900 MHz for clear sound and enhanced range. 30-Channel Auto-Scanning automatically finds a clear channel. 12 CO Lines. 2-Line, 16-Character LCD Display. Caller ID (APITS mode). Message Waiting. Last Number Redial. Headset Jack. Programmable Ringer/Vibrator. Dual Mode (SLT or APITS mode). Separate Charging Unit. Remote Locatable Antenna.