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e32-dtu modem
e32dtu modem
dtu modem
e32-dtu modem
E32-DTU(915L30) Ebyte 915M LoRa Long Range RS232 RS485 RF Wireless Transmitter Receiver

[Frequency]：900~931MHz

[Power]：1W

[Distance]：8km

[Interface]：RS232/RS485

[Weight]：128±5g

[Introduction]：Based on SX1276 chip from SEMTECH, E44-DTU-1W with RS232/RS485 interface, 8V~28V, operating at 900~931MHz features LoRa spread spectrum. It features LoRa long range transmission and effective FEC. Transparent transmission is available. It supports data encryption & compression.

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RF Parameter Value Remark
Working frequency band 900 MHz to 931 MHz Default value is 915MHz
Transmit power 30 dBm maximum power About 1W
Receiving sensitivity -147dbm Airspeed 2.4 KBPS
Air rate 0.3K to 19.2kbps factory Default 2.4 KBPS
Measured distance 8 km Clear and open environment, maximum power, antenna gain 5dBi, height 2m, airspeed 2.4 KBPS
Hardware Parameter Value Remark
Ssize 82 * 62 * 25 mm
Antenna type SMA-K
Communication interface RS232/RS485 Baud rate ranges from 1200 to 115200, and the factory default is 9600
Package DB-9/ Screwing cable Standard DB9 hole /3.81 terminal
Buffer 512 bytes buffer Automaticlly sub-packaging with 58 bytes per package
Electronic parameter Min. Typ. Max. Unit Condition
Power supply 10 12 28 V
Transmitting current 621 693 762 mA 30dBm（1W）
stand-by current 36 40 44 mA
Operating temperature -40 20 +85 ℃
Operating humidity 10 60 90 %
Storage temperature -40 20 +125 ℃
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