Will my 900mhz A321 Base Station work with an A631 Rover Sidney Paech February 01, 2023 14:03 Updated Follow Yes, the A631 rovers are able to work with 900mhz A321 Base Station. Related articles How much is a Base Station? Setting up the A631 RTK Rover New Vehicle Profile on Rebel (Video) What do the indicator lights on my A320 and A321 mean? Why is the top line of my A321 displaying SBAS instead of GNSS?