topic Re: How do I inject current in the RFID system to increase the range? in NFC https://community.nxp.com/t5/NFC/How-do-I-inject-current-in-the-RFID-system-to-increase-the-range/m-p/858953#M4833 <HTML><HEAD></HEAD><BODY><P>sorry, we don't have the information about how to inject current to increase the range.</P></BODY></HTML> Tue, 05 Mar 2019 06:23:15 GMT jimmychan 2019-03-05T06:23:15Z How do I inject current in the RFID system to increase the range? https://community.nxp.com/t5/NFC/How-do-I-inject-current-in-the-RFID-system-to-increase-the-range/m-p/858952#M4832 <HTML><HEAD></HEAD><BODY><P>I have only the&nbsp; MFRC522 I.C. with the default design as shown in the datasheet of the I.C. on page 81 but from my ANTENNA knowledge I know if you inject more current in the system I may extend the effective range to more than 50mm but I am not sure how to do this plus If I use active card I can achieve this but how since the I.C. is very sensitive with low power mode (very preferable) I do not want to damage the I.C. ??? where a max. range is very preferable (in the order of 100mm or more)</P><P>P.S. I have this circuit made by a Chinese manufacturer and marketed as ARDUINO equipment!</P></BODY></HTML> Thu, 28 Feb 2019 17:49:55 GMT https://community.nxp.com/t5/NFC/How-do-I-inject-current-in-the-RFID-system-to-increase-the-range/m-p/858952#M4832 mnfsoft 2019-02-28T17:49:55Z Re: How do I inject current in the RFID system to increase the range? https://community.nxp.com/t5/NFC/How-do-I-inject-current-in-the-RFID-system-to-increase-the-range/m-p/858953#M4833 <HTML><HEAD></HEAD><BODY><P>sorry, we don't have the information about how to inject current to increase the range.</P></BODY></HTML> Tue, 05 Mar 2019 06:23:15 GMT https://community.nxp.com/t5/NFC/How-do-I-inject-current-in-the-RFID-system-to-increase-the-range/m-p/858953#M4833 jimmychan 2019-03-05T06:23:15Z