Por un escritor de hombre misterioso
Wifi + GSM dual Network alarm. The hub cellular+Wi-Fi model is a dual network system that utilizes both Wi-Fi 802.11 b/g/n(2.4GHz) and cellular(GSM or 2G). This is the new technology for alarm panel currently.
Alarma inalámbrica para casa Tuya Smart Life - InfotecnologiaSur
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