Digi XBee 3 Cellular LTE-M User Manual page 205

AT commands
Parameter range
Parameter
0x0
0x1
0x2
0x3
0x4
0x5
0x6
0x7
0x8
0x9
0xA
Default
uBlox based modules: 0x9 (460800 baud)
Digi XBee® 3 Cellular LTE-M/NB-IoT Global Smart Modem User Guide
Serial interfacing commands
Description
1200 b/s
2400 b/s
4800 b/s
9600 b/s
19200 b/s
38400 b/s
57600 b/s
115200 b/s
230400 b/s
460800 b/s
921600 b/s
205