No issues with Rogers 5G in my area.
You could always try Resetting your Network Settings. Reboot.
Go to Settings & Search for "Reset" > Reset Network Settings.
You can try powering off your device & Remove & Reinsert the SIM.
If you still have issues with Rogers 5G & Contact Rogers to see if they can Reset your Network Connections from their end.
Open Samsung Members app > Click on Support & Phone Diagnostics. Run the Diagnostics for the SIM.
See if you get any error messages.
You could always get a new replacement SIM from Rogers.