Versatile Standalone Wiegand Controller The Doorking 1520-081 is a stand-alone access control unit designed to manage a single door or gate using a wide range of 26-bit Wiegand-compatible devices. This controller-only model is ideal for applications requiring flexible integration with external card readers, keypads, or RF receivers. It features built-in time zones, anti-pass back, and a 3,656-event transaction buffer, making it a reliable solution for commercial, residential, or industrial access control. Key Features Controller-only version: Add your own 26-bit Wiegand reader or keypad Stores up to 1,000 card/device codes Built-in programming keypad for easy configuration Supports 4 time zones and hold-open scheduling Timed anti-pass back and programmable facility codes Transaction buffer stores up to 3,656 events Form C relay output (30V, 1A max) Designed for stand-alone access control of one door or gate Technical Specifications Model: 1520-081 Device Compatibility: Any 26-bit Wiegand device Code Capacity: 1,000 users Transaction Memory: 3,656 events Power Input: 16 VAC or 12–24 VDC Relay Output: Form C, 30V, 1A max Temperature Range: -31°F to 150°F (-35°C to 65°C) Mounting: Surface or post mount Weight: Approx. 8 lbs Certifications: ETL listed Conclusion The Doorking 1520-081 offers a versatile and reliable stand-alone solution for secure entry control. With support for a wide range of Wiegand devices and onboard programming features, it’s an excellent choice for professional access control installations where networking isn't required.