Class 2 for Express Modems Class 2.0 for 9600 send/receive PC Card modems Class 2.0 for 14400 send/receive PC Card modems Class 2 for 9600 send/receive PC Card modems Class 2 for 14400 send/receive PC Card modems Class 1 for 9600 send/receive PC Card modems Class 1 for 14400 send/receive PC Card modems Class 2.0 for Sierra based 9600 send/receive PB modems Class 2.0 for Sierra based 9600 send/receive modems Class 2.0 for Sierra based 14400 send/receive PB modems Class 2.0 for Sierra based 14400 send/receive modems Class 2 for Sierra based 9600 send/receive PB modems Class 2 for Sierra based 9600 send/receive modems Class 2 for Sierra based 14400 send/receive PB modems Class 2 for Sierra based 14400 send/receive modems Class 1 for Sierra based 9600 send/receive PB modems Class 1 for Sierra based 9600 send/receive modems Class 1 for Sierra based 14400 send/receive PB modems Class 1 for Sierra based 14400 send/receive modems Class 2.0 for Rockwell based 9600 send/receive PB modems Class 2.0 for Rockwell based 9600 send/receive modems Class 2.0 for Rockwell based 14400 send/receive PB modems Class 2.0 for Rockwell based 14400 send/receive modems Class 2 for Rockwell based 9600 send/receive PB modems Class 2 for Rockwell based 9600 send/receive modems Class 2 for Rockwell based 14400 send/receive PB modems Class 2 for Rockwell based 14400 send/receive modems Class 1 for Rockwell based 9600 send 4800 receive PB modems Class 1 for Rockwell based 9600 send 4800 receive modems Class 1 for Rockwell based 9600 send/receive PB modems Class 1 for Rockwell based 9600 send/receive modems Class 1 for Rockwell based 14400 send/receive PB modems Class 1 for Rockwell based 14400 send/receive modems Class 2.0 for Exar based 9600 send/receive PB modems Class 2.0 for Exar based 9600 send/receive modems Class 2.0 for Exar based 14400 send/receive PB modems Class 2.0 for Exar based 14400 send/receive modems Class 2 for Exar based 9600 send/receive PB modems Class 2 for Exar based 9600 send/receive modems Class 2 for Exar based 14400 send/receive PB modems Class 2 for Exar based 14400 send/receive modems Class 2.0 for AT&T based 9600 send/receive PB modems Class 2.0 for AT&T based 9600 send/receive modems Class 2.0 for AT&T based 14400 send/receive PB modems Class 2.0 for AT&T based 14400 send/receive modems Class 2 for AT&T based 9600 send/receive PB modems Class 2 for AT&T based 9600 send/receive modems Class 2 for AT&T based 14400 send/receive PB modems Class 2 for AT&T based 14400 send/receive modems Class 1 for AT&T based 9600 send/receive PB modems Class 1 for AT&T based 9600 send/receive modems Class 1 for AT&T based 14400 send/receive PB modems Class 1 for AT&T based 14400 send/receive modems Class 2.0 for 9600 send/receive PB modems Class 2.0 for 9600 send/receive modems Class 2.0 for 14400 send/receive PB modems Class 2.0 for 14400 send/receive modems Class 2 for 9600 send/receive PB modems Class 2 for 9600 send/receive modems Class 2 for 14400 send/receive PB modems Class 2 for 14400 send/receive modems Class 1 for 9600 send/receive PB modems Class 1 for 9600 send/receive modems Class 1 for 14400 send/receive PB modems Class 1 for 14400 send/receive modems