Panasonic KX-TDA0172 16-Port Digital Extension Card:

• Compatible with KX-TDA100, KX-TDA 200, KX-TDA 600, KX-TDE100, KX-TDE 200, KX-TDE 600 Panasonic Phone Systems
• Provides 16 Digital Extension Per Card
• Supports Panasonic Digital Telephones such as KX-DT300 Series, KXT7600 Series, KX-T7400 Series telephones, and DSS consoles.
• Supports connection for Panasonic Voicemail systems such as KXTVA50, KX-TVA200
• Supports Panasonic Wireless Cell Station Systems
• 2.4 GHZ Wireless 2 Channel Cell Station (KX-T0151) with KX-TD7684, KX-TD7690, KXTD7694 Wireless Phones.
• Panasonic DECT Wireless Cell Stations and phones, the (KX-T0155) 2 Channel Cell Station or the (KX-T0158) 8 Channel Cell Station with DECT Wireless Phones such as the KX-TD7685, KX-TD7695, and KXTD7696
• Card requires 1 free slot