Profile: Monaco Enterprises, Inc. provides quality fire and security alarm systems. Our product line includes antenna installation & maintenance, building transceivers, central receiving systems and fire alarm control panels. Our Monacos Signal Receiving Device receive signal when it is combined with a digital voltmeter (P/N 290-701-01). It will help to precisely align a directional antenna to obtain the strongest RF signal. Our D21™ includes civil defense sirens, visual alert lighting systems, flow controls & pumps and barrier & gate systems. It is also equipped with basic interface module expansion kit.