The ALEXOR Wireless Panel is the center component of DSC’s 2-Way Wireless Security Suite. Click or call for more info.. DAS Alarm. Easy, Confident and Direct Security with DAS . Direct Alarm Supplies (DAS) is currently a division of Hills – a natural extension of Hills’ niche in quality, user-friendly home maintenance products.. We tested and rated ten of the best security systems based on features, pricing, system installation, service, and more. Reviews also include user ratings..