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E32-DTU(915L20) Free sample sx1276 lora gateway iot device 915mhz lora radio module rs232 rs485 wireless transceiver






[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.

RF Parameter Value Remark
Working frequency 900~931 MHz Default: 915MHz
Transmitting power 20 dBm About 100mW
Receiving sensitivity -138 dBm Air data rate: 2.4kbps
Air data rate 0.3k~9.6kbps Default: 2.4kbps
Test distance 3000 meter In open and clear air, with maximum power, 5dBi antenna gain, height of 2m,air data rate: 2.4kbps
Hardware Parameter Value Remark
Size 82 * 62 * 25 mm
Antenna type SMA-K
Communication interface RS232 / RS485 Baud rate: 1200~115200, default: 9600
Package DB-9 / Screwing Standard DB9 Hole/3.81 connecting terminal
Buffer 512 bytes buffer Automatically sub-packaging with 58 bytes per package
Electronic parameter Min. Typ. Max. Unit Condition
Power supply 10 12 28 V
Transmitting current 120 134 147 mA 20dBm(100mW)
stand-by current 25 28 31 mA
Operating temperature -40 20 +85
Operating humidity 10 60 90 %
Storage temperature -40 20 +125