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E32-DTU (868L20) Ebyte long range SX1276 LoRa 868mhz radio modem wireless data transceiver of 868M with standard RS232/RS485 connectors
E32-DTU (868L20) Ebyte long range SX1276 LoRa 868mhz radio modem wireless data transceiver of 868M with standard RS232/RS485 connectors
E32-DTU (868L20) Ebyte long range SX1276 LoRa 868mhz radio modem wireless data transceiver of 868M with standard RS232/RS485 connectors

E32-DTU (868L20) Ebyte long range SX1276 LoRa 868mhz radio modem wireless data transceiver of 868M with standard RS232/RS485 connectors

[Frequency]：862~893MHz

[Power]：100mW

[Distance]：3km

[Interface]：RS232/RS485

[Weight]：127±5g

[Introduction]： E32-DTU (868L20) is wireless data transceiver of 868M with standard RS232/RS485 connectors. They are half-duplex. TX & RX modems with LoRa technology and transparent transmission mode. Voltage supply ranges from 8V to 28V, Working frequency: 862~893MHz (Default:868MHz).

E32-DTU(868L20)

RF ParameterValueRemark
Working frequency862~893 MHzDefault: 868MHz
Transmitting power30 dBmAbout 1W
Receiving sensitivity-147 dBmAir data rate: 2.4kbps
Air data rate0.3k~9.6kbpsDefault: 2.4kbps
Test distance8000 meterIn open and clear air, with maximum power, 5dBi antenna gain, height of 2m,air data rate: 2.4kbps
Hardware ParameterValueRemark
Size82 * 62 * 25 mm
Antenna typeSMA-K
Communication interfaceRS232 / RS485Baud rate: 1200~115200, default: 9600
PackageDB-9 / ScrewingStandard DB9 Hole/3.81 connecting terminal
Buffer512 bytes bufferAutomatically sub-packaging with 58 bytes per package






Electronic parameterMin.Typ.Max.UnitCondition
Power supply101228V

Transmitting current628698760mA30dBm（1W）
stand-by current353943mA

Operating temperature-4020+85℃

Operating humidity106090%

Storage temperatur-4020+125℃



1
Pin No.NameFunctionDescription
1DB-9 female connectorRS-232 connectorStandard RS-232 connector
23.81 wiring connectorRS-485, power connectorStandard RS-485 connector and line-pressing power source connector
3PWR-LEDPower source indicatorRed, light on when power on
4TXD-LEDTX indicatorYellow, flicker when transmitting data
5RXD-LEDRX indicatorYellow, flicker when receiving data
6DC power connectorPower source connectorDrop-in round hole, 5.5mm external diameter, 2.5mm internal diameter
7Toggle switchToggle switchOperation mode control
8Antenna interfaceSMA-K connectorExternal screw and inner hole, 10mm long, 50Ω characteristic impedance


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