EM91220B Overview
Description
The EM91220 is a series of tone/pulse switchable dialers that is composed of T/P dialer and T/P dialer with 20-set memories. The EM91220 series provides necessary functions of telephone set for application in any environment, such as Pulse dialing, Tone (DTMF) dialing, Handfree dialing, keying tone , mute and pulse mute functions.
Key Features
- Tone/Pulse switchable
- Wide operating voltage from 2.0 V to 5.5 V
- Low operating current, 0.15 mA (Pulse) and 0.3 mA (Tone) typically
- SDO function supports LCD driver and voice synthesizer to indicate dialing numbers
- Handfree function provides on-hook dialing and speakerphone application
