EM Library Systems

Our Library


Sentry has the experience, products and customer support skills to serve a broad range of library customers.

Library Solutions

EM Library Systems

EM (Electromagnetic) library systems offer a reliable and versatile way to protect library books, magazines, and AV materials. Our EM systems use DSP (digital signal processing) to ensure accurate, reliable tag detection and are managed over the internet to maintain optimum performance and reduce service costs.

EM Library  Systems

EM or RFID? It can be confusing. Our team regularly offers demonstrations and webinars to help libraries better understand their options.

Please call 800-461-2803 or click here to book a webinar.