VMP503 Main station IP65 with built in loudspeaker

Operating temperature: -40°C to +55 °C

• Designed for use with ACM exchanges and for wall mounting.
• Handsfree open conversation or private when used with Handset VMP-211 or VMP-250.
• Built-in loudspeaker
• Built-in electret microphone gives clear sound
• Keyboard with large digits
• C-key for cancelling calls
• M-key for manual switching of speech direction (simplex).
• Voice operating duplex speech.
• Public Address messages via General Call and Group
• Calls with automatic answer back, are available
• Audio Programmes can individually be selected and received.
• Screw terminals for easy connection of Installation cables and optional