Because they're not S.P.E.C.T.R.E. It's a separatist group whose more extreme members resort to terrorism, not much differently than IRA, Basque Nationalists or Bosnian Indipendentists.

Their supply channel is the same as the civilian population, they're not shopping for vibranium from Hydra.

It would be interesting if we could trace the local distributor for those devices and see where they were available at retail, it would probably match the areas in Lebanon where members of hezbollah are commonly located.