KX-TDA50 system includes:

KX-TDA50 KSU/CPU (R6) and power supply, set up 4 caller ID lines and 4 digital station ports 

Qty 1-  KX-TDA5193- 4 port caller ID card 

Qty 1- KX-TDA5196- remote access card 

If you have any questions, please let us know.

Same day shipping if order received by 4:00 CST.  Thank you!