[elecena] WS301-868M LoRaWAN door / window contact - zmiany ceny LoRaWAN Magnetic Contact Switch WS301-868M LoRaWAN door / window contact - 54.73 EUR https://elecena.pl/product/20027000/ws301-868m-lorawan-door-window-contact 2022-01-08 WS301-868M LoRaWAN door / window contact - 61.97 EUR https://elecena.pl/product/20027000/ws301-868m-lorawan-door-window-contact 2023-10-09