... the updated advanced GSM prepaid module made by Shenzhen ABS Technology CO.,LTD. It features eleven different wireless protection zones, two ... etc. compatible with CCTV surveillance and centre monitoring system.1. Wireless type, easy to install, without phone line.2. Remote ... locale monitoring start on.7. SMS to recheck the GSM panel status, alarm report, zone name, arm/disarm status.8. Audible/ ...