The Rx1 DR Offset will be sent to the device in the Join Accept message in an OTA join. So a rejoin of the device after changing the Rx1 Offset in the network server would be needed.
Otherwise this command can be used to adjust the setting in current network session.
int32_t mDot::injectMacCommand(const std::vector
Inject the following MAC command
RxParamSetupReq => CMD | Rx1Offset & Rx2DR | Rx2 Frequency (LSB)
05 2 0 68E28C (923.3)
0x052068E28C
The gateway can transmit at a higher power than the mDot so this adjustment may not be needed if max power is used.