מקום מוצא
Guangdong, China
Item name
three phase four line detection& solar power GSM power alarm system
Working Frequency
GSM frequency band: 850/900/1800/1900MHZ(quad band)
Fixed code wireless signal frequency
315MHZ/433MHZ
Usage
transformer alarm/streetlight alarm/ power transformer,
Support
sms/call/video alarm
Function
SMS alarm/Three phase four line detection/Networking alarm/Inspection
Standby battery working ho
≥48 hours