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Products > Security Protection > Shenzhen Chitongda Electronic Co.,Ltd | Similar Products
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Security Protection

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GSM Alarm System with MMS&SMS Function(YL-007M8A)

GSM Alarm System with MMS&SMS Function(YL-007M8A)
security products! The MMS function of the testing device has been won the national utility models patent, (patent number: ZL2003 2 0107152.9). Adopt three bands, GSM 900/1800/1900MHz, alarm ...

GSM Multi-functional Telephone Alarm Systems(YL-007M5B)

GSM Multi-functional Telephone Alarm Systems(YL-007M5B)
security level Activating/Deactivating report (Kids report0 Technical Parameters Defense Area:16 wireless sensors (433/315/868 MHz) Network:GSM900/1800/1900 MHz(850 MHz optional) TX power ...
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