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Control Unit
E22 Series
Ebyte E22 Series User Manual
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Chengdu
Ebyte
Electron
ic
Technology
Co.,
Ltd.
E22-900T22D
User
Manual
Copyright
©2012–201
8，Cheng
du
Ebyte
Electronic
Technol
ogy
Co.,
Ltd.
6
Main
parameter
Description
Remark
Distance
for
reference
5000m
T
est
co
ndition
：
clear
and
open
area,
antenna
gain:
5
dBi
，
antenna
height:
2.5m
，
air
data
rate:
2.4kbps
TX
length
240
Byte
Can
be
co
nfigured
via
command
as
3
2/64/128/240
bytes
per
packet
to
tr
ansmit
Buffer
1000
Byte
Modulation
LORA
Communication
interface
UART
TTL
level
Package
DIP
Connector
1*7*2.54mm
Size
21*36
mm
Antenna
SMA-K
50
ohm
impedance
6
8
Table of Contents
Default Chapter
2
Table of Contents
2
Overview
5
Introduction
5
Features
5
Application
6
Specification and Parameter
6
Limit Parameter
6
Operating Parameter
6
3 Size and Pin Definition
8
Connect to Mcu
9
5 Function Description
10
Fixed Transmission
10
Broadcasting Transmission
10
Broadcasting Address
10
Monitor Address
11
Reset
11
Aux Description
11
Indication of UART Output
11
Indication of Wireless Transmitting
11
Configuration Procedure of Module
13
Notes for AUX
13
6 Operating Mode
13
Mode Switching
13
Normal Mode （Mode 0
14
WOR Mode（Mode
14
Configuration Mode （Mode 2
15
Eep Sleep Mode Ode 3
15
7 Register Read and Write Control
15
Command Format
15
Register Description
16
Factory Default Parameter
18
8 Repeater Networking Mode
19
9 Configuration Instructions on Computer
20
10 Hardware Design
21
11 Faq
22
Communication Range Is too Short
22
Module Is Easy to Damage
22
Ber(Bit Error Rate) Is High
22
12 Production Guidance
23
Reflow Soldering Temperature
23
Reflow Soldering Curve
23
13 E22 Series
24
14 Antenna Recommendation
24
15 Package for Bulk Order
25
Revision History
25
About Us
25
4
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Ebyte E22 Series Specifications
General
Brand
Ebyte
Model
E22 Series
Category
Control Unit
Language
English
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