Firmware for PRT12MF-DES Series Access Readers 
Copyright Roger Sp.j.
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PRT12MF-DES_v1.0_fv1.0.8.126			08.07.2015
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First commercial version of the firmware.


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PRT12MF-DES_v1.0_fv1.0.18.150    		16.08.2016
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1. Fixed signalization when the card is present (System LED Flashing).
2. Modification of algorithms supporting CLK/DTA bus.
3. Improved support for input lines.


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PRT12MF-DES-BK_v1.0_fv1.0.30.260    	22.01.2021
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1.Fixed configuration error using the card.
2.Fixed LED signaling error.
3.Fixed bug in reading sectors of Mifare Plus cards encrypted with a B key.
4.Modification of CLK/DTA communication.
5.Improved Wiegand support.