GSM network protection, short message sending function. DIY, Customize, easy-to-use and install! ATS-802 is the updated advanced GSM prepaid module made by Shenzhen ABS Technology CO.,LTD. It features eleven different wireless protection zones, two wired protection zones, partial disarmed, remote telephone control, remote electricity control, etc. compatible with CCTV surveillance and centre monitoring system. 1. Wireless type, easy to install, without phone line. 2. Remote control, convenient. 3. Password protected 4. SMS to enable arm/disarm, partial arm/disarm, siren 5. High siren volume so to scare away intruders 6. SMS and auto dial up three phone numbers, locale monitoring start on. 7. SMS to recheck the GSM panel status, alarm report, zone name, arm/disarm status. 8. Audible/mute siren programmed 9. Panic help 10. AC power shutoff self-detected to avoid malice destroyed, automatically switch to battery back-up 11. Enable to setup alarm receiving central through GSM network. Specification 1.Protection zone wire 2 wireless 8 2. GSM band EGSM900/DCS 1800/PCS 1900MHZ TX RX EGSM 880~915MHz 925~960MHz DCS 1710~1785MHz 1805~1880MHz PCS 1850~1910MHz 1930~1990MHz It can save six alarm telephone number and separately set SMS function or telephone alarm. transmitting power consumption1W 3.LED indicators8 4. low power protected time