If you would like information about tempest monitors, computers, printers or secure fax machines, please contact me. Tempest tecnology prohibits the electronic monitoring of electromagnetic emissions from the above listed devices. This is the core of our business. Sincerely, Karen Azoff Computer Security Solutions, Inc. 6190 Grovedale Ct.,#200 Alexandria, VA 22310 ph. US 703 922-0633 fax US 703 922-0963 email; kte4mpest@aol.com