Introducing the Acre ASC-1400-B1 Access Smart Controller, designed for seamless management of up to four doors. This board-only solution offers advanced control capabilities, making it ideal for both residential and commercial applications. With its user-friendly interface and robust performance, the ASC-1400-B1 ensures reliable access management tailored to your needs. Whether you're upgrading your security system or starting from scratch, this smart controller is the perfect choice. OSDP Protocol provides secure channel communications for reader connectivity Supports up to 4-Doors, 12-Inputs, and 4-Relay outputs Supports 250,000 Cardholders and 50,000 Transaction buffer Anti-passback support (area, reader and time based) Click Module for Future Expansion 4GB eMMC on board and 4Gbit of DDR3 RAM 1GB Ethernet TPM 2.0 Compatible Chip Encrypted file system including database Memory and Clock Battery Backup