Napco NLMODUL NET LINK INTERNET COMMUNICATIONS MODULE - UL APPROVED FOR COMMERCIAL APPLICATIONS - MEETS UL AA HIGH LINE SECURITY. PROVIDES FULL CHANNEL SERIAL REPORTING, UP/DOWNLOAD WHEN CONNECTED TO NAPCO GEM-P1632, 3200, 9600, 255 AND FREEDOM F-64 CONTROL PANEL. DESIGNED TO REPORT TO NAPCO IP RECEIVER.