# RFID reader DAHUA DHI-ASR1100B-V1, RS-485/Wiegand interface, 72×102×18 mm, black

**URL:** https://aio.lv/en/product--dahua-dhi-asr1100b-v1--11683069
**Data updated:** 2026-01-30 13:37 (EET)
**Category:** Control Systems
**Manufacturer:** DAHUA
**Manufacturer code:** DHI-ASR1100B-V1
**Warranty:** 3 Years
**Availability:** Available for order
**Price:** 58.99 €
**Prices and availability valid until:** 2026-07-27 23:59
**Price without VAT (21%):** 48.75 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--dahua-dhi-asr1100b-v1--11683069

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Tuesday | free |
| Pickup points | Friday | 1.89 EUR |
| Courier delivery to door | Friday | 4.99 EUR |

## Summary description

DAHUA DHI-ASR1100B-V1 is an RFID reader with RS-485 and Wiegand interfaces, designed for access control and identification tasks. Its compact housing measures 72 × 102 × 18 mm and comes in black. The unit connects to access control panels via RS-485 or Wiegand, providing reliable tag reading for entry management in offices, residential buildings and secure areas.

## Long description

DAHUA DHI-ASR1100B-V1 is an RFID access control card reader with RS-485 and Wiegand interfaces. The reader, housed in a compact black enclosure measuring 72 × 102 × 18 mm, reads 13.56 MHz MIFARE cards and transmits card data to an access controller for verification. Designed for surface-mounted installation, the unit provides ingress protection suitable for outdoor and indoor use.
Advantages
The reader supports both Wiegand and RS-485 communication protocols, enabling flexible integration with a variety of access control panels. It features IP67-rated waterproofing for reliable operation in harsh environments, LED indicators for clear status feedback, and a watchdog function to detect tampering. Its compact form factor simplifies installation on doors, gates, and frames.
Suitable for
Office access control
Residential building entry systems
Secure areas and restricted zones
Outdoor entrances and gates
Key specifications
Card type: MIFARE 13.56 MHz
Interfaces: RS-485 and Wiegand
Dimensions: 72 × 102 × 18 mm
Colour: Black
Mounting: Surface-mounted installation
Ingress protection: IP67
Indicator lights: Red and green LEDs
Security feature: Watchdog tamper detection
How to use
Connect the reader to the access controller using the RS-485 or Wiegand interface according to the controller manufacturer’s wiring diagram. Mount the reader on a flat surface near the entry point using appropriate fasteners. Power the unit following the specified voltage from the access control system, then register MIFARE cards on the controller for user authorization. Verify LED indications to confirm card reads and normal operation.
Usage recommendations
Install the reader in a sheltered position if possible to extend service life; when used outdoors, ensure mounting surfaces are sealed to maintain IP67 protection. Periodically check connections and LED status to detect tampering or communication issues early.

## Specifications

| Feature | Value |
|---|---|
| Interface | RS-485/Wiegand |
| Weight | 0.2 kg |
| Certification | TBD |
| Operating relative humidity (H-H) | 0 - 95 |
| Battery type | Not available |
| Operating temperature (T-T) | -30 - 60 |
| Height | 18 mm |
| LED indicators | Y |
| Width | 72 mm |
| Depth | 102 mm |
| Product colour | Black |
| Operating frequency | 13.56 |
| Working distance | 90 mm |
| International Protection (IP) code | IP67 |

## FAQ

### How much does the RFID reader DAHUA DHI-ASR1100B-V1 cost, and is it available for purchase?

The price is 58.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on Tuesday at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay. 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 RFID reader DAHUA DHI-ASR1100B-V1?

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/11683069/67021526_large.webp