ARD-AYH12 is a RFID inductive reader from Bosch Security with a buzzer and a multicolor LED display, supports Wiegand output for 125 kHz card technology (EM), supports indoor and outdoor installation
The ARD-AYH12 is a 125 kHz RFID proximity reader designed for integration into security and access‑control systems. It supports Wiegand output, includes a buzzer and multi‑color LED, and can be installed indoors or outdoors.
The manual lists the electrical characteristics, wiring colour code, mounting dimensions, environmental limits, and certification information, as well as ordering details for compatible RFID cards and accessories. This manual is written in Chinese.
| Working voltage range | 5 – 16 V DC |
|---|---|
| Maximum standby current | 35 mA |
| Maximum read current | 100 mA |
| Tamper output | Open‑collector, active low |
| Maximum leakage current | 16 mA |
| RF modulation | ASK |
| Reading range | ≈12 cm (4.72 in) |
| Dimensions (H×W×D) | 4.33 × 2.95 × 0.59 in (110 × 75 × 15 mm) |
| Operating temperature | -25 °F to 145 °F (‑31 °C to 63 °C) |
| Operating humidity | 0 % to 95 % non‑condensing |
| Maximum cable length to controller | 500 ft (150 m) |
Red is DC + input, black is ground, white is Data 1, green is Data 0, brown controls the LED, and purple is the tamper signal.
The reader can detect tags up to about 12 cm (4.72 in) away, depending on card type and environment.
It operates from a DC supply of 5 V to 16 V.
The device is certified to UL 294, FCC Part 15B, and CE standards.