a LoRA Modulation pager prototype

Hardware:

SX1280 transceivers from Semtech operating on the 2.4 GHz band with LoRa modulation

SETUP:

Tests were conducted with two radio nodes: a master and a slave.

The slave acted as a pager showing received messages on an integrated screen.

The master, connected to a PC, acted as an emitter and receiver showing link diagnostics and measurements.

constraints:

Max Payload Length: 100 bytes

Radio Frequency Band: 2.4 GHz

Antenna: PCB antenna

Environnement : urban area

Result:

Several tests were carried out to measure the data exchange duration (i.e. the time elapsed between sending a message and receiving an acknowledgment). Duration and communication range depends on Spreading Factor and Bandwidth.

prototype pager LORA (2).jpg
 LORA prototype test

LORA prototype test