ACR123S RS232 NFC LCD Contactless Reader Writer

The rise of contactless technology is reshaping the buying behavior of consumers around the globe, increasing the need for a sturdy solution that can support contactless payment applications. The ACR123S has been specifically developed to meet this escalating demand.

The ACR123S Intelligent Contactless Reader is an economical, versatile, and smart contactless reader that can be effortlessly integrated into pre-existing POS (Point-of-Sale) systems or cash registers, thus providing the advantages of a cashless payment system. Built on the 13.56 MHz contactless (RFID) technology, it is compatible with any contactless card that abides by the ISO 14443-4 standard.

Serial RS232 Interface with RJ45 connector
USB interface for power supply
ARM 32-bit CortexTM-M3 Processor
Smart Card Reader:
- Read/Write speed of up to 848 kbps
- Built-in antenna for contactless card access, with card reading distance of up to 50 mm (depending on tag type)
- Support for ISO 14443 Part 4 Type A and B cards and MIFARE series
- Built-in anti-collision feature
- Three ISO 7816-compliant SAM slots
Built-in Peripherals:
- 16 alphanumeric characters x 8 lines Graphical LCD (128 x 64 pixels)
- Four user-controllable LEDs (Blue, Yellow, Green, and Red)
- User-controllable tapping region backlight (Red, Green and Blue)
- User-controllable speaker (Audio tone indication)

Physical Characteristics
Dimensions (mm)	Main Body: 159.0 mm (L) x 100.0 mm (W) x 21.0 mm (H)
Dimensions (mm)	With Stand: 177.4 mm (L) x 100.0 mm (W) x 94.5 mm (H)
Weight (g)	Main Body: 281 g
Weight (g)	With Stand: 506 g
Serial Interface
Protocol	RS-232
Connector Type	RJ45 Connector
Power Source	From USB Port
Cable Length	1.5 m, Fixed (RJ45 + USB)
Contactless Smart Card Interface
Standard	ISO 14443 A & B Parts 1-4
Protocol	ISO 14443-4 Compliant Card, T=CL
Protocol	MIFARE® Classic Card, T=CL
SAM Card Interface
Number of Slots	3 Standard SIM-sized Card Slots
Standard	ISO 7816 Class A, B, C (5 V, 3 V, 1.8 V)
Protocol	T=0; T=1
Built-in Peripherals
LCD	Graphical LCD with White Backlight
	Resolution : 128 x 64 pixels
	Number of Characters: 16 characters x 8 lines
LED	4 single-color: Blue, Yellow, Green and Red
Tapping Region	Tri-color backlight: Red, Green and Blue
Speaker	Audio Tone Indication
Other Features
Security	Tamper Switch (Internal anti-intrusion detections and protection)
Firmware Upgrade	Supported
Real-time Clock	Supported
Certifications/Compliance
Certifications/Compliance	ISO 14443
	ISO 7816 (SAM Slot)
	VCCI (Japan)
	KC (Korea)
	CE
	FCC
	RoHS 2
	REACH
Device Driver Operating System Support
Device Driver Operating System Support	Windows® CE
	Windows®
	Linux®