# Access control reader DAHUA ASR2201A-D, black — 12 V DC, 1.7 W typical, 135×40×15 mm

**URL:** https://aio.lv/en/product--dahua-dhi-asr2201a-d--11683071
**Data updated:** 2026-01-30 13:37 (EET)
**Category:** Control Systems
**Manufacturer:** DAHUA
**Manufacturer code:** DHI-ASR2201A-D
**Warranty:** 3 Years
**Availability:** Out of stock

## Summary description

DAHUA ASR2201A-D is a basic access control reader in black, designed for door entry and access management. It operates from 12 V DC with typical power consumption of 1.7 W and maximum DC current 0.5 A. Compact dimensions (135×40×15 mm) allow discreet wall mounting. Suitable for offices, small businesses and residential installations.

## Long description

DAHUA ASR2201A-D is a basic access control reader designed for card and password entry. It connects to an access controller to verify credentials and supports both indoor and outdoor installation thanks to a tempered glass panel, PC material housing and IP66 rating. The reader is compact and slim, enabling discreet wall mounting in offices, industrial zones, schools, residential areas and other controlled-entry locations.
Advantages
The reader supports contactless ID card recognition and password unlock, with RS-485 and Wiegand communication options for integration with common access control systems. It includes buzzer and indicator prompts, anti-tampering alarm and built-in watchdog for automatic recovery from abnormal states. The device features overcurrent and overvoltage protection on connection ports and low typical power consumption for reliable, long-term operation.
Suitable for
Office entrances and reception areas
Small business and retail access control
Residential building entry systems
Schools and campus buildings
Industrial sites and factory doors
Key specifications
Power supply: 12 V DC
Typical power consumption: 1.7 W
Maximum DC current: 0.5 A
Dimensions: 135 × 40 × 15 mm
Ingress protection: IP66 (suitable for outdoor use)
Materials: PC housing with tempered glass panel
Communication protocols: RS-485 and Wiegand
Authentication methods: contactless ID card and password
How to use
Mount the reader on a flat wall surface at an appropriate height for users and connect it to the access controller using the supported RS-485 or Wiegand interface. Provide a stable 12 V DC power supply and verify wiring for overcurrent/overvoltage protection as required. Configure the access controller to recognize the reader and enroll cards and passwords according to the controller's management interface. Test buzzer, indicator prompts and anti-tamper alarm after installation to ensure proper operation.
Usage recommendations
Install the reader under a small protective cover or canopy if exposed to direct weather extremes despite its IP66 rating, and perform periodic checks of connections and the tamper circuit to maintain reliable operation.

## Specifications

| Feature | Value |
|---|---|
| Type | Basic access control reader |
| Power consumption (typical) | 1.7 W |
| Operating relative humidity (H-H) | 5 - 95 |
| Package weight | 160 g |
| Operating temperature (T-T) | -30 - 70 |
| Height | 15 mm |
| Width | 135 mm |
| Depth | 40 mm |
| Product colour | Black |
| Buzzer | Yes |
| Fingerprint reader | No |
| Package depth | 400 mm |
| Package height | 230 mm |
| Package width | 415 mm |
| Housing material | Polycarbonate (PC), Tempered glass |
| Active tampering alarm | Yes |
| Waterproof | Yes |
| RS-485 ports | 1 |
| DC voltage range | 12 |
| International Protection (IP) code | IP66 |
| Recommended usage | Indoor / Outdoor |
| Built-in display | No |
| Access code reader | Yes |
| Access chip/card reader | Yes |
| Access chip/card reader type | Contactless |
| Authentication type | Access chip/card, Password |
| Contacting working distance | 0 mm |
| Contactless working distance | 50 mm |
| Watch Dog function | Yes |
| Front camera | No |
| Unlock function | Yes |
| Verification (1:1) time | 0.1 s |
| DC current (max) | 0.5 A |
| Wiegand interface | Yes |
| Tamper protection | Yes |
| Sustainability compliance | Yes |
| Compliance certificates | CE, Federal Communications Commission (FCC) |

## FAQ

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All DAHUA products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized DAHUA service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### Where can I download the instructions for DAHUA ASR2201A-D access control reader?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/11683071/67021522_large.webp