ETEKJOY ACR122U NFC RFID 13.56MHz - Review

ETEKJOY ACR122U NFC RFID 13.56MHz Contactless Smart Card Reader Writer - A Professional Hardware with Limitations

The ETEKJOY ACR122U is a contactless smart card reader and writer with a USB interface, designed for professional use. It supports various frequencies, including Mifare, FeliCa, and all four types of NFC tags. However, it's important to note that the device doesn't come with any software. You have to get a third-party application or software to work with it. This could be a drawback for some users, especially those who are not tech-savvy or familiar with smart card technologies.

Design and Build Quality

The ACR122U has a sleek and modern design. The device measures 98mm x 65mm x 12.8mm and weighs 81g. It's compact and can easily fit into your pocket or bag. The reader has an LED indicator that blinks when a card is detected. The device comes with a 1-meter USB cable for connecting to your computer.

The build quality is solid, and the device feels durable. The reader is made of high-quality plastic, and the USB cable is sturdy. The buttons are responsive and have a good tactile feel to them.

Features and Functionality

The ACR122U supports frequency of 13.56MHz only. It doesn't work for other frequencies. The device is compliant with CCID standard and PCSC standard, making it compatible with various operating systems, including Windows, Linux, and MacOS. The ACR122U has a read/write speed of up to 424 kbps and can read cards from a distance of up to 50mm, depending on the tag type.

One of the best features of the ACR122U is its support for various types of smart cards, including ISO 14443 Type A and B, Mifare, FeliCa, and all four types of NFC tags. The device also supports new Mifare Ultralight C via pseudo APDUs and Mifare Plus SL1 with 4 Byte UID via pseudo APDUs and SL3. The reader-writer connects to your computer via USB cable, and you can use it to read and write data to smart cards.

Software Compatibility

The ACR122U doesn't come with any software, which could be a limitation for some users. You have to get a third-party software to use with the device. One of the popular software that works well with ACR122U is libnfc. libnfc is open-source software that supports various contactless smart card technologies, including the ACR122U.

The ACR122U is also compatible with various programming languages, making it easy to integrate into your software projects. The device comes with an SDK, which includes sample codes in C#, VB, and Java.

Performance

The ACR122U offers excellent performance and can read and write smart cards quickly. The device has a read/write speed of up to 424 kbps, which is fast compared to other smart card readers. The reader can read cards from a distance of up to 50mm, depending on the tag type. The LED indicator shows when a card is detected, making it easy to use.

Customers' Reviews

The ACR122U has received 4.1 out of 5 stars from 154 customers on Amazon. Some customers have praised the reader's build quality, ease of use, and excellent performance. Other customers have complained about the lack of software and the need to get a third-party software to use it. Some customers have also reported issues with compatibility with some operating systems.

Conclusion

The ETEKJOY ACR122U NFC RFID 13.56MHz Contactless Smart Card Reader Writer is a professional hardware with excellent features and performance. The device is compatible with various smart cards and supports various programming languages like C# and VB. However, it's important to note that the reader doesn't come with any software, which could be a drawback for some users. You have to purchase a third-party software to use it. If you are a professional user or a developer looking for a high-quality smart card reader-writer, the ACR122U might be the perfect choice for you.

ETEKJOY ACR122U NFC RFID 13.56MHz

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