Panasonic KX-TDA0161 4 Port Doorphone Card:

• Compatible with KX-TDA100, KX-TDA200, KX-TDA600, KX-TDE100, KX-TDE 200, KX-TDE 600 Panasonic Phone Systems
• This card is required when you are adding a door phone or a dry contact closure to your Panasonic Telephone System
• Supports up to 4 door phones and 4 door opener relays
• This card will allow you to push a button on the doorphone and ring phones on your system to alert you that someone is at the door
• You may also push a button on your phone to open the door. A locksmith is required to set up the electronic door strike
• You may set up one of the 4 relays to operate the existing doorbell in a home or office
• Requires OPB3 (KX-TDA0190) Card is installed in your Panasonic Phone System
• The KX-TDA0161 Card is mounted on the KXTDA0190 (OPB3) card as a daughter board.
• Provides a connection for a Panasonic Doorphone or a Viking Doorphone with an adapter