The most common and most likely answer to this crossword clue is the 7 letter word SAT-NAV
I've seen this crossword clue in Financial Times
S
A
T
-
N
A
V
More clues leading to the result SAT-NAV
Buddy explains!

The straight part
We know that "mobile technology" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case mobile technology = sat-nav.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does SAT-NAV mean?
SAT-NAV noun- Any electronic navigation system which uses space satellites as radio signal sources and position references.