Check the listing for details. MOTOROLA RAVEN ELECTRONICS CO. 42100 -2000 ALARM MASTER. Condition: Used. Listed at 2500.00 USD. This Motorola Raven Electronics Co. 42100A-2000 alarm system is a reliable and efficient solution for protecting your property. With a weight of 4kg, it is easy to install and use. The system is designed for both duty alarm and engineer alarm functions, making it a versatile option for any business or industrial setting. The brand of this alarm system is Motorola, a trusted name in the industry. It falls under the categories of Data Acquisition Units/Systems, Data Acquisition & Loggers, Analyzers & Data Acquisition, Test, Measurement & Inspection, and Business & Industrial. The model number is 42100A-2000. This alarm system is a great investment for anyone looking to secure their property and ensure the safety of their business.