How to upgrade Retevis RA89 firmware?
RA89 is a new ham radio launched by Retevis. Now, we ha […]
firmware Update
How does the RA685 work with your Full band license
The RA685 applied for certification for the European En
How does the RA685 work with your Full band license Read More »
How to upgrade the firmware(4.05 CSV )on RT82?
How to upgrade the firmware(4.05 CSV )on Retevis RT82?
