E90-DTU(900SL33) wireless data transmission radio military-grade LoRa modulation technology

$37.95

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E90-DTU (900SL33) is a wireless data transmission radio using military-grade LoRa modulation technology. It has multiple transmission methods. The default working frequency band is 868.125MHz, and it supports 8-28V voltage input.... Read more

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Categories: DTU/RTUTags: 16km, 33dBm, 868MHz, 915MHz, RS232/RS485

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E90-DTU (900SL33) is a wireless data transmission radio using military-grade LoRa modulation technology. It has multiple transmission methods. The default working frequency band is 868.125MHz, and it supports 8-28V voltage input. The module has a software FEC forward error correction algorithm that can actively correct interfered data packets, greatly improving reliability and transmission distance. The radio station has the function of data encryption. The data transmitted by the radio station in the air is random. Through the strict encryption and decryption algorithm, the data interception is meaningless; it supports the setting of sub-packet length, and supports different real-time and data packets. E90-DTU (900SL33) provides secure, reliable, and long-range data transmission for a variety of applications. With multiple transmission methods, encrypted data packets, FEC error correction, and adjustable sub-packet length, this military-grade LoRa modulation technology radio is the perfect solution for your data transport needs.

[Carrier frequency]:850.125~930.125MHz

[Transmission power]:33dBm

[Communication distance]:16km

[Interface type]: RS232/RS485

[Product size]: 82*62*25mm

 

Model Frequency Power Distance Specification Recommend application scenarios
Hz W km
E90-DTU(900SL 33) 868.125MH z 2 16 LoRa amplification of anti-interference Suitable for distant, easily disturbed environments

★ Note: In sunny weather, no shelter in the open environment. 12V / 2A power supply, 5 dBi suction cup antenna. the antenna is 2 meters away from the ground height, using the factory default parameters.

Frequency range and channel number

Model Default Frequency Band Range Channel Spacing Description
Hz Hz Hz
E90-DTU(900SL33) 868.125MHz 850.125- 930.125MHz IM 81. Half duplex

★ Note: In the same area, multiple sets of transmission stations are used to communicate one to one at the same time. It is sueeested that the channel interval be set above 2 MHz.

Transmit power level

Model 2W 1W 500m W 250m W
E90-DTU(900SL33) Factory default

★ Note: The lower the transmission power is, the closer the transmission distance is, but the working current will not decrease in the same proportion, so it is recommended to use the maximum transmission power.

Air rate grade

Model Default Equal series Air rate grade
bps bps
E90-DTU(900SL33) 2.4k 6 2.4、4.8、9.6、19.2、38.4、62.5k

★ Note: The higher the air speed setting, the faster the transmission rate, and the closer the transmission distance; so if the rate meets the usage requirements, the lower the air speed, the better.

Current parameters

Model Emission current mA Waiting current mA
12V 24V 12V 24V
E90-DTU(900SL33) 650 330 10 6

Receiving length and subcontracting method

Model Cache size Subcontracting method
E90-DTU(900SL33) 1000 Bytes Can be sent by instruction subcontracting 32 / 64 / 128 / 240 bytes

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

2. The single received data should not be greater than the cache capacity.

 

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E90-DTU(900SL33) wireless data transmission radio military-grade LoRa modulation technology

$37.95