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Title：SK-811 Ethernet Alarm Upgrade Module
Type：SK-811
Feature：◆ Equipment upgrade: Upgrade the telephone line alarm function to the network alarm function, increase the data transfer...

Title：SK-136 GPRS wireless dialer
Type：SK-136 GPRS
Feature：◆ strong stability: the use of industrial grade module, to ensure the long-term stable operation of products, provide pe...

Title：2008 Comprehensive alarm system time
Type：SK-2008
Feature：1.Support at most 8 routes telephone line at the same time receiving alarm and display the caller number.2. Compatibilit...

Title：Moment of 3000 pairs of network alarm video linkage system
Type：SK-3000
Feature：◆ The receiving alarm form: with network and telephone sending alarm prompt.◆ When alarm, can pop-up alarm information f...