Can we use dp0503 as base and rover

first i’m sorry because i’m a complete newbie in rtk and m english is quet bad.

i try to use the rtk with auto configuration from mission planner and qground control but it cant work. i also try to update the firmware
UBX_M8_301_HPG_130_REFERENCE_NEOM8P2.59a07babb501ba6a89ff87cac2f 2765f.bin for base and UBX_M8_301_HPG_130_ROVER_NEOM8P0.3ee86a9e4775e3335e742b53527fa5 d0.bin for rover.

i also follow tutorial from this site

did i do something wrong?

thanks for the help.