ACS ACR3901U-S1 Wireless Bluetooth Smart Card Reader (ACR3901U-S1ACSA)
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The ACS ACR3901U-S1 (Manufacturer Part Number: ACR3901U-S1ACSA) is a compact contact smart card reader equipped with both wireless Bluetooth 4.0 and wired Micro-USB connectivity.
This battery-powered device links full-sized smart cards to mobile smartphones, tablets, and computers without requiring a physical cable connection. It handles card verification, secure network logins, and identification tasks across mobile and desktop applications.
Features
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Dual Interface Link: Operates wirelessly via Bluetooth Low Energy (Bluetooth 4.0) or through a wired connection via the included detachable Micro-USB cable.
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Data Security: Features hardware-level AES-128 encryption to secure transmitted data between the smart card and the paired host device.
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Card Frameworks: Supports standard full-sized ISO 7816 Class A, B, and C (5V, 3V, 1.8V) cards, microprocessor cards utilising T=0 or T=1 protocols, and common memory cards.
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Power Infrastructure: Runs on an internal rechargeable Lithium-ion battery that charges directly through any standard 5V USB port.
System Compatibility
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Windows: 7, 8, 8.1, 10, and 11
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macOS: 10.7 and newer
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iOS: Version 8.0 and newer
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Android: Version 4.3 and newer
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Linux & Solaris
Technical Specifications
| Feature | Details |
| Wireless Protocol | Bluetooth Low Energy (Bluetooth 4.0) |
| Wired Protocol | USB Full Speed (Micro-USB connector) |
| Read/Write Speed | Up to 600 Kbps |
| Encryption | AES-128 bit algorithm |
| Battery Type | Rechargeable Lithium-ion |
| Dimensions | 94.0 mm × 60.0 mm × 12.0 mm |
| Weight | 30.8 grams |
| Certifications | EMV Level 1 (Contact), PC/SC, CCID, CE, FCC, RoHS, REACH, MIC, VCCI |
