W91540N SERIES 10-MEMORY TONE/PULSE DIALER WITH SA.
Winbond
W91542N - 10-MEMORY TONE/PULSE DIALER
W91540N SERIES 10-MEMORY TONE/PULSE DIALER WITH SAVE, KEYTONE, LOCK, AND HANDFREE FUNCTIONS GENERAL DESCRIPTION The W91540N series are tone/pulse swit.