✨Cheapest MQTT IoT Gateway 3G 4G LTE Cellular Modbus RTU Supports AC Power failure/Recovery Alarm D
✨ You Can Check Here : https://s.click.aliexpress.com/e/_9jKckp Specifications Product : Brand Name: KING PIGEON Origin: CN(Origin) Certification: CE Certification: FCC Power: DC 12V/1.5A Output Number: 11
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