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Summary of Contents for Ebyte E90-DTU
- Page 1 E90-DTU (433C37)
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Page 2: Table Of Contents
7.2. Parameter setting instruction .........................12 8. Connection diagram in test and application ......................13 9. E90 Series ................................. 13 10. Practical application ............................... 14 11.Note ..................................15 12.Important statement ..............................15 About us ..................................16 Copyright ©2025, Chengdu Ebyte Electronic Technology Co.,Ltd. -
Page 3: Introduction
1.1. Brief Introduction E90-DTU (433C37) is a data transmission station that adopts extremely advanced ultra-narrow band modulation technology. On the original basis, power amplifier (PA) and low noise amplifier (LNA) are built in, so that the maximum transmitting power reaches 5w and the receiving sensitivity is also improved to a certain extent. -
Page 4: Operation
First step is to mount antenna, then battery, making sure the dial switch is on its right status. User gets on the power 1、 by choosing either VCC/GND or power adapter. Using USB-(RS232) converter or USB-RS(485) converter or other way to link computer and DTU. 2、 Copyright ©2025, Chengdu Ebyte Electronic Technology Co.,Ltd. -
Page 5: Installation Specification
4、 User needs to open the mode switch first before link DTU with computer if the user wants to modify parameters. Firing up E90-DTU digital radio configuration software (E90-DTU parameter configuration application) to modify related parameters. The mode switch must be reopened to achieve transmission after the configuration. - Page 6 Yellow, blinks when receiving data In-line round hole, outer diameter 5.5mm, DC power interface Power interface diameter 2.5mm DIP switch DIP switch Controlled by working mode external thread, 10mm, 50Ωcharacteristic Antenna interface SMA-K interface impedance Copyright ©2025, Chengdu Ebyte Electronic Technology Co.,Ltd.
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Page 7: Dimension
Chengdu Ebyte Electronic Technology Co,;Ltd E90-DTU (433C37) user manual 3.2. Dimension 单位：mm Copyright ©2025, Chengdu Ebyte Electronic Technology Co.,Ltd. -
Page 8: Interface Defination
Also choose the VCC and GND terminal power supply, only choose any one of the power supply is OK; E90-DTU can use 10~ 28V DC power supply, but it is recommended to use 12V or 24V DC power supply. 4.2. RS232 Interface definition The E90-DTU can be connected to the device via RS-232 using the standard DB-9 interface. -
Page 9: Technical Indicators
It is recommended to use 12V or 24V Communication interface RS232/RS485 Standard DB9 hole / 3.81 terminal block Baud rate Default 9600 from 1200 to 115200 bps Address Default 0 65536 configurable addresses Copyright ©2025, Chengdu Ebyte Electronic Technology Co.,Ltd. -
Page 10: Frequency Range And Channels
E90-DTU (433C37) Continuous transmission, no subcontracting rate ≤57600) ★ Note: 1. If the data received by the station in a single time is larger than the capacity of a single packet, the excess data Copyright ©2025, Chengdu Ebyte Electronic Technology Co.,Ltd. -
Page 11: Operating Mode
2. The data transceiver cannot receive data which is more than the buffer capacity; 6. Operating Mode E90-DTU(230C27) has four operating modes, if low power consumption is not required, normal communication is recommended to configure the data transceiver for the normal mode (mode 0);... -
Page 12: Connection Diagram When Programming
Mode 3 Command mode configuration software in the current mode ★ Note: 1.programming can only be carried on in a specific mode (see above), if fails, please confirm the work mode. Copyright ©2025, Chengdu Ebyte Electronic Technology Co.,Ltd. -
Page 13: Parameter Setting Instruction
Chengdu Ebyte Electronic Technology Co,;Ltd E90-DTU (433C37) user manual 2.If there’s no complicated programming, opening the E90-DTU digital radio configuration software (E90-DTU parameter configuration application) to modify parameters. 7.2. Parameter setting instruction Parameter Description The serial port baud rate of a wireless data station at work，1200bps～115200bps。... -
Page 14: Connection Diagram In Test And Application
9. E90 Series Frequency Distance Mode No. Interface power Function feature LoRa spread spectrum, ultra-strong through E90-DTU(170L30) RS232 RS485 170M diffraction LoRa spread spectrum, long distance, anti - E90-DTU(433L30) RS232 RS485 433M interference Copyright ©2025, Chengdu Ebyte Electronic Technology Co.,Ltd. -
Page 15: Practical Application
Monitoring, air defense alarm control, railway signal monitoring, centralized control of railway water supply, oil supply pipe network monitoring, GPS system, remote meter reading, electronic crane, automatic reporting, seismic forecasting, fire prevention, environmental monitoring and other industrial automation system, as shown below: Copyright ©2025, Chengdu Ebyte Electronic Technology Co.,Ltd. -
Page 16: Note
1. CDEBYTE reserves the right of final interpretation and modification of all the contents of this manual. 2. As the hardware and software products continuously improving, this manual may subject to change without notice, please refer to the latest version. Copyright ©2025, Chengdu Ebyte Electronic Technology Co.,Ltd. -
Page 17: About Us
About us Technical support: support@cdebyte.com Documents and RF Setting download link: https://www.cdebyte.com Thank you for using Ebyte products! Please contact us with any questions or suggestions: info@cdebyte.com ------------------------------------------------------------------------------------------------------------ Web: https://www.cdebyte.com Address: B5 Mould Industrial Park, 199# Xiqu Ave, High tech Zone, Chengdu, Sichuan, China...
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