6.6.3F Spurious emission for category NB1 and NB2
36.1013GPPEvolved Universal Terrestrial Radio Access (E-UTRA)Release 18TSUser Equipment (UE) radio transmission and reception
When UE is configured for category NB1 or NB2 uplink transmissions the requirements in subclause 6.6.3 apply with an exception that boundary between category NB1 or NB2 out of band and spurious emission domain shall be FOOB = 1.7 MHz.