CSIF8 Cell Station Interface Card.
Compatible with KX-TDA100, KX-TDA200, KX-TDA600, KX-TDE100, KX-TDE200, KX-TDE 600 Panasonic Phone Systems
This card supports up to 8 (KX-TDA0142) 3 channel cell stations to be connected to your Panasonic Telephone System
Required when using 3-Channel Cell station
Compatible with 2.4 GHz Wireless Handsets such as the KX-TD7684, KX-TD7690, and KX-TD7694
In order to use this card you must have 1 free slot in your Panasonic Telephone System