HI-1573PST Features:Dual Channel Transceiver: The HI-1573PST is a dual transceiver that provides separate transmit and receive HI-1573PST channels for MIL-STD-1553 data bus communication.MIL-STD-1553 Compliant: Compliant with MIL-STD-1553A and B, as well as ARINC 708A standards, ensuring compatibility with military and aerospace systems.3.3V