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Appendix A-RF Test Data for BT Part2

Productech Corporation HD77B Portable speaker 2A889-HD77B 2A889HD77B hd77b

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Dongguan Yaxu(AiT) Technology Limited /4DQPSK_LCH_Graphs

Report No.: AIT24051004FW1 FCC ID: 2A889-HD77B

Pref

Puw

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Dongguan Yaxu(AiT) Technology Limited /4DQPSK_MCH_Graphs

Report No.: AIT24051004FW1 FCC ID: 2A889-HD77B

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Puw

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Dongguan Yaxu(AiT) Technology Limited /4DQPSK_HCH_Graphs

Report No.: AIT24051004FW1 FCC ID: 2A889-HD77B

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Puw

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Dongguan Yaxu(AiT) Technology Limited 8DPSK_LCH_Graphs

Report No.: AIT24051004FW1 FCC ID: 2A889-HD77B

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Puw

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Dongguan Yaxu(AiT) Technology Limited 8DPSK_MCH_Graphs

Report No.: AIT24051004FW1 FCC ID: 2A889-HD77B

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Puw

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Dongguan Yaxu(AiT) Technology Limited 8DPSK_HCH_Graphs

Report No.: AIT24051004FW1 FCC ID: 2A889-HD77B

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Puw

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Dongguan Yaxu(AiT) Technology Limited

Report No.: AIT24051004FW1 FCC ID: 2A889-HD77B

8 Band-edge for RF Conducted Emissions

8.1 Test Result

Mode GFSK /4DQPSK 8DPSK

Channe l
LCH HCH LCH HCH LCH HCH

Carrier Frequency
[MHz] 2402
2480
2402
2480
2402
2480

Frequenc y Hopping
Off On Off On Off On Off On Off On Off On

Max Spurious Level [dBc]
-53.87 -53.06 -45.82 -47.39 -53.2 -51.4 -43.99 -50.2 -51.96 -51.94 -46.37 -54.63

Limit [dBc]
-20 -20 -20 -20 -20 -20 -20 -20 -20 -20 -20 -20

Verdict
Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass

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Dongguan Yaxu(AiT) Technology Limited
8.2 Test Graphs
Test Graphs

Report No.: AIT24051004FW1 FCC ID: 2A889-HD77B

Pref

GFSK/LCH/No Hop

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Dongguan Yaxu(AiT) Technology Limited

Report No.: AIT24051004FW1 FCC ID: 2A889-HD77B

Ref

GFSK/LCH/Hop

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Dongguan Yaxu(AiT) Technology Limited

Report No.: AIT24051004FW1 FCC ID: 2A889-HD77B

Ref

GFSK/HCH/No Hop

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Dongguan Yaxu(AiT) Technology Limited

Report No.: AIT24051004FW1 FCC ID: 2A889-HD77B

Ref.

GFSK/HCH/Hop

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Dongguan Yaxu(AiT) Technology Limited

Report No.: AIT24051004FW1 FCC ID: 2A889-HD77B

Ref

/4DQPSK/LCH/No Hop

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Dongguan Yaxu(AiT) Technology Limited

Report No.: AIT24051004FW1 FCC ID: 2A889-HD77B

Ref

/4DQPSK/LCH/Hop

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Dongguan Yaxu(AiT) Technology Limited

Report No.: AIT24051004FW1 FCC ID: 2A889-HD77B

Ref

/4DQPSK/HCH/No Hop

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Dongguan Yaxu(AiT) Technology Limited

Report No.: AIT24051004FW1 FCC ID: 2A889-HD77B

Ref

/4DQPSK/HCH/Hop

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Dongguan Yaxu(AiT) Technology Limited

Report No.: AIT24051004FW1 FCC ID: 2A889-HD77B

Ref

8DPSK/LCH/No Hop

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Dongguan Yaxu(AiT) Technology Limited

Report No.: AIT24051004FW1 FCC ID: 2A889-HD77B

Ref

8DPSK/LCH/Hop

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Dongguan Yaxu(AiT) Technology Limited

Report No.: AIT24051004FW1 FCC ID: 2A889-HD77B

Ref

8DPSK/HCH/No Hop

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Dongguan Yaxu(AiT) Technology Limited

Report No.: AIT24051004FW1 FCC ID: 2A889-HD77B

Ref

8DPSK/HCH/Hop

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Dongguan Yaxu(AiT) Technology Limited

Report No.: AIT24051004FW1 FCC ID: 2A889-HD77B

9 Restrict-band band-edge measurements 9.1 Test Result

Test Mode

Hopping Freq.

Off

2310.0

Off

2310.0

Off 2338.416

Off 2341.872

Off

2390.0

GFSK

Off

2390.0

Off

2483.5

Off

2483.5

Off 2487.544

Off 2487.376

Off

2500.0

Off

2500.0

Off

2310.0

Off

2310.0

Off 2339.952

Off 2338.128

Off

2390.0

Off /4DQPSK
Off

2390.0 2483.5

Off

2483.5

Off 2487.448

Off 2484.832

Off

2500.0

Off

2500.0

Off

2310.0

8DPSK

Off

2310.0

Off 2340.816

Off 2340.144

Power [dBm] -49.57 -56.33 -45.02 -54.55 -50.48 -57.57 -49.5 -56.55 -45.89 -55.54 -49.63 -56.49 -49.25 -56.7 -45.92 -54.28 -49.86 -56.68 -47.91 -55.96 -46.83 -55.66 -49.68 -55.89 -49.71 -57.23 -46.27 -54.71

Gain
2.98 2.98 2.98 2.98 2.98 2.98 2.98 2.98 2.98 2.98 2.98 2.98 2.98 2.98 2.98 2.98 2.98 2.98 2.98 2.98 2.98 2.98 2.98 2.98 2.98 2.98 2.98 2.98

Duty Factor
4.97
4.97
4.97
5.06
5.06
5.06
4.95
4.95
4.95
4.95
4.95
4.95
4.95
4.95

E

Limit

Detector

[dBuV/m]

[dBuV/m]

48.64 PEAK

74

46.85

AV

54

53.19 PEAK

74

48.63

AV

54

47.73 PEAK

74

45.61

AV

54

48.71 PEAK

74

46.72

AV

54

52.32 PEAK

74

47.73

AV

54

48.58 PEAK

74

46.78

AV

54

48.96 PEAK

74

46.46

AV

54

52.29 PEAK

74

48.88

AV

54

48.35 PEAK

74

46.48

AV

54

50.30 PEAK

74

47.20

AV

54

51.38 PEAK

74

47.50

AV

54

48.53 PEAK

74

47.27

AV

54

48.50 PEAK

74

45.93

AV

54

51.94 PEAK

74

48.45

AV

54

Verdict
Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass Pass

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Dongguan Yaxu(AiT) Technology Limited

Off

2390.0

-49.98

2.98

-

Off

2390.0

-56.62

2.98

4.95

Off

2483.5

-49.26

2.98

-

Off

2483.5

-55.75

2.98

4.95

Off 2484.472

-48

2.98

-

Off 2483.704

-55.69

2.98

4.95

Off

2500.0

-48.37

2.98

-

Off

2500.0

-56.55

2.98

4.95

Report No.: AIT24051004FW1 FCC ID: 2A889-HD77B

48.23 PEAK

74

Pass

46.54

AV

54

Pass

48.95 PEAK

74

Pass

47.41

AV

54

Pass

50.21 PEAK

74

Pass

47.47

AV

54

Pass

49.84 PEAK

74

Pass

46.61

AV

54

Pass

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Dongguan Yaxu(AiT) Technology Limited

Report No.: AIT24051004FW1 FCC ID: 2A889-HD77B

9.2 Test Graphs

Restrict-band band-edge measurements_Hopping Off_ GFSK_PEAK (Low Channel)

Restrict-band band-edge measurements_Hopping Off_ GFSK_Average (Low Channel)

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Dongguan Yaxu(AiT) Technology Limited

Report No.: AIT24051004FW1 FCC ID: 2A889-HD77B

Restrict-band band-edge measurements_Hopping Off_ GFSK_PEAK (High Channel)

Restrict-band band-edge measurements_Hopping Off_ GFSK_Average (High Channel)

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Dongguan Yaxu(AiT) Technology Limited

Report No.: AIT24051004FW1 FCC ID: 2A889-HD77B

Restrict-band band-edge measurements_Hopping Off_/4-DQPSK_PEAK (Low Channel)

Restrict-band band-edge measurements_Hopping Off_/4-DQPSK_Average (Low Channel)

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Dongguan Yaxu(AiT) Technology Limited

Report No.: AIT24051004FW1 FCC ID: 2A889-HD77B

Restrict-band band-edge measurements_Hopping Off_/4-DQPSK_PEAK (High Channel)

Restrict-band band-edge measurements_Hopping Off_/4-DQPSK_Average (High Channel)

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Dongguan Yaxu(AiT) Technology Limited

Report No.: AIT24051004FW1 FCC ID: 2A889-HD77B

Restrict-band band-edge measurements_Hopping Off_8DPSK_PEAK (Low Channel)

Restrict-band band-edge measurements_Hopping Off_8DPSK_Average (Low Channel)

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Dongguan Yaxu(AiT) Technology Limited

Report No.: AIT24051004FW1 FCC ID: 2A889-HD77B

Restrict-band band-edge measurements_Hopping Off_8DPSK_PEAK (High Channel)

Restrict-band band-edge measurements_Hopping Off_8DPSK_Average (High Channel)

---The End--Page 61 of 61



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