NFC B not supported ?

[raginhard76]

Describe the bug.

hey, I try to read NFC 14443-4B but i can't emulate or clone him..
( i'm noob with this ^^ and sry for my english, i'm french guy )

Reproduction

1. launch NFC
2. extra actions
3. Read Specific Car type
4. Read ISO14443-4b

Target

No response

Logs

Tech : ISO 14443-4 (NFC-B)
UID : ** ** ** **

::::::::::::::::[Protocol info]::::::::::::::::
Bit rate PICC -> PCD:
212kBit/s supported
424kBit/s supported
848kBit/s supported
Bit rate PICC <-PCD:
212kBit/s supported
424kBit/s supported
848kBit/s supported
Max frame size:128bytes
Max waiting time:0.077s
NAD : not supported
CID: supported

::::::::::::::::[Application data]::::::::::::::::
Raw: ** ** ** **

Anything else?

No response

[MMX]

Yes, NFC B is not supported fully