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RS232 / RS485 interface
wireless data transceiver
high power
RS232 / RS485 interface
wireless data transceiver
high power

E90-DTU(400SL44) 25W high power wireless digital radio station 40km long distance lora modem 433mhz rf transceiver rs232 rs485

[Introduction]：E90-DTU (400SL44) is a true high-quality industrial wireless data transceiver. The transceiver uses LORA spread spectrum technology. Its strong anti-interference ability makes wireless communication more stable and reliable in industrial sites, transparent RS232 / RS485 interface.

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No.NameFunctionDescription
1PEConnect to groundConnect to ground
2GNDCrimped power input negativePower reference ground
3VCCCrimped power input positivepower input(12V/10A)
4MODMode controlFloating, general mode; ground,configuration mode
5RS485 GRS485 interface GRS485 interface G is connected tothe device GND interface(recommended)
6RS485 BRS485 interface BRS485 interface B is connected todevice B interface
7RS485 ARS485 interface ARS485 interface A is connected todevice A interface
8RS232RS232 interfaceStandard RS232 interface
9ANTSMA-K interfaceExternal thread inner hole, 10mm,characteristic impedance 50Oohm
10PWRPower indicatorRed, lit when the power is on
11TXDSerial data sending indicatorYellow, blinks when sending data
12RXDSerial data receiving indicatorYellow, blinks when receivingdata
13ERRWarning indicatorRed, the temperature exceeds100 ℃ or the antenna is notconnected or the antenna is not ingood connection. After resolving,you need to power on againbefore working