# Smart Card Reader ACS ACR3901U

**URL:** https://aio.lv/en/product--actis-acr3901u-s1acsa--611639
**Data updated:** 2025-12-28 21:29 (EET)
**Category:** Card readers
**Manufacturer:** ACTIS
**Manufacturer code:** ACR3901U-S1ACSA
**EAN:** 5711783835004
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 67.99 €
**Prices and availability valid until:** 2026-07-26 23:59
**Price without VAT (21%):** 56.19 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--actis-acr3901u-s1acsa--611639

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 10.07.2026 | free |
| Pickup points | 15.07.2026 | 1.89 EUR |
| Courier delivery to door | 15.07.2026 | 4.99 EUR |

## Summary description

The ACS ACR3901U is a USB 2.0 smart card reader with a 1 m cable length and a compact design. Weighing only 30.8 g, it is lightweight and portable. The device is ideal for various applications, providing reliable performance for reading smart cards. Its white color adds a modern touch, making it suitable for any environment.

## Long description

The Smart Card Reader ACS ACR3901U (ACR3901U-S1) is a compact wireless smart card reader with Bluetooth® 4.0 and USB Full Speed connectivity. It supports ISO 7816 Class A/B/C cards (5 V, 3 V, 1.8 V), memory cards and microprocessor cards using T=0 and T=1 protocols. The reader offers up to 600 Kbps read/write speed, a rechargeable lithium‑ion battery for portability, and compatibility with Android, iOS, Windows, Linux and Mac OS platforms.
Advantages
The device combines Bluetooth and USB interfaces for both wireless and wired operation, includes AES-128 encryption for secure communication, and supports in-field firmware upgrades to keep the reader up to date. It is PC/SC and CCID compliant, features wide OS driver compatibility, and is lightweight and portable for mobile use.
Suitable for
Mobile authentication and access control using smartphones or tablets
Payment terminals and POS systems requiring smart card interaction
Identity verification and e‑government or e‑health applications
Desktop or laptop integration via USB for office environments
Key specifications
Model: ACR3901U‑S1 (Smart Card Reader ACS ACR3901U)
Interfaces: Bluetooth 4.0 and USB Full Speed (USB 2.0 cable)
Supported cards: ISO 7816 Class A/B/C (5 V / 3 V / 1.8 V), memory cards, T=0 and T=1 microprocessor cards
Data rate: up to 600 Kbps
Security: AES‑128 encryption
Compliance: PC/SC and CCID
Battery: rechargeable Lithium‑ion (portable use)
Compatibility: Android 4.3+, iOS 8.0+, Windows, Linux, Mac OS
Weight: 0.0308 kg
Colour: White
How to use
Charge the reader’s lithium‑ion battery before first use. For wireless operation, pair the ACR3901U with a Bluetooth‑enabled device following the device’s Bluetooth pairing procedure and any prompts from the reader’s companion app or system settings. For wired use, connect the reader to a computer via the included USB 2.0 cable. Install the appropriate drivers if required by the operating system; on most modern systems PC/SC and CCID support enables plug‑and‑play operation. Insert a smart card into the reader’s slot and use your application to read or write data in accordance with card protocols.
Usage recommendations
Keep firmware updated via the in‑field upgrade feature, use the Bluetooth connection in secured environments when handling sensitive data, and charge the device regularly to ensure reliable portable operation.

## Specifications

### Performance

| Feature | Value |
|---|---|
| Certification | EN 60950/IEC 60950
ISO 7816
USB Full Speed
Bluetooth®
EMV™ Level 1 (Contact)
PC/SC
CCID
CE
FCC
RoHS
REACH
VCCI (Japan)
MIC (Japan)
Microsoft® WHQL |
| Compatible products | e-Government
Mobile Banking & Payment
e-Healthcare
Network Security
Access Control
Public Key Infrastructure
e-Purse & Loyalty |

### Operational conditions

| Feature | Value |
|---|---|
| Operating relative humidity (H-H) | 0 - 85 |
| Operating temperature (T-T) | 0 - 60 |

### Power

| Feature | Value |
|---|---|
| Battery type | Built-in |
| Power source | Battery |
| Operating voltage | 5 V |

### Ports & interfaces

| Feature | Value |
|---|---|
| Interface | USB 2.0 |
| Compliance industry standards | ISO 7816 Parts 1-4, Class A, B, C (5 V, 3 V, 1.8 V |
| Supported protocols | T=0; T=1 |
| Bluetooth version | 4.0 |
| Bluetooth | Yes |

### Technical details

| Feature | Value |
|---|---|
| Mac compatibility | Yes |
| Product type | Universal smart card reader |

### Features

| Feature | Value |
|---|---|
| Frequency | 4.8 MHz |
| Software upgradeable | Yes |

### Battery

| Feature | Value |
|---|---|
| Battery technology | Lithium-Ion (Li-Ion) |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.0308 kg |
| Height | 94 mm |
| Width | 60 mm |
| Depth | 12 mm |

### Design

| Feature | Value |
|---|---|
| Cable length | 1 m |
| Product colour | White |

### System requirements

| Feature | Value |
|---|---|
| Windows operating systems supported | Y |
| Linux operating systems supported | Y |
| Other operating systems supported | Android |

## FAQ

### How much does the Smart Card Reader ACS ACR3901U cost, and is it available for purchase?

The price is 67.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 192 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 10.07.2026 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: 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 ACTIS 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 ACTIS 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

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: interface, weight, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

### Where can I download the instructions for Smart Card Reader ACS ACR3901U?

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/611639/56921949_large.webp