Compact and Reliable Reader for Secure Access Control The AWID SR-2400 Mullion-Mount Proximity Reader is a compact, metal-compensated access control reader engineered for superior performance in both indoor and outdoor environments. Designed for use with 125 kHz AWID proximity credentials, the SR-2400 provides reliable read ranges up to 5.5 inches, ensuring consistent and secure entry control in commercial, industrial, and multi-tenant applications. Its sleek, epoxy-potted enclosure ensures long-term durability and resistance to environmental stress. Key Features Compact Mullion Design – Fits perfectly on standard 1-3/4" door frames or window mullions. Metal-Compensated Construction – Maintains optimal read range even when mounted on metal surfaces. Visual & Audible Feedback – Includes 3-color LED and 4 kHz beeper for clear user response and diagnostic feedback. High Durability – Fully epoxy-potted electronics for protection against moisture, dust, and tampering. Wiegand Interface Compatibility – Works with all Wiegand 26-bit to 50-bit access control panels. Easy Installation – Simple 4-wire (or 6-wire for LED/beeper control) connection with included mounting screws. Self-Testing Functionality – LED and beeper automatically verify reader status and operation. Technical Specifications Model: SR-2400 Technology: 125 kHz Proximity Read Range: Up to 5.5 inches (varies by credential type and mounting surface) Interfaces: Wiegand (26–50 bit), simultaneous RS-232 output Indicators: 3-color LED (red, amber, green); 4 kHz piezo beeper Power Supply: 5–12 VDC (regulated, 100 mA minimum) Housing Material: ABS one-piece enclosure, epoxy-potted rear surface Dimensions: 4.5" × 1.8" × 0.7" (11.4 × 4.5 × 1.8 cm) Operating Temperature: -31°F to 150°F (-35°C to 65°C) Operating Humidity: 0%–95% non-condensing Cable Length: 18" (integrated, shielded 22 AWG cable) Mounting: Mullion, door frame, wall, or cabinet Certifications: UL 294 (Level IV Endurance), FCC Part 15, Industry Canada, ISO-9001:2000 Compatible Credentials AWID Proximity Cards: Clamshell, graphics-quality, keytags, hangtags, adhesive wafers Frequency: 125 kHz Code Formats: 26-bit to 50-bit standard and custom AWID formats Applications Ideal for door access control, gated community entry, office buildings, and industrial sites where reliability and compact size are critical. The SR-2400’s rugged design makes it suitable for harsh weather and metal-mount installations without performance loss. Conclusion The AWID SR-2400 Mullion-Mount Proximity Reader delivers professional-grade reliability and value in a slim, weatherproof design. With its excellent range, Wiegand compatibility, and self-testing functionality, it is a trusted choice for both OEM and integrator-level access control installations. Cut Sheet Installation / User Manual