Valcom's V-2901A Door Entry system enables you to have extra security you need for your organization. With a push of the button, your visitor initiates a two-way communication from the door speaker to the telephone. Once the visitor is identified then you are able to dial a code on the phone that unlocks the door.

Main Feeatures

• Door unlock contact closure (strike-plate required)
• Alarm functions
• Transmit and receive volume controls
• Background music input with volume control
• Built-in ring generator with on/off switch
• 3 distinctive ring patterns
• Programmable options include:
  • Door unlock codes
  • Number of ring cycles before door request is terminated
  • Time the door remains unlocked
• Requires -24 Vdc, 600mA (filtered)