French phrase
Le débit varie entre ~ et ~.
Meaning
The connection speed varies between ___ and ___.
When to use it
The connection speed changes within a stated range. It is used to report factual variation in internet performance or data transfer.
Example dialogue
Le débit varie entre 10 et 50 mégabits par seconde.
The connection speed varies between 10 and 50 megabits per second.
Ah d'accord, donc la connexion peut être instable.
Ah, I see, so the connection could be unstable.