LRMQ-1000 (LoRa MQTT Gateway) is used to receive the LoRa signals (433 MHz, 125 kHz Bandwidth)  from the remote sensors and reformat/retransmit the received data to the MQTT Server via WiFi (IEEE802.11 b/g/n, 2.4 GHz and 18 dBm transmit power).

LoRa signal from each sensor consists of  sensor device name, ID number, Sequence number, each measured item name and the associated data consecutively in JSON format. LRMQ-1000 encapsulates the received LoRa signal into MQTT format with a predefined Topic and then retransmit the MQTT signal to the MQTT server (MQSVR) using 2.4 GHz WiFi for further processing.

LRMQ-1000 is equipped with a 0.96″ OLED to display the received LoRa signal for easy maintenance and debugging.