Sonoff G1 Gprs Gsm Remote Power Smart Wifi Switch Support Sim Via 2g Gprs Network Wireless Switch Works With Alexa & Google Home - Automation Modules - AliExpress
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Sonoff G1 Gprs Gsm Remote Power Smart Wifi Switch Support Sim Via 2g Gprs Network Wireless Switch Works With Alexa & Google Home - Automation Modules - AliExpress
Modem GSM/GPRS industrial, Quad Band - Class 10, interfata RS232