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Antenna specifications

Kunwei Medical Electronics Co., Ltd KD-17B Behind-The-Ear Hearing Aid 2A9S9-KD-17B 2A9S9KD17B kd 17b

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Document DEVICE REPORTGetApplicationAttachment.html?id=6307256
P/N: SURL321605T66
Features
1. Surface Mounted Devices with a small dimension of 3.6 x 1.6 x 0.5 mm3 meet future miniaturization trend. 2. Embedded and LTCC (Low Temperature Co-fired Ceramic) technology is able to future integrate with system design as well as beautifying the housing of final product. 3. High Stability in Temperature / Humidity Change
Applications
1. Bluetooth 2. Wireless LAN 3. ISM band 2.4GHz wireless applications

DimensionsUnitmm
L

w 



( Top View )
A

Number Terminal Name



INPUT



NC

( Bottom View )

Symbols Dimensions

L 3.2+/-0.2

T
( Side View )

W 1.6+/-0.2

T 0.5+/-0.1

A 0.4+/-0.1

www.surbaner.com.cn
SBR Communication has possession of proprietary information provided in this report and this proprietary information shall be kept in strict confidence and not disclosed to any person or firm without the prior written consent of SBR Communication Technology.
. Page 1

P/N: SURL321605T66

Evaluation Board and Matching Circuits

GND VIA
50Feeding Line

2.25

0.74 0.74 1.8

3.77

1.0 1.63

3.34

1.25 6.0
Clearance Area
5.0

Unit:mm

Type Matching Network

5.6nH
0.5pF
www.surbaner.com.cn
SBR Communication has possession of proprietary information provided in this report and this proprietary information shall be kept in strict confidence and not disclosed to any person or firm without the prior written consent of SBR Communication Technology.
. Page 2

P/N: SURL321605T66

Electrical Characteristics

No.

Item

1

Central Frequency

2

Band Width

3

Peak Gain

4

Return Loss

5

Polarization

6

Azimuth Beam width

7

Impedance

8

Model Name

Characteristic curve

Specifications 2500MHz
100 MHz typ.
4.08 dBi 2.0 Linear
Omni-directional 50  N/A

www.surbaner.com.cn
SBR Communication has possession of proprietary information provided in this report and this proprietary information shall be kept in strict confidence and not disclosed to any person or firm without the prior written consent of SBR Communication Technology.
. Page 3

Radiation Pattern
coordinates

P/N: SURL321605T66

Manufacture's Name:Kunwei Medical Electronics Co., Ltd
Address:Room 1402,Block B,Builiding 2,Longgang Tianan Cyber Park, Huangge Road,Longgang District Shenzhen Guangdong,CN518172

www.surbaner.com.cn
SBR Communication has possession of proprietary information provided in this report and this proprietary information shall be kept in strict confidence and not disclosed to any person or firm without the prior written consent of SBR Communication Technology.
. Page 4

Horizontal: 2400 MHz 2450 MHz 2500 MHz
Power (dBi )
Max: 5 Min: -35 Scale: 5/div

Frequency (MHz) 2400 2450 2500

Max 3.93178 3.95801 4.08056

Gain(dB) Min
-25.0815 -33.5605 -19.0318

Avg -3.48713 -2.88012 -1.79139

Vertical: 2400 MHz 2450 MHz 2500 MHz Power (dBi) Max: 0 Min: -30 Scale: 5/div

Frequency (MHz) 2400 2450 2500

Max -6.1530 -3.7054 -2.32122

Gain(dB) Min
-24.1420 -26.5836 -30.4301

Avg -13.0295 -10.6700 -9.70536



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