I've always used Checkpoint gates for RF security. There is some more info here: http://solutions.3m.com/wps/portal/3M/en_WW/Track_Trace/home/Products/one/th... I think most places that sell require a call or email to get a quote. -Steve Steven K. Bowers Executive Director Detroit Area Library Network ALA Councilor for the Michigan Library Association MLA Board of Directors, President Elect www.dalnet.org<http://www.dalnet.org> "DALNET is a community of libraries working together to provide access to information for research, cultural enrichment, and lifelong learning opportunities." ________________________________ From: michlib-l-bounces@mcls.org <michlib-l-bounces@mcls.org> on behalf of David Sirka <dsirka@rc.edu> Sent: Wednesday, March 29, 2017 3:17 PM To: Michlib-l@mcls.org Subject: [Michlib-l] Library Security Gates Hi Michlib, We are looking to replace our library RF security gate. Any recommendations you can give for gates or vendors would be a great help. Thanks! -- David Sirka Electronic Resources Librarian Ham Library - Rochester College 248-218-2263<tel:248-218-2263>