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WiFi & BT combo module
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Table Of Contents
1 General Specifications
2 Features
2.1 WLAN
2.2 Bluetooth
3 System Block Diagram
4 PHY Specification
4.1 Wi-Fi Specification
4.2 BT Specification
5 Other Specifications
6 DC Characteristics
7 S11 Report
8 Module configurations
9 Pin Definition
10 Module Photos
11 Key material list
12 Package Information
13 Reference design
13.1 Power supply requirement
13.2 SDIO Interface
13.3 RF circuit
13.4 Motherboard interference avoidance
13.4.1 Interface interference
13.4.2 The main chip interferes with DDR
13.5 Recommended secondary reflux temperature curve
14 Revision History
Module
：
EWN
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8822CS
S
3A
H
Waiting for your suggestion at a
nytime.
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9
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E-
mail
：
sales
@eard
atek
.co
m
7
S11 R
epor
t
FIG
2
EWN
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8822CSS3AH
2.4G Path A
FIG
3
EWN
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8822CSS3AH
2.4G Path
B
1
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7
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9
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11
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