1.    Can be operated from anywhere, no distance limitation;

2.    No call charges for inquiry. the GSM 3G 4G LTE Phase Loss Monitoring rejects the call from authorized number then return onsite Temperature, humidity,AC power status and power voltage on the first 'ring';

3.    Multiple applications. (3/Single phase status, power status, solar panel, DC voltage,Temperature, humidity);

4.    up to 10 authorized phone numbers, 5 can be used to receive SMS,and 5 can be used to call and SMS while alarm occurrence;

5.  1 Input  for Temperature & Humidity,AC power status monitoring;

6.    External AC Power status monitoring, AC ON/off will send SMS to authorized phone numbers;

7.    Inbuilt MCU monitoring the DC input Voltage value, measure range is 0-36VDC, no need additional sensor to save cost;

8.    Timer ReportCan setup every x hours automatically send its status/Value to the authorized numbers;

9.    Support remotely read historic data via SMS;

10. Support Modbus TCP and Modbus RTU over TCP protocol for cloud monitoring;

11. Rechargeable Backup Battery inside can last 8hours;

12. Secure - Using caller ID and password for identification, unknown callers are ignored;

13. Programmable by SMS Commands or APPs with password protection;

14. Based on GSM/3G/4G Network, applied to many applications.

15. Remote Reset via SMS, Remote Reboot via SMS, Automatic Reboot Periodicity.