Document Title
Revision: B
SR272A; SR272B Hardware User Manual
DAR/T272D/DES/2032
2 of 12
2.
Reader Specification
Physical
Dimensions
104 × 67 × 41
（
mm
）
(Config B Antenna size is 195 x 135 x 1 (mm))
Weight
160g
Technical
Operating System
Linux
Processor
Application: Freescale IMX6 ARM 9 Cortex
RF: Maxim M3 Secure Cortex
Memory
2GB DDR RAM and 2GB NAND Flash
Power Supply
DC12V via 10pin connector
DC5V via USB
Current Consumption
270mA (Typical)
NFC Features
Transmit Frequency
13.56 MHz
Protocols supported
ISO/IEC 14443-1 to 14443-4 A/B, ISO/IEC15693, Sony
Felica™, ECMA-340, ECMA-352 and ISO18092
Read Range
Memory based Card: up to 10cm, CPU based Card: up to 8.5cm
Cards supported
All ISO14443-X contactless cards
Interface Features
Alerts
Buzzer
LED Indicators
Power LED (X2), RGB status LED
Data Communication
USB Interface
USB Type C
Serial Interface
RS-232, RS-485
Environmental
Operating Temperature
-10°C ~ 70°C
Storage Temperature
-20°C ~ 85°C
Humidity
0% to 95%
Shock
Acceleration: 20g, Pulse duration: 11ms, Direction: 3
perpendicular axes, No of shocks: 5 per axes
Vibration
IEC-68 part 2-31 and DIN EN 60721-3-5 class 5M2
Anti-Corrosion
Conformal coated
