Ebyte 433L20, User Manual, Page: 2 / 18

Chengdu Ebyte Electronic Technology Co.,Ltd. E32-DTU (433L20) user manual
Copyright ©2012–2021，
Chengdu Ebyte Electronic Technology Co,;Ltd 1
Content
1.Introduction..................................................................................................................................................................2
1.1.Brief Introduction............................................................................................................................................. 2
1.2.Features.............................................................................................................................................................2
2. Operation.....................................................................................................................................................................3
3. Installation Specifications...........................................................................................................................................5
3.1.Structure............................................................................................................................................................5
3.2.Dimension.........................................................................................................................................................7
4.Interface Defination..................................................................................................................................................... 8
4.1.Power interface definition................................................................................................................................ 8
4.2.RS232 Interface definition................................................................................................................................8
4.3.RS485 Interface definition................................................................................................................................8
5. Technical indicators.................................................................................................................................................... 9
5.1.Model specifications.........................................................................................................................................9
5.2.General specification parameters..................................................................................................................... 9
5.3.Frequency range and channels........................................................................................................................10
5.4.Transmit power level...................................................................................................................................... 10
5.5.Air data rate.................................................................................................................................................... 10
5.6.Current parameters..........................................................................................................................................10
5.7.Transceiver Length and Sub-packing Mode...................................................................................................11
6. Operating mode.........................................................................................................................................................11
7. Connection diagram when programming................................................................................................................. 12
7.1.diagrammatic drawing.................................................................................................................................... 12
7.2.Parameter setting instruction.......................................................................................................................... 13
8. Connection diagram in test and application............................................................................................................. 14
9. E32-DTU series........................................................................................................................................................ 14
10.Practical application.................................................................................................................................................15
11.Note..........................................................................................................................................................................15
12.Important statement................................................................................................................................................. 16