It's effects might have been intended as much for psychological as lethal results. This specific vector may be a one-and-done tactic but Hezbollah members would be foolhardy not to regard every electronic device that is, at minimum, younger than $pager_age with suspicion. At this point even if it's a wired copper POTS line I'd be asking the intern to take my calls and shout things out from a few rooms away.

Agree on the one shot thing. Makes you wonder if they got what they wanted, and if someone's pulling out their hair over wasting this attack...