Panasonic KX-TDA0105 Memory Expansion Card:

Features:

• FOR USE ON THE KX-TDA100 and 200 ONLY.
• The KX-TDA0105 Memory Expansion Card for D-XDP will integrate an additional KX-T7600 series set (will not integrate a DSS/BLF unit) on to the XDP port of the main KX-T7600 series telephone extension.
• This card will double the capacity of a KX-TDA100 or 200 when integrating digital 7600 series sets.