Nơi xuất xứ
Guangdong, China
Product name
three phase four line detection& solar power GSM power alarm system
Working Frequency
GSM 850/900/1800/1900MHZ(quad band)
Fixed code wireless signal frequency
315MHZ/433MHZ
Support
sms/call/video alarm
Wireless distance
100-200m
Host Size
260mm*180mm*120mm*
Function
SMS alarm/Three phase four line detection/Networking alarm/Inspection
Usage
transformer alarm/streetlight alarm/ power transformer