The Panasonic KX-TDA0190 Optional 3-Slot Base Card provides a flexible expansion platform for your Panasonic phone system, allowing you to mount up to three compatible daughter cards. Ideal for enhancing system features like messaging, doorphone integration, echo cancellation, and I/O functions, this card fits into either an optional card slot or a free system slot.

• Provides 3 connectors for mounting compatible optional daughter cards

• Supports cards such as MSG4, DPH4, ECHO16, and I/O (KX-TDA0191, 0161, 0166, 0164)

• Requires one available slot in the PBX system

• Enables added customization for messaging, access control, and audio performance

• Designed for seamless integration with Panasonic KX-TDA series systems