http://thebeststock.us/Tools-Hardware/cheap-tools-shop-aas-cellular-gsm-home-security-alarm-system/ Product Description For those wanting the protection of a Complete Home Security Alarm System but lacking a land line telephone. The ABS Cellular Alarm System consists of a Wireless Home Security Alarm System matched a with Cellular Gsm Terminal operationing on all major world band frequencies. This GSM Alarm System is perfect for vacant and weekend homes,construction sites….anywhere with power but no phone line. Self monitored. No fees or contracts. Expandable [to 96 sensors]and portable. The GSM Alarm System operates on all major world band cellular frequencies: 1. GSM 850 mhz/900mhz/1800mhz/1900mhz 2.GSM 900mhz/1800mhz 3. CDMA 800 MHz The GSM Terminal replaces the typical landline and works like a cell phone. As most mobile phones utilize a SIM card to wirelessly transmit throug... Fri, 05 Feb 2010 12:18:43 ICT en