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Ebyte E90-DTU(400SL42) lora wireless radio modem sx1268 433mhz data transceiver lora device wireless transmitter and receiver


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[Introduction]:E90-DTU(400SL42) is a real high-quality industrial-grade wireless data transmission radio. The radio adopts LORA spread spectrum technology. Its strong anti-interference ability makes wireless communication more stable and reliable in industrial sites.... Read more

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EBYTE product technical manual and detailed parameters download:

[Introduction]:E90-DTU(400SL42) is a real high-quality industrial-grade wireless data transmission radio. The radio adopts LORA spread spectrum technology. Its strong anti-interference ability makes wireless communication more stable and reliable in industrial sites. It has a variety of transmission methods, works in the (410.125~493.125MHz) frequency band (default 433.125MHz), and the radio station provides a transparent RS232/RS485 interface. 

[Transmission power]:15W

[Communication distance]:30km

[Product size]:124*109.1*35.2mm

Model Specifications Working frequency (Hz) Transmitting power (W) Reference distance (km) Specifications Recommended Application Scenarios
E90-DTU(400SL42) 433.125M 15 30 LoRa spread spectrum anti-jamming Suitable for long-distance, interference-prone environments

Note: Sunny weather, open environment without shelter, 12V/4A power supply, 5dBi suction cup antenna, the height of the antenna from the ground is 2 meters, and the factory default parameters are used.

serial number project Specification illustrate
1 Product Size 124*109.1*35.2mm See installation dimensions for details
2 product weight 425g Weight tolerance 5g
3 Operating temperature -40℃~+85℃ Meet the needs of industrial use
4 Antenna Impedance 50Ω Standard 50Ω characteristic impedance
5 voltage range 12±1VDC It is recommended to support instantaneous current 4A
6 Communication Interface RS232/RS485 Standard DB9 socket/5.08 terminal blocks
7 baud rate Factory default 9600 Baud rate range 1200~115200
8 address code Factory default 0 A total of 65536 address codes can be set

Frequency range and number of channels

Model Specifications Default frequency (Hz) Frequency range (Hz) Channel spacing (Hz) number of channels
E90-DTU(400SL42) 433.125M 410.125~493.125M 1M 84, half duplex

Note: In the same area, multiple sets of digital radios are used for one-to-one communication at the same time. It is recommended that each set of digital radios be set with a channel interval of more than 2MHz.

Transmit power level

Model Specifications 10/15W
E90-DTU(400SL42) Software adjustable, default 15W

Air Speed Class

Model Specifications Default air rate (bps) number of grades Air rate class (kbps)
E90-DTU(400SL42) 2.4k 8 0.3, 1.2, 2.4, 4.8, 9.6, 19.2, 38.4, 62.5

Note: The higher the air speed setting, the faster the transmission rate and the shorter the transmission distance; therefore, if the speed meets the requirements of use, it is recommended that the air speed be as low as possible.

Current parameter

Model Specifications Supply voltage (V) Emission current (A) Waiting current (mA)
E90-DTU(400SL42) 12±1 2.5~3.5 45

Send and receive length and subpackage method

Model Specifications cache size Subcontracting
E90-DTU(400SL42) 1000 bytes Subpackage 32/64/128/240 bytes can be sent by command setting

Note: 1. If the single data received by the station is greater than the capacity of a single packet, the excess data will be automatically allocated to the second transmission until the transmission is completed;


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