The pagers, deemed by Hezbollah to be safer than cellphones, were probably rigged with explosives before they were delivered to Lebanon, experts said.

The company, Gold Apollo, said it had not manufactured the devices, pointing to another company that it said was licensed to use its brand.

Two people from Taiwanese companies were questioned as part of a probe into pagers that exploded while being used by Hezbollah operatives in Lebanon, investigators said Friday, as top officials insisted the devices were not from the island.