YL-626D GSM alarm products adopt GSM SMS transmission mode and voice platform to alarm. This kind of host gather lots of functions such as keeping security in family, shop and office, appliances control, car control etc. Because of the large cover of GSM, we have really achieved remote control to alarm conveniently and quickly with lower price and high quality. All these solve the limitations of transmit-ting alarm information with PSTN (Public Switched Telephone Network) or broadband network.

GSM are popular in the world now, so PH-G GSM alarm products could extensive apply to security installation, data monitor and long-range supervision systems in same areas such as family, electric power, transportation, petroleum, coal, railroad, government, police station...Etc.