ARD-R40 is a contactless access control reader from Bosch Security System. It uses 13.56 MHz technology and can be connected to door control units with Wiegand interface.
The ARD‑R40 is a 13.56 MHz contactless access‑control reader that supports iCLASS cards with 64‑bit keys and ISO 14443A cards with 32‑bit serial numbers. Data is transferred encrypted between the reader and the card, and the unit can be mounted in concealed sockets for indoor or outdoor use.
The document provides installation instructions, wiring details for up to four readers per access point, and a full technical specification sheet covering dimensions, environmental ratings, power requirements, and performance parameters such as reading distance and current consumption. This manual is written in Chinese.
| External dimensions (L×W×H) | 83.8 x 121.9 x 21.6 mm |
|---|---|
| Material | Polycarbonate (UL94) |
| Weight | 249.5 g |
| Display | Multicolor LED indicator |
| Interface | Wiegand |
| Operating temperature | -35 °C to 65 °C |
| Relative humidity | 5 % to 95 % (non‑condensing) |
| IP rating | IP65 |
| Power supply | 10 V to 16 V DC |
| Reading technology | iCLASS, MIFARE CSN |
| Operating frequency | 13.56 MHz |
| Reading distance | 6.3 cm to 11.4 cm (iCLASS) |
| Current consumption (12 V) | Average 80 mA, Max 260 mA |
It can read iCLASS cards using 64‑bit keys and ISO 14443A cards with 32‑bit serial numbers.
Only one reader is allowed per door; for entry and exit you can configure two readers as a logical unit on the controller.
The reader operates from a 10 V to 16 V DC power source.
It has an IP65 protection rating, suitable for indoor and outdoor installations.