Introduction
MR2S & MF7S are MIFARE® UID readers with 1-Wire and RS232 interfaces, designed to integrate with vehicle trackers and other controllers especially for drivers' IDs identification of authorized drives and tracing driving history.

With 10-48 VDC wide coverage of power input, it is convenient to install the reader in different vehicles.  It aims to offer more flexibility to build solutions at affordable cost, can be used alternatively for iButton and get your solution working with low cost MIFARE® cards.

Features
* Frequency: 13.56MHz
* Reads UID of 14443A MIFARE®  DESFire Ultralight card
* Supports data output interface: 1- Wire, RS232
* Supports the other 1- Wire input interface
* Available to install on metal surface
* Available to install in different vehicles
* Water Resistance

Specifications
Frequency:    13.56MHz
Card type:    ISO14443A MIFARE, DESFire, Ultralight
Output
interface:    1-Wire & RS232
Power input:  10-48 VDC

Current
Consumption:  about 30mA@12 VDC
Audio indication: internal LED and Buzzer
Dimension:    77 x 42 x 15 mm
Working Temp: -20 to 70 Deg C
Storage Temp: -30 to 80 Deg C
Operating Humidity: 10% to 90%
Safety approval: CE,FCC