Send SMS with USB GSM modem when alarm triggered - #263 by Oscar_Calvo - Share your Projects! - Home Assistant Community
GSM/GPRS 3G Modem Pool 32 Ports USB interface Wavecom Module SMS Blaster SIM5215 | eBay
SMS Modem 16 - ChinaSkyline
2G Silver Sim900A GSM/GPRS USB SMS Modem, 100
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