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Antenna specifications

Shanghai Bangbang Robotics Co.,Ltd. BBR-E40-01 Electric Wheelchair 2A7ORBBR-E40-01 2A7ORBBRE4001 bbr e40 01

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Document DEVICE REPORTGetApplicationAttachment.html?id=6551051
Antenna Information
Antenna Block diagram:
Bluetooth antenna test data:
Antenna Frequency Range: 2400-2500MHz Antenna Type: PCB Antenna VSWR:  2.0 Antenna Peak Gain: Maximum 0dBi @2450MHz

Antenna Impedance :50 Antenna Length: 28.5mm Antenna Manufacturer: Shanghai Xuntong Electronic Technology Co., Ltd

Antenna Gain:

Frequency(MHz) 2450 2400 2500

Maximum Gain(dBi) 0
-0.46 -1.41

Appendix

Test Diagram & Data 1. Frequency: 2450MHz

Turn Table

SG (dBm)

Reading Level A1 (dBm)2450MHz

Substitution Level A2
(dBm)2450MHz

Cable Loss (dB)2450MHz

Antenna Gain (dBi)2450MHz

Antenna Polariza
tion

0 -10

-10.33

-3.50

2.00

-1.83

V

30 -10

-11.29

-3.50

2.00

-2.79

V

60 -10

-14.47

-3.50

2.00

-5.97

V

90 -10

-17.19

-3.50

2.00

-8.69

V

120 -10

-8.50

-3.50

2.00

0.00

V

150 -10

-9.66

-3.50

2.00

-1.16

V

180 -10

-9.42

-3.50

2.00

-0.92

V

210 -10

-8.78

-3.50

2.00

-0.28

V

240 -10

-9.91

-3.50

2.00

-1.41

V

270 -10

-9.56

-3.50

2.00

-1.06

V

300 -10

-12.22

-3.50

2.00

-3.72

V

330 -10

-12.87

-3.50

2.00

-4.37

V

360 -10

-11.64

-3.50

2.00

-3.14

V

Maximum

-8.50

0.00

Turn Table

SG (dBm)

Reading Level A1 (dBm)2450MHz

Substitution Level A2
(dBm)2450MHz

Cable Loss (dB)2450MHz

Antenna Gain (dBi)2450MHz

Antenna Polariza
tion

0

-10

30

-10

60

-10

90

-10

120 -10

150 -10

180 -10

210 -10

240 -10

270 -10

300 -10

330 -10

360 -10

Maximum

-28.01
-20.61
-26.46 -19.78 -9.69 -9.13 -9.56 -9.22 -8.99 -15.08 -22.01 -22.98 -29.07
-8.99

-3.50
-3.50
-3.50 -3.50 -3.50 -3.50 -3.50 -3.50 -3.50 -3.50 -3.50 -3.50 -3.50

2.00

-19.51

H

2.00

-12.11

H

2.00

-17.96

H

2.00

-11.28

H

2.00

-1.19

H

2.00

-0.63

H

2.00

-1.06

H

2.00

-0.72

H

2.00

-0.49

H

2.00

-6.58

H

2.00

-13.51

H

2.00

-14.48

H

2.00

-20.57

H

-0.49

Test Diagram & Data 2. Frequency: 2400MHz

Turn Table

SG (dBm)

Reading Level A1 (dBm)2400MHz

Substitution Level A2
(dBm)2400MHz

Cable Loss (dB)2400MHz

Antenna Gain (dBi)2400MHz

Antenna Polariza
tion

0

-10

30

-10

60

-10

90

-10

120 -10

150 -10

180 -10

210 -10

240 -10

270 -10

300 -10

330 -10

360 -10

Maximum

-18.17
-16.55
-15.79 -18.91 -11.04 -12.16 -11.26 -9.90 -11.03 -8.96 -11.78 -16.49 -12.98
-8.96

-3.50
-3.50
-3.50 -3.50 -3.50 -3.50 -3.50 -3.50 -3.50 -3.50 -3.50 -3.50 -3.50

2.00

-9.67

V

2.00

-8.05

V

2.00

-7.29

V

2.00

-10.41

V

2.00

-2.54

V

2.00

-3.66

V

2.00

-2.76

V

2.00

-1.40

V

2.00

-2.53

V

2.00

-0.46

V

2.00

-3.28

V

2.00

-7.99

V

2.00

-4.48

V

-0.46

Turn Table

SG (dBm)

Reading Level A1 (dBm)2400MHz

Substitution Level A2
(dBm)2400MHz

Cable Loss (dB)2400MHz

Antenna Gain (dBi)2400MHz

Antenna Polariza
tion

0

-10

30

-10

60

-10

90

-10

120 -10

150 -10

180 -10

210 -10

240 -10

270 -10

300 -10

330 -10

360 -10

Maximum

-20.61
-20.17
-23.19 -18.87 -12.88 -14.13 -15.56 -11.22 -9.99 -13.18 -17.81 -18.03 -19.01
-9.99

-3.50
-3.50
-3.50 -3.50 -3.50 -3.50 -3.50 -3.50 -3.50 -3.50 -3.50 -3.50 -3.50

2.00

-12.11

H

2.00

-11.67

H

2.00

-14.69

H

2.00

-10.37

H

2.00

-4.38

H

2.00

-5.63

H

2.00

-7.06

H

2.00

-2.72

H

2.00

-1.49

H

2.00

-4.68

H

2.00

-9.31

H

2.00

-9.53

H

2.00

-10.51

H

-1.49

Test Diagram & Data 3. Frequency: 2500MHz

Turn Table

SG (dBm)

Reading Level A1 (dBm)2500MHz

Substitution Level A2
(dBm)2500MHz

Cable Loss (dB)2500MHz

Antenna Gain (dBi)2500MHz

Antenna Polariza
tion

0

-10

30

-10

60

-10

90

-10

120 -10

150 -10

180 -10

210 -10

240 -10

270 -10

300 -10

330 -10

360 -10

Maximum

-22.78
-21.43
-20.18 -20.07 -18.18 -14.29 -16.09 -9.91 -11.03 -11.11 -11.93 -15.32 -16.17
-9.91

-3.50
-3.50
-3.50 -3.50 -3.50 -3.50 -3.50 -3.50 -3.50 -3.50 -3.50 -3.50 -3.50

2.00

-14.28

V

2.00

-12.93

V

2.00

-11.68

V

2.00

-11.57

V

2.00

-9.68

V

2.00

-5.79

V

2.00

-7.59

V

2.00

-1.41

V

2.00

-2.53

V

2.00

-2.61

V

2.00

-3.43

V

2.00

-6.82

V

2.00

-7.67

V

-1.41

Turn Table

SG (dBm)

Reading Level A1 (dBm)2500MHz

Substitution Level A2
(dBm)2500MHz

Cable Loss (dB)2500MHz

Antenna Gain (dBi)2500MHz

Antenna Polariza
tion

0

-10

30

-10

60

-10

90

-10

120 -10

150 -10

180 -10

210 -10

240 -10

270 -10

300 -10

330 -10

360 -10

Maximum

-23.26
-22.17
-22.66 -18.48 -10.37 -10.78 -11.37 -10.19 -10.32 -16.13 -15.17 -16.79 -15.29
-10.19

-3.50
-3.50
-3.50 -3.50 -3.50 -3.50 -3.50 -3.50 -3.50 -3.50 -3.50 -3.50 -3.50

2.00

-14.76

H

2.00

-13.67

H

2.00

-14.16

H

2.00

-9.98

H

2.00

-1.87

H

2.00

-2.28

H

2.00

-2.87

H

2.00

-1.69

H

2.00

-1.82

H

2.00

-7.63

H

2.00

-6.67

H

2.00

-8.29

H

2.00

-6.79

H

-1.69



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