ST25R95 power

[MResa.1]

Hi ST Teams,

I did a certification test. But failed because the output power exceeded the limit for certain frequencies.
The weird thing actually is not in 13.56Mhz, but outside.
Result test:

I understand that this IC has fixed power output.
Do you think we can do anything from command to the IC or this must be to tune the antenna again to solve the issue?

Thanks & Best Regards,
Rezan

[Travis Palmer · Accepted solution]

Hello Rezan,

which standard are you testing against?

I am not familiar with any standard (FCC, CE/RED, CISPR) measuring in µW.

Here you can find measurement results of the NFC03A1.

https://fccid.io/YCPNFC03A1

Please let me also know your measurement configuration. (unloaded, tag in the field, another reader close by,..)

BR Travis