Teracom Locky-BT-v2 is a compact 125kHz RFID Terminal

Description Locky-BT-v2 is a compact 125kHz RFID terminal designed for computer-based and controllerbased access control systems. It reads EM4102-compatible RFID identifiers and transmits their unique numbers over an RS-232 (0/5V) serial interface. The device features a built-in antenna, relay output, LED indicators and buzzer, all controllable through serial commands. Its button-type form factor enables easy panel mounting, making it suitable for integration into embedded, industrial and building access applications. Features • 125kHz EM4102 RFID terminal with integrated short-range antenna (≤3 cm); • Serial RS-232 (0/5V) interface for transmitting tag IDs in real time; • Relay output, LEDs and buzzer, fully controllable via serial commands; • Hexadecimal communication protocol with CRC validation for reliable data exchange; • Configurable LED and buzzer behavior (activation time, pulse mode, blinking patterns); • Compact button-type design for easy panel mounting (Ø38 mm, Ø35 mm hole).