Langjushan-Tech RTU5024 - Install Mainframe; Technical Specifications

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7.2 Install the Mainframe
The mainframe should be installed in the position that person can not get it,andtherewitha
power source as well as enough GSM signal coverage.
8. Technical specifications
Rated Voltage: 12VDC 1 A
Working temperature: -10℃～+60℃