topic Re: PN532 and Java card in NFC https://community.nxp.com/t5/NFC/PN532-and-Java-card/m-p/1010094#M6651 <HTML><HEAD></HEAD><BODY><P>Hi&nbsp;<A _jive_internal="true" class="" data-content-finding="Community" data-userid="344605" data-username="anmol.workmails@gmail.com" href="https://community.nxp.com/people/anmol.workmails@gmail.com">Anmol Kohli</A>,</P><P>Hope you are doing great, on software side there is not much you can do, since this device does not have a DPC ( Dynamic power control), maybe you can try to redesign the antenna of your reader to match with you tags antenna, a 1 to 1 design in order to improve the performance or play with the power of the antenna.</P><P></P><P>BR</P><P></P><P>Jonathan</P></BODY></HTML> Mon, 20 Jan 2020 16:51:58 GMT Jonathan_Iglesias 2020-01-20T16:51:58Z PN532 and Java card https://community.nxp.com/t5/NFC/PN532-and-Java-card/m-p/1010092#M6649 <HTML><HEAD></HEAD><BODY><P>I have designed PN532 module with antenna(attached) 30mmX22mm to work with java cards. I wanted increase its range. is it possible to do by modifying registers or on software part.</P><P></P><P>i am using adafruit library.</P><P></P><P>My test result</P><P>with MIFARE classic the range is 3cm</P><P>NXP java-card J3A040 CL the range is 1cm</P><P>NXP daul interface java-card is less than 1cm</P></BODY></HTML> Tue, 14 Jan 2020 13:30:42 GMT https://community.nxp.com/t5/NFC/PN532-and-Java-card/m-p/1010092#M6649 anmol_workmails 2020-01-14T13:30:42Z Re: PN532 and Java card https://community.nxp.com/t5/NFC/PN532-and-Java-card/m-p/1010093#M6650 <HTML><HEAD></HEAD><BODY><P><span class="lia-inline-image-display-wrapper" image-alt="Antenna dimension.png"><img src="https://community.nxp.com/t5/image/serverpage/image-id/84158i5F8B9E873AEFD0B2/image-size/large?v=v2&amp;px=999" role="button" title="Antenna dimension.png" alt="Antenna dimension.png" /></span></P></BODY></HTML> Wed, 15 Jan 2020 08:43:07 GMT https://community.nxp.com/t5/NFC/PN532-and-Java-card/m-p/1010093#M6650 anmol_workmails 2020-01-15T08:43:07Z Re: PN532 and Java card https://community.nxp.com/t5/NFC/PN532-and-Java-card/m-p/1010094#M6651 <HTML><HEAD></HEAD><BODY><P>Hi&nbsp;<A _jive_internal="true" class="" data-content-finding="Community" data-userid="344605" data-username="anmol.workmails@gmail.com" href="https://community.nxp.com/people/anmol.workmails@gmail.com">Anmol Kohli</A>,</P><P>Hope you are doing great, on software side there is not much you can do, since this device does not have a DPC ( Dynamic power control), maybe you can try to redesign the antenna of your reader to match with you tags antenna, a 1 to 1 design in order to improve the performance or play with the power of the antenna.</P><P></P><P>BR</P><P></P><P>Jonathan</P></BODY></HTML> Mon, 20 Jan 2020 16:51:58 GMT https://community.nxp.com/t5/NFC/PN532-and-Java-card/m-p/1010094#M6651 Jonathan_Iglesias 2020-01-20T16:51:58Z