Introducing the DSC PC4020PCBC MAXSYS Control Panel Board, designed for those who demand reliability and flexibility in their security systems. This advanced PCB supports up to 16 hardwired keypads, making it perfect for both small and large installations. With the capability to expand to 128 zones, you can easily integrate hardwired, wireless modules, and addressable zones to suit your needs. Additionally, it features built-in supervision for telephone lines and sirens, ensuring your system remains secure and functional. Upgrade your security setup today with the DSC PC4020PCBC and experience peace of mind like never before!