TDK Antenna Measurement 20200130

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Antenna Specification

Roku, Inc. R1037 TC2-R1037 TC2R1037 r1037

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strictly confidential
TDK Antenna Measurement
TDK Corporation Communication Devices Business Group
Jan. 30th, 2020

Radiation Pattern (5GHz Band)
PRODUCT ORIENTATIONS
Z
Er
E E
Y

X

X-Z PLANE
315 270

0 10
dBi 0 -10 -20 -30 -40 -50

45 Y
90

270

225

135

Z0

180

Average[dBi] Maximum[dBi] Minimum[dBi]

5.150GHz -4.8 0.9 -19.8

5.500GHz -4.5 1.6 -36.2

5.850GHz -4.5 2.1 -29.5

strictly confidential

315 270

0 10
dBi 0 -10 -20 -30 -40 -50

45 90

X 90

225

135

180

Average[dBi] Maximum[dBi] Minimum[dBi]

5.150GHz -6.50 -2.61 -24.17

5.500GHz -7.09 -1.61 -27.81

5.850GHz -8.22 -2.57 -36.53

P1_initial_ELK2

X-Y PLANE
315 270

0 10 dBi
0
-10
-20
-30
-40
-50

45
Z 90

270

225

135

0X

180

Average[dBi] Maximum[dBi] Minimum[dBi]

5.150GHz -4.8 0.5 -21.8

5.500GHz -5.2 1.3 -19.4

5.850GHz -3.8 1.9 -23.1

Y-Z PLANE

315 270

0 10
dBi 0 -10 -20 -30 -40 -50

45 90

270

225

135

0Z

X

180

Average[dBi] Maximum[dBi] Minimum[dBi]

5.150GHz -3.5 2.7 -27.5

5.500GHz -3.9 2.3 -28.1

5.850GHz -3.0 3.5 -33.3

315
270 90
Y 225

0 10
0 dBi -10 -20 -30 -40 -50
180

45 90
135

Average[dBi] Maximum[dBi] Minimum[dBi]

5.150GHz -2.0 2.2 -17.5

5.500GHz -1.5 2.6 -20.6

5.850GHz -1.1 3.7 -35.4

315 270

0 10 dBi
0
-10
-20
-30
-40
-50

45 90

90 Y

225

135

180

Average[dBi] Maximum[dBi] Minimum[dBi]

5.150GHz -14.7 -9.3 -30.9

5.500GHz -12.9 -8.5 -36.3

5.850GHz -10.7 -5.6 -27.1

© TDK Corporation 2018 Communication Devices Business Group 11

Radiation Pattern (5GHz Band)
PRODUCT ORIENTATIONS
Z
Er
E E
Y

X

X-Z PLANE
315 270

0 10
dBi 0 -10 -20 -30 -40 -50

45 Y
90

270

225

135

Z0

180

Average[dBi] Maximum[dBi] Minimum[dBi]

5.150GHz -5.0 -0.5 -21.5

5.500GHz -4.0 1.0 -25.2

5.850GHz -4.3 2.1 -39.5

strictly confidential

315 270

0 10
dBi 0 -10 -20 -30 -40 -50

45 90

X 90

225

135

180

Average[dBi] Maximum[dBi] Minimum[dBi]

5.150GHz -7.80 -3.19 -21.13

5.500GHz -5.79 -0.64 -22.91

5.850GHz -4.25 0.88 -24.90

P2_initial_ELK3

X-Y PLANE
315 270

0 10 dBi
0
-10
-20
-30
-40
-50

45
Z 90

270

225

135

0X

180

Average[dBi] Maximum[dBi] Minimum[dBi]

5.150GHz -6.8 -1.7 -19.3

5.500GHz -6.0 -0.6 -30.5

5.850GHz -4.5 1.2 -31.9

Y-Z PLANE

315 270

0 10
dBi 0 -10 -20 -30 -40 -50

45 90

270

225

135

0Z

X

180

Average[dBi] Maximum[dBi] Minimum[dBi]

5.150GHz -4.0 2.7 -28.2

5.500GHz -2.9 3.5 -23.5

5.850GHz -2.4 4.5 -25.3

315
270 90
Y 225

0 10
0 dBi -10 -20 -30 -40 -50
180

45 90
135

Average[dBi] Maximum[dBi] Minimum[dBi]

5.150GHz -1.6 1.4 -15.6

5.500GHz -0.6 3.5 -22.1

5.850GHz -0.7 3.8 -24.7

315 270

0 10 dBi
0
-10
-20
-30
-40
-50

45 90

90 Y

225

135

180

Average[dBi] Maximum[dBi] Minimum[dBi]

5.150GHz -13.5 -9.3 -29.0

5.500GHz -12.1 -5.3 -50.8

5.850GHz -10.1 -4.1 -36.5

© TDK Corporation 2018 Communication Devices Business Group 23



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