RFID module ELFON OP-255R-G Graphite, model 2903, reader module for access control

ELFON OP-255R-G Graphite (model 2903) is a compact RFID reader module designed for access control and identification integration. The module provides contactless reading of RFID tags and is intended for embedding in door entry systems, control panels, and custom hardware where reliable tag detection and fast user verification are required. Its compact form factor and graphite finish make it suitable for discrete integration into equipment housings or wall-mounted panels.

Advantages

The module offers reliable contactless identification with fast read times and consistent performance in typical access control environments. Its compact dimensions simplify installation in limited spaces and facilitate integration with controllers and alarm systems. The graphite casing provides a neutral appearance suitable for many interiors while protecting the electronics. Communication interfaces and design accommodate integration into existing control systems without significant mechanical modification.

Suitable for

• Door entry control in commercial and residential buildings
• Integration with access control panels and controllers
• User identification for time and attendance terminals
• Embedded solutions in kiosks, cabinets, or secure enclosures

Key specifications

• Technology: contactless RFID tag reading
• Form factor: compact reader module for embedding
• Finish: graphite housing for discrete installation
• Typical applications: access control, identification, user verification

How to use

Mount the module inside the target enclosure or panel following the manufacturer’s mechanical guidelines. Connect the module to the access control system or controller using the provided communication interface and power supply lines, ensuring correct voltage and wiring. Configure the host system to recognize the reader and enroll RFID tags according to the access control workflow. Test tag detection and verify communication with the controller before final assembly.

Usage recommendations

Install the reader in a location with minimal metallic obstruction between tags and the reader antenna to maintain consistent read range. Verify compatibility of RFID tags and the host controller protocol before installation. Perform periodic functional checks and keep the housing clean to avoid signal interference.

Keywords: ELFON OP-255R-G, RFID reader module, access control reader, contactless identification, reader module for access control.