the calculated Power threshold is less than the output power then SAR testing is required.
2. As the DUT only operates at full power in laptop mode
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7.2. Required Test Configurations
The table below identifies the standalone test configurations required for this device according to the findings in
Section 7.1:
Edge 1 Edge 2 Edge 3 Edge 4
Test Configurations Rear
(To p Edge) (Right Edge ) (B o tto m Edge) (Left Edge)

Wi-Fi 2.4 GHz MIMO Max Pow er No No No No No
Wi-Fi 5 GHz MIMO Max Pow er No No No No No
Wi-Fi 2.4 GHz MIMO Reduced Pow er No Yes No No No
Wi-Fi 5 GHz MIMO Reduced Pow er Yes Yes No No No
Bluetooth No No No No No

Note(s):
Yes = Testing is required.
No = Testing is not required.
Max power is only enabled on Laptop Mode (antennas are located on the top edge of Edge 1) so therefore, testing is not required.

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8. Dielectric Property Measurements & System Check
8.1. Dielectric Property Measurements
The temperature of the tissue-equivalent medium used during measurement must also be within 18C to 25C and
within ± 2C of the temperature when the tissue parameters are characterized.
The dielectric parameters must be measured before the tissue-equivalent medium is used in a series of SAR
measurements. The parameters should be re-measured after each 3 – 4 days of use; or earlier if the dielectric
parameters can become out of tolerance; for example, when the parameters are marginal at the beginning of the
measurement series.
Tissue dielectric parameters were measured at the low, middle and high frequency of each operating frequency
range of the test device.
The dielectric constant (εr) and conductivity (σ) of typical tissue-equivalent media recipes are expected to
be within ± 5% of the required target values; but for SAR measurement systems that have implemented the SAR
error compensation algorithms documented in IEEE Std 1528-2013, to automatically compensate the measured
SAR results for deviations between the measured and required tissue dielectric parameters, the tolerance for εr and
σ may be relaxed to ± 10%. This is limited to frequencies ≤ 3 GHz.

Tissue Dielectric Parameters
FCC KDB 865664 D01 SAR Measurement 100 MHz to 6 GHz
Head Body
Target Frequency (MHz)
er s (S/m) er s (S/m)
150 52.3 0.76 61.9 0.80
300 45.3 0.87 58.2 0.92
450 43.5 0.87 56.7 0.94
835 41.5 0.90 55.2 0.97
900 41.5 0.97 55.0 1.05
915 41.5 0.98 55.0 1.06
1450 40.5 1.20 54.0 1.30
1610 40.3 1.29 53.8 1.40
1800 – 2000 40.0 1.40 53.3 1.52
2450 39.2 1.80 52.7 1.95
3000 38.5 2.40 52.0 2.73
5000 36.2 4.45 49.3 5.07
5100 36.1 4.55 49.1 5.18
5200 36.0 4.66 49.0 5.30
5300 35.9 4.76 48.9 5.42
5400 35.8 4.86 48.7 5.53
5500 35.6 4.96 48.6 5.65
5600 35.5 5.07 48.5 5.77
5700 35.4 5.17 48.3 5.88
5800 35.3 5.27 48.2 6.00

IEEE Std 1528-2013
Refer to Table 3 within the IEEE Std 1528-2013

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Dielectric Property Measurements Results:
Relative Permittivity (єr) Conductivity (σ)
SAR Band Tissue Frequency
Date Delta Delta
Lab (MHz) Type (MHz) Measured Target Measured Target
(%) (%)

5200 47.65 49.02 -2.79 5.24 5.29 -1.11
B 3/6/2017 5200 Body 5150 47.75 49.09 -2.72 5.16 5.24 -1.50
5350 47.39 48.82 -2.92 5.43 5.47 -0.78
5600 46.94 48.48 -3.17 5.76 5.76 -0.10
B 3/6/2017 5600 Body 5500 47.12 48.61 -3.07 5.63 5.64 -0.31
5725 46.78 48.31 -3.16 5.94 5.91 0.56
5800 46.60 48.20 -3.32 6.04 6.00 0.65
B 3/6/2017 5800 Body 5700 46.76 48.34 -3.27 5.89 5.88 0.28
5850 46.51 48.20 -3.51 6.09 6.00 1.55
2450 50.59 52.70 -4.00 2.04 1.95 4.41
B 3/8/2017 2450 Body 2400 50.71 52.77 -3.91 1.98 1.90 4.27
2480 50.52 52.66 -4.07 2.07 1.99 4.06
5200 47.65 49.02 -2.79 5.15 5.29 -2.83
B 3/9/2017 5200 Body 5150 47.80 49.09 -2.62 5.10 5.24 -2.64
5350 47.39 48.82 -2.92 5.35 5.47 -2.26
5600 47.00 48.48 -3.05 5.65 5.76 -1.93
B 3/9/2017 5600 Body 5500 47.23 48.61 -2.85 5.56 5.64 -1.53
5725 46.77 48.31 -3.18 5.82 5.91 -1.47
5800 47.04 48.20 -2.41 5.96 6.00 -0.62
B 3/9/2017 5800 Body 5700 47.03 48.34 -2.71 5.81 5.88 -1.10
5850 46.52 48.20 -3.49 5.97 6.00 -0.58

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9. Conducted Output Power Measurements
9.1. Wi-Fi 2.4GHz (DTS Band)
MIMO Measured Results for Reduced Power
Band Freq. Avg Pwr (dBm) Max Output
Mode Data Rate Ch #
(GHz) (MHz) Chain A Chain B Power (dBm)
1 2412 9.7 9.9
2.4 802.11b 1 Mbps 6 2437 9.6 9.9 10.5
11 2462 9.7 10.0

Note(s):
1. The maximum output power specified for production units are determined for all applicable 802.11 transmission modes in each standalone
and aggregated frequency band. Maximum output power is measured for the highest maximum output power configuration(s) in each
frequency band according to the default power measurement procedures.

9.2. Wi-Fi 5GHz(U-NII Band)
MIMO Measured Results for Reduced Power
Band Freq. Avg Pwr (dBm) Max Output
Mode Data Rate Ch #
(GHz) (MHz) Chain A Chain B Power (dBm)
5.3 802.11n 54 5270 9.9 9.9
13.5 Mbps 10.5
(U-NII 2a) (HT40) 62 5310 9.8 9.7
106 5530 7.9 7.9 8.5
5.5 802.11ac
29.3Mbps 122 5610 9.9 9.8 10.5
(U-NII 2C) (VHT80)
138 5690 8.0 8.0 8.5
5.8 802.11n 151 5755 10.0 9.9
13.5 Mbps 11.5
(U-NII 3C) (HT40) 159 5795 9.9 9.9

Note(s):
1. The maximum output power specified for production units are determined for all applicable 802.11 transmission modes in each standalone
and aggregated frequency band. Maximum output power is measured for the highest maximum output power configuration(s) in each
frequency band according to the default power measurement procedures.

9.3. Bluetooth
Maximum tune-up tolerance limit is 4 dBm. This power level qualifies for exclusion of SAR testing. Refer to §10.4
for Standalone SAR Test Exclusion Considerations & Estimated SAR

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10. Measured and Reported (Scaled) SAR Results
SAR Test Reduction criteria are as follows:

KDB 447498 D01 General RF Exposure Guidance:
Testing of other required channels within the operating mode of a frequency band is not required when the reported 1-g or 10-g
SAR for the mid-band or highest output power channel is:
 ≤ 0.8 W/kg or 2.0 W/kg, for 1-g or 10-g respectively, when the transmission band is ≤ 100 MHz
 ≤ 0.6 W/kg or 1.5 W/kg, for 1-g or 10-g respectively, when the transmission band is between 100 MHz and 200 MHz
 ≤ 0.4 W/kg or 1.0 W/kg, for 1-g or 10-g respectively, when the transmission band is ≥ 200 MHz

KDB 248227 D01 SAR meas for 802.11:
SAR test reduction for 802.11 Wi-Fi transmission mode configurations are considered separately for DSSS and OFDM. An initial
test position is determined to reduce the number of tests required for certain exposure configurations with multiple test positions.
An initial test configuration is determined for each frequency band and aggregated band according to maximum output power,
channel bandwidth, wireless mode configurations and other operating parameters to streamline the measurement requirements.
For 2.4 GHz DSSS, either the initial test position or DSSS procedure is applied to reduce the number of SAR tests; these are
mutually exclusive. For OFDM, an initial test position is only applicable to next to the ear, UMPC mini-tablet and hotspot mode
configurations, which is tested using the initial test configuration to facilitate test reduction. For other exposure conditions with a
fixed test position, SAR test reduction is determined using only the initial test configuration.
The multiple test positions require SAR measurements in head, hotspot mode or UMPC mini-tablet configurations may be
reduced according to the highest reported SAR determined using the initial test position(s) by applying the DSSS or OFDM SAR
measurement procedures in the required wireless mode test configuration(s). The initial test position(s) is measured using the
highest measured maximum output power channel in the required wireless mode test configuration(s). When the reported SAR
for the initial test position is:

 ≤ 0.4 W/kg, further SAR measurement is not required for the other test positions in that exposure configuration and
wireless mode combination within the frequency band or aggregated band. DSSS and OFDM configurations are
considered separately according to the required SAR procedures.
 > 0.4 W/kg, SAR is repeated using the same wireless mode test configuration tested in the initial test position to
measure the subsequent next closet/smallest test separation distance and maximum coupling test position, on the
highest maximum output power channel, until the reported SAR is ≤ 0.8 W/kg or all required test positions are tested.
o For subsequent test positions with equivalent test separation distance or when exposure is dominated by coupling
conditions, the position for maximum coupling condition should be tested.
o When it is unclear, all equivalent conditions must be tested.
 For all positions/configurations tested using the initial test position and subsequent test positions, when the reported
SAR is > 0.8 W/kg, measure the SAR for these positions/configurations on the subsequent next highest measured
output power channel(s) until the reported SAR is ≤ 1.2 W/kg or all required test channels are considered.
o The additional power measurements required for this step should be limited to those necessary for identifying
subsequent highest output power channels to apply the test reduction.
 When the specified maximum output power is the same for both UNII 1 and UNII 2A, begin SAR measurements in UNII
2A with the channel with the highest measured output power. If the reported SAR for UNII 2A is ≤ 1.2 W/kg, SAR is not
required for UNII 1; otherwise treat the remaining bands separately and test them independently for SAR.
 When the specified maximum output power is different between UNII 1 and UNII 2A, begin SAR with the band that has
the higher specified maximum output. If the highest reported SAR for the band with the highest specified power is ≤
1.2 W/kg, testing for the band with the lower specified output power is not required; otherwise test the remaining bands
independently for SAR.

To determine the initial test position, Area Scans were performed to determine the position with the Maximum Value of SAR
(measured). The position that produced the highest Maximum Value of SAR is considered the worst case position; thus used as
the initial test position.

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10.1. Wi-Fi (DTS Band)
Power (dBm) 1-g SAR (W/kg)
Dist. Test Freq. Chain A Chain B Chain A Chain B Plot
Band Mode Antenna Ch #.
(mm) Position (MHz) Tune-up Tune-up No.
Meas. Meas. Meas. Scaled Meas. Scaled
limit limit
1 2412.0 10.5 9.7 10.5 9.9 0.789 0.949 0.709 0.814
Edge 1
2.4GHz 802.11b 0 MIMO 6 2437.0 10.5 9.6 10.5 9.9 0.846 1.041 0.842 0.967
Slant
11 2462.0 10.5 9.7 10.5 10.0 0.911 1.095 1.040 1.167 1

10.2. Wi-Fi (U-NII Band)
Power (dBm) 1-g SAR (W/kg)
Dist. Test Freq. Chain A Chain B Chain A Chain B Plot
Band Mode Antenna Ch #.
(mm) Position (MHz) Tune-up Tune-up No.
Meas. Meas. Meas. Scaled Meas. Scaled
limit limit
Rear 54 5270.0 10.5 9.9 10.5 9.9 0.116 0.133 0.123 0.141
5.3 GHz 802.11n
0 MIMO Edge 1 54 5270.0 10.5 9.9 10.5 9.9 1.040 1.194 0.942 1.082 2
U-NII 2A HT40
Slant 62 5310.0 10.5 9.8 10.5 9.7 0.989 1.162 0.879 1.057
Power (dBm) 1-g SAR (W/kg)
Dist. Test Freq. Chain A Chain B Chain A Chain B Plot
Band Mode Antenna Ch #.
(mm) Position (MHz) Tune-up Tune-up No.
Meas. Meas. Meas. Scaled Meas. Scaled
limit limit
Rear 122 5610.0 10.5 9.9 10.5 9.8 0.166 0.191 0.202 0.237
5.5 GHz 802.11ac 106 5530.0 8.5 7.9 8.5 7.9 0.598 0.687 0.593 0.681
0 MIMO Edge 1
U-NII 2C HT80 122 5610.0 10.5 9.9 10.5 9.8 0.895 1.028 0.947 1.113 3
Slant
138 5690.0 8.5 8.0 8.5 8.0 0.597 0.670 0.548 0.615
Power (dBm) 1-g SAR (W/kg)
Dist. Test Freq. Chain A Chain B Chain A Chain B Plot
Band Mode Antenna Ch #.
(mm) Position (MHz) Tune-up Tune-up No.
Meas. Meas. Meas. Scaled Meas. Scaled
limit limit
Rear 151 5755.0 11.5 10.0 11.5 9.9 0.140 0.198 0.178 0.257
5.8 GHz 802.11n
0 MIMO Edge 1 151 5755.0 11.5 10.0 11.5 9.9 0.732 1.034 0.713 1.031
U-NII 3 HT40
Slant 159 5795.0 11.5 9.9 11.5 9.9 0.801 1.158 0.721 1.042 4

10.3. Accessory Testing with keyboard
Power (dBm) 1-g SAR (W/kg)
Dist. Test Freq. Chain A Chain B Chain A Chain B Plot
Band Mode Antenna Ch #.
(mm) Position (MHz) Tune-up Tune-up No.
Meas. Meas. Meas. Scaled Meas. Scaled
limit limit
Rear 11 2462.0 10.5 9.7 10.5 10.0 0.041 0.049 0.051 0.057
802.11b
2.4GHz 0 MIMO Edge 1
1 Mbps 11 2462.0 10.5 9.7 10.5 10.0 0.958 1.152 0.902 1.012
Slant
Power (dBm) 1-g SAR (W/kg)
Dist. Test Freq. Chain A Chain B Chain A Chain B Plot
Band Mode Antenna Ch #.
(mm) Position (MHz) Tune-up Tune-up No.
Meas. Meas. Meas. Scaled Meas. Scaled
limit limit

Rear 54 5270.0 10.5 9.9 10.5 9.9 0.033 0.046 0.040 0.038
5.3 GHz 802.11n
0 MIMO
U-NII 2A HT40 Edge 1
54 5270.0 10.5 9.9 10.5 9.9 0.865 1.071 0.933 0.192
Slant

Note(s):
1. Accessory test was performed to demonstrate SAR compliance with the keyboard folded against the rear of the DUT.

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10.4. Standalone SAR Test Exclusion Considerations & Estimated SAR
The 1-g and 10-g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation distances
≤ 50 mm are determined by:
[(max. power of channel, including tune-up tolerance, mW) / (min. test separation distance, mm)]·[√f(GHz)] ≤ 3.0, for 1-g SAR
and ≤ 7.5 for 10-g extremity SAR, where
 f(GHz) is the RF channel transmit frequency in GHz
 Power and distance are rounded to the nearest mW and mm before calculation
 The result is rounded to one decimal place for comparison
The test exclusions are applicable only when the minimum test separation distance is ≤ 50 mm and for
transmission frequencies between 100 MHz and 6 GHz. When the minimum test separation distance is < 5 mm, a
distance of 5 mm is applied to determine SAR test exclusion.

When the standalone SAR test exclusion is applied to an antenna that transmits simultaneously with other
antennas, the standalone SAR must be estimated according to following to determine simultaneous transmission
SAR test exclusion:
 (max. power of channel, including tune-up tolerance, mW) / (min. test separation distance, mm)]·[√f(GHz)/x] W/kg for test
separation distances ≤ 50 mm;
where x = 7.5 for 1-g SAR, and x = 18.75 for 10-g SAR.
 0.4 W/kg for 1-g SAR and 1.0 W/kg for 10-g SAR, when the test separation distances is > 50 mm.

Max. tune-up tolerance Min. test SAR test Estimated
RF Air RF Exposure Frequency Pow er separation exclusion 1-g SAR
interface Conditions (GHz)
(dBm) (mW) distance (mm) Result* (W/kg)
Bluetooth Body-w orn 2.480 4.0 3 5 0.9 0.126

Conclusion:
*: The computed value is ≤ 3; therefore, this qualifies for Standalone SAR test exclusion.

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11. SAR Measurement Variability
In accordance with published RF Exposure KDB 865664 D01 SAR measurement 100 MHz to 6 GHz. These
additional measurements are repeated after the completion of all measurements requiring the same head or body
tissue-equivalent medium in a frequency band. The test device should be returned to ambient conditions (normal
room temperature) with the battery fully charged before it is re-mounted on the device holder for the repeated
measurement(s) to minimize any unexpected variations in the repeated results.

1) Repeated measurement is not required when the original highest measured SAR is <0.8 or 2 W/kg (1-g or 10-g
respectively); steps 2) through 4) do not apply.
2) When the original highest measured SAR is ≥ 0.8 or 2 W/kg (1-g or 10-g respectively), repeat that
measurement once.
3) Perform a second repeated measurement only if the ratio of largest to smallest SAR for the original and first
repeated measurements is > 1.20 or when the original or repeated measurement is ≥ 1.45 or 3.6 W/kg (~ 10%
from the 1-g or 10-g respective SAR limit).
4) Perform a third repeated measurement only if the original, first, or second repeated measurement is ≥ 1.5 or
3.75 W/kg (1-g or 10-g respectively) and the ratio of largest to smallest SAR for the original, first and second
repeated measurements is > 1.20.

First
Frequency Repeated Highest Repeated
Band Air Interface RF Exposure Conditions Test Position SAR Measured Measured Largest to
(MHz) (Yes/No) SAR (W/kg) SAR Smallest
(W/kg) SAR Ratio
2400 Wi-Fi 802.11b Standalone Edge 1 Slant Yes 1.040 1.020 1.02
5300 Wi-Fi 802.11n Standalone Edge 1 Slant Yes 1.040 1.03 1.01
5500 Wi-Fi 802.11ac Standalone Edge 1 Slant Yes 0.947 0.895 1.06
5800 Wi-Fi 802.11n Standalone Edge 1 Slant Yes 0.801 0.766 1.05

Note(s):
Second Repeated Measurement is not required since the ratio of the largest to smallest SAR for the original and first repeated
measurement is < 1.20.

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12. Simultaneous Transmission SAR Analysis
Simultaneous Transmission Condition
RF Exposure Condition Item Capable Transmit Configurations
1 DTS (Chain A) + DTS (Chain B)
2 U-NII (Chain A) + U-NII (Chain B)
Standalone
3 DTS (Chain A) + BT(Chain B)
4 UN-II(Chain A) + BT (Chain B)
Notes:
1. DTS Radio cannot transmit simultaneously w ith Bluetooth Radio on the same
antenna.
2. DTS Radio cannot transmit simultaneously w ith U-NII Radio.

Estimated SAR for Simultaneous Transmission SAR Analysis
Considerations for SAR estimation
1. When standalone SAR test exclusion applies, standalone SAR must also be estimated to determine
simultaneous transmission SAR test exclusion.
2. Dedicated Host Approach criteria for SAR test exclusion is likewise applied to SAR estimation, with certain
distinctions between test exclusion and SAR estimation:
o When the separation distance from the antenna to an adjacent edge is ≤ 5 mm, a distance of 5 mm is
applied for SAR estimation; this is the same between test exclusion and SAR estimation calculations.
o When the separation distance from the antenna to an adjacent edge is > 5 mm but ≤ 50 mm, the actual
antenna-to-edge separation distance is applied for SAR estimation.
o When the minimum test separation distance is > 50 mm, the estimated SAR value is 0.4 W/kg
3. Please refer to Estimated SAR Tables to see which test positions are inherently compliant as they consist
of only estimated SAR values for all applicable transmitters and consequently will always have sum of SAR
values < 1.2 W/kg. Simultaneous transmission SAR analysis was therefore not performed for these test
positions.
Estimated SAR for Simultaneous Transmission Analysis:
Tx Frequency Output Pow er Separation Distances (m m ) Estim ated 1-g SAR Value (W/kg)
Interface (MHz) dBm mW Rear Edge 1 Edge 2 Edge 3 Edge 4 Front Rear Edge 1 Edge 2 Edge 3 Edge 4 Front

Chain B

Wi-Fi 2.4GHz 2462 10.50 11 7.6 1.6 0.288

Bluetooth 2480 4.00 3 7.6 1.6 0.079 0.126

Chain A

Wi-Fi 2.4GHz 2462 10.50 11 7.6 1.6 0.288

12.1. Sum of the SAR for WLAN & BT
Standalone SAR (W/kg) ∑ 1-g SAR (W/kg)
RF
Test DTS U-NII
Exposure BT DTS + DTS U-NII + U-NII BT + DTS BT + U-NII
Position
conditions Chain A Chain B Chain A Chain B Chain B
①+② ③ +④ ①+⑤ ③+⑤
① ② ③ ④ ⑤
Rear 0.288 0.288 0.202 0.251 0.079 0.576 0.453 0.367 0.281
Standalone
Edge 1 1.095 1.167 1.194 1.113 0.126 2.262 2.307 1.221 1.320

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Document Created: 2019-10-26 07:29:44
Document Modified: 2019-10-26 07:29:44

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