Ebyte E90-DTU User Manual
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Chengdu Ebyte Electronic Technology Co,;Ltd E90-DTU (433L37) user manualCopyright ©2012–2019，Chengdu Ebyte Electronic Technology Co,;Ltd 94 485_A RS-485 interface, interface A The RS-485 interface A is connected to the device interface A★ Note: The transceiver will be in poor communication when connected to multiple devices , it is recommended to beconnected to a single device, please try to use parallel 120Ω resistor between 485_A terminal and 485_B.5. Technical indicators5.1. Model specificationsModel Frequency Transmitpower Distance Specifications ApplicationHz W kmE90-DTU (433L37) 433M 5 20LoRa spreadspectrum, 20kmlong range,anti-interferenceIt is suitable for the applicationenvironment with small amount of dataand long distance★ Note: Test condition: in clear and open air without shelters, 12V /2A power supply, 5dBi gain sucker antenna over 2meters height from the ground, with the factory default parameters.NO. Model Specification Description1 Size（H*W*D） 124 * 105 * 25 mm See more at 3.2 Dimension2 Weight 240g Tolerance: 9g (5W below 4.5 g)3 Temperature -40℃～85℃ Meet industrial level4 Antenna impedance 50 Ω Standard 50 Ω characteristic impedance5 Supply voltage +10 ~ +28V DC It is recommended to use 12V or 24V6 Communication interface RS232/RS485 Standard DB9 hole / 3.81 terminal block7 Baud rate Default 9600 from 1200 to 115200 bps8 Address Default 0 65536 configurable addresses |
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