Overview

    E303 is a gateway integrating WIFI, BLE, Ethernet and RS-485 interfaces.The Wi-Fi /BLE module adopt ESP32 as module core chipset. There is a SD slot could be used for storing data from connected sensors.

    By installing different firmware, E303 can also work as a BLE beacon scanner which keep scanning the beacons transmitted by surronding devices and sending to the cloud through Wi-Fi or Ethernet.

Key Features :

• Wi-Fi : 802.11 b/g/n
• BLE : 5.0
• Operating system : FreeRTOS
• RS-485 interface : with isolation and TX/RX auto switch
• Ethernet : 10/100M
• SD card slot for data storage
• DC Supply voltage : 5~12V DC