Wiegand Signal Standardizer - Convert non-standard Wiegand readers to standard Wiegand signaling for applications such as paralleling non-standard Wiegand readers or connecting non-standard Wiegand readers to an incompatible Wiegand controller. Some RFID readers use the same two wires for the Wiegand and OSDP interface, this may result in a non-standard Wiegand interface. Requires 5 -16 VDC (12VDC typical). Overall dimensions of each unit: 2.18” x 0.70” x 0.53” (approx).