BM (Bandmask) (LTE-M) 
                Note This command is for use with only
Configures the enabled 4G 
Changes to the value only take effect on boot so a reboot or power cycle is required for any changes to become active.
Note The actual set of enabled bands will be a subset of this bit field, depending on the limitations of the cellular component.
WARNING! If this value is configured incorrectly, the XBee module may be unable to locate a tower and join the network.
Parameter range
0 - 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF (bit field)
| Bit | LTE Band | 
|---|---|
| 0 | 1 | 
| ... | |
| 127 | 128 | 
Example
0x080080 (bits 7 and 19) enable LTE Bands 8 and 20.
Default
0xFFFFFFFFFFFFFFFF (bands 1-64 enabled)
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