Specifications Rfid Reader Writer pcb board TTL RS232 Interface YHY522, support HF 14443 A card, 3.3V , with small size and low price

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13.56MHz RFID card Reader/Writer Module ISO 14443A ? Product Description ??

Special Features
Model No	YHY522
Frequency	13.56MHz
Communications Interface	RS232
Supported cards	ISO14443A Classic1K, Classic 4K
Typical Operating Distance	0 -- 50 mm
Operating Voltage	DC 2.7-3.6 V
Display	1 LED indicator, 3 programmable I/O pins
Buzzer alarm (software controlled)	Watchdog timer
SIZE	58mm × 35mm × 6mm
Weight	10g

? l Complete Read/Write module with built-in transceiver antenna l Auto checks for presence of tags and output interrupt information l Auto read/write data from RFID tag l Auto operate value from epurse l Easy LOCK/UNLOCK function to protect RFID information l Encrypted EEPROM to store configured data and up to 40 groups of keys ? l RS232(TTL) Interface, baud rate up to 230400bps l Fast data transfer -Contactless communication up to 106KHz l Secure Encrypted contactless communication l Ideal for emoney, secure access and fast data collection applications ? ? ? ? ? ? Similar Products ? Ehuoyan supplies 13.56MHz RFID OEM Reader Writer Modules.
Excepting YHY502CG, both the other reader modules integrate all necessary components and antenna on one PCB. As a component part, they are easy to be embedded in your device. ?
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Model No.	YHY523R	YHY523U	YHY502CTG++	YHY502CTG	YHY522	YHY502CG
?	?	?	?	?	?	?
Frequency(Hz)	13.56M	13.56M	13.56M	13.56M	13.56M	13.56M
Tag supported	Classic 1K, Classic 4K, FM11RF08	Classic 1K, Classic 4K, FM11RF08	Classic 1K, Classic 4K, FM11RF08	Classic 1K, Classic 4K, FM11RF08	Classic 1K, Classic 4K, FM11RF08	Classic 1K, Classic 4K, FM11RF08
Auto Detecting	----	----	yes	yes	yes	yes
Integrated Antenna	yes	yes	yes	yes	yes	no
Reader / Writer	yes	yes	yes	yes	yes	yes
Interface	RS232	USB	RS232	UART	UART	UART
Supply Voltage (VDC)	5.0V	5.0V	5.0V	3.3-5.0V	3.3V	3.3-5V
Dimension(mm)	70*70*10	70*70*10	57 ×34× 6	57 ×34× 6	58 *35 * 6	40 ×20× 6

? ? ? ? ? Ehuoyan supplies 125KHz LF and 13.56MHz HF RFID proximity desktop readers and writers.

YHY101U is 125KHz desktop reader only, with USB interface.

YHY202D,? ER300D is 13.56MHz USB reader only.

ER301, YHY638AU ,YHY638FU is 13.56MHz desktop reader and writer, with USB interface. ? ER300L,ER302 is NFC Reader and Writer ? ? Company Information ?? ? Ehuoyan Technology provides LF and HF Radio Frequency Identification (RFID) productsand services to customers in animal,food,safety,retail, consumer goods, manufacturing, defense, transportation and logistics, pharmaceuticals and other industries.
Our mission: Provide high quality RFID reader/writer,RFID module,RFID antenna. ? Packaging & Shipping Shipment ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? We usually ship the goods via global express, such as DHL, FedEx and UPS if gross weight less than 45kg. ? Package ? All the goods are packed with carton.
? Our Services One year warranty from the date of delivery A lifetime technical support We can provide online supports for you when need helps. ? FAQ?? Payment Escrow, PayPal, T/T and L/C are accepted. For sample order, please check our Aliexpress E-shop: http://www.aliexpress.com/store/101297 Lead time Samples: 2 - 3 business days.
Small order: 1 - 2 weeks.
Batch order: negotiable. ?? ? ? ?