Shenzhen Patrol Hawk Technology Co, Ltd is a professional GSM alarm system manufacturer, established in July of 2003, which is the first and the most professional GSM alarm supplier in China. Over the years, we have been specialized in the designing, manufacturing and selling of GSM security alarm pruducts, having the key technology of independent intellectual property rights, We also had a professional R & D, production and sales team, who with years of experience, strength technology, higt quality and enterprising. Our designer of technology covered with electronics, automatic control, computer applications and communications professional and so on. From a development and design of both hardware, we all have the standardized management, which have been applied to security installation, data monitor and long-range supervision systems of wide areas, such as family, electric power, mobile base station, transportation, petroleum, finance, civil, police station etc.

Here is PATROL HAWK series products: WiFi alarm system, 3G Video monitoring alarm system, GSM/GPRS/MMS alarm system, GSM Power facility alarm system, GSM/CDMA Home alarm system, GSM industry alarm system, GSM data acquisition alarm system, Smart home automation control alarm system, Alarm Center Monitoring software, IOS & Android Application software and varieties of sensors, etc.
Main functions:

Power Requirements:9~15VDC Power Requirements:10~ 20mA Operating Freqency:315±0.2Mhz/433±0.2Mhz Kind of gas:coal gas,natural gas and pettroleum gas Alarm density:0.1% to 0.5%(coal gas ,petroleum gas)                       0.1% to 0.3%(natural gas )                       0.1% to 0.5%(liquefied petroleum gas) Transmit Way:through line Coding Type:Fixed Code Dimension(LWH):80X75X29mm Operating Temp:-10℃~+50℃ Shell Colour:White