Following is the contents of MIB for BL/CE (LTE-M1) :
MasterInformationBlock ::=          SEQUENCE {
    dl-Bandwidth                        ENUMERATED {n6, n15, n25, n50, n75, n100
},
    phich-Config                        PHICH-Config,
    systemFrameNumber                   BIT STRING (SIZE (8)),
    schedulingInfoSIB1-BR-r13           INTEGER (0..31),
    spare                               BIT STRING (SIZE (5))
}