NAP-NL-MOD-UL 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.