MFC chip buy oneset or replace only the chip pcb.???

i ask already ron2pet about this matter by pm but sad to say no reply maybe busy

i want to know if allowed to buy only like this chip

i only 9months here on company but my boss also dont know if have warranty and dont know where the technician buy this mfc dongle i cannot see the serial number because already deads because of the update last year

this is the problem of mfc…-team-2036511/

my question is need to buy set or this chip pcb only

thank you for your answer mfc team