Ebyte E22 T30D Series - Default Chapter; Table of Contents

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Chengdu Ebyte Electronic Technology Co., Ltd. E22-xxxT30x series product user manual

Contents

Disclaimer and Copyright Notice

...................................................................................................................................4

1. Product Overview

.......................................................................................................................................................5

1.1 Product introduction

.........................................................................................................................................5

1.2 Features

.............................................................................................................................................................5

1.3 Application scenarios

....................................................................................................................................... 6

2. Specifications

............................................................................................................................................................. 6

2.1 RF parameters

...................................................................................................................................................6

2.2 Electrical parameters

........................................................................................................................................ 7

2.2.1 E22-230/400/900T30D electrical parameters

.......................................................................................7

2.2.2 E22-230/400/900T30S electrical parameters

........................................................................................7

2.3 Hardware parameters

........................................................................................................................................8

2. 3.1 E22-230/400/900T30D hardware parameters

......................................................................................8

2. 3.2 E22-230/400/900T30S hardware parameters

...................................................................................... 8

3. Mechanical dimensions and pin definitions

.............................................................................................................10

3.1 E22-230/400/900T30D mechanical dimensions and pin definitions

............................................................ 10

4. Recommended Connection Diagram

....................................................................................................................... 13

5. Function Description

................................................................................................................................................ 14

5.1 Fixed point Transmission

............................................................................................................................... 14

5.2 Broadcast transmission

...................................................................................................................................14

5.3 Broadcasting Address

.....................................................................................................................................14

5.4 Listening Address

...........................................................................................................................................15

5.5 Module Reset

..................................................................................................................................................15

5.6 Detailed explanation of AUX

.........................................................................................................................15

5.6.1 Indication of Serial port data output

................................................................................................... 15

5.6.2 Indication of Wireless transmission

.................................................................................................... 15

5.6.3 The module is being configured

..........................................................................................................16

5.6.4 Notes for AUX

.................................................................................................................................... 16

6. Working Mode

..........................................................................................................................................................17

6.1 Precautions for mode switching

.....................................................................................................................17

6.2 Normal mode（Mode 0） ............................................................................................................................. 18

6.3 WOR mode（Mode 1） ................................................................................................................................ 18

6.4 Configuration mode（Mode 2） ................................................................................................................... 18

6.5 Deep sleep mode（Mode 3） ........................................................................................................................18

7. Register Read and Write Control

............................................................................................................................. 19

7.1 Command format

............................................................................................................................................19

7.2 E22-400/900T30D, E22-400/900T30S register description

..........................................................................20

7.3 E22-230T30D, E22-230T30S register description

........................................................................................ 23

7.4 Factory default parameters

.............................................................................................................................25

8. AT command

.............................................................................................................................................................26

8.1 AT command list

.............................................................................................................................................26

8.2 AT parameter analysis

.................................................................................................................................... 28

8.3 Notes for upgrading firmware via serial port

.................................................................................................29

9. Repeater networking mode

.......................................................................................................................................29