ACR1252U-DOT contactless reader
Product:   Credential type(s): Contactless NFC 
 Read/Write: Read and Write 
 Form factor: Portable 
 Connector: USB CCID (Standard 2.0 Type A connector) 
 OS support: Windows; Linux; Mac OS; Android  
Contactless Card Interface:   Contactless interface standard: ISO/IEC 18092 NFC, ISO 14443 Type A & B, MIFARE, FeliCa 
 Contactless credential types: ISO 14443 Part 4 Type A and B cards / MIFARE Classic / FeliCa / NFC Forum Tags Type 1-4 
 Contactless operating frequency: High (13.56MHz) 
 Data transmission protocol: T=CL 
 Contactless operating distance: Up to 50mm (2.0in) 
 Contactless read/write speed: Up to 424kbps   
Host Interface:   Host interface standards: PC/SC , CT-API (through wrapper on top of PC/SC) 
 Host data transmission speed (wired): 12 Mbps (USB full speed)   
Other Features:   Anti-collision: only one tag accessed at any time 
 Status indicator: 1 bi-colour LED (red/green), Monotone buzzer 
 Firmware in-field upgradeable: Yes   
Certifications:   Type approvals: CE, FCC, UKCA, RoHS, REACH, WEEE, IEC 62368, NFC Forum 
 Application approvals: TELEC (Japan), J-LIS (Japan), VCCI (Japan), KC (Korea), BIS (India) 
 Country of origin: China   
Physical:   Dimensions: 98 x 65 x 12.8mm (3.9 x 2.6 x 0.50in) 
 Weight (±5%): 81g (2.9oz) 
 Cable length supplied: 1m (39in) captive 
 Colour: Matt black   
Power:   Supply voltage: 5V 
 Operating current: 200mA (max) 
 Battery power option: No   
Environment:   Operating temperature: 0 to 60degC (32 to 140degF) 
 Operating humidity: Up to 90% RH (non-condensing) 
 MTBF: 500 000hrs   
Manufacturer's part number: ACR1252U-DOT (Previously supplied as ACR1252U-M2) 
 Country of origin: China 
HSF code: 84719000
Manufacturer: ACS
Connection Method: USB