Portal Frackers are items that temporarily double a Portal's hacking output. As with all premium items, Frackers cannot be hacked, dropped, recycled, or inserted into Capsules 
. You can only obtain them by purchasing them from the store.
When deployed, a Fracker lasts for either 10 minutes, or 150 hacks total among all Agents, whichever comes first. Frackers are not Portal Mods, they do not occupy a mod slot and can be applied to a fully modded Portal.
During the time that the Fracker is active, the Portal's hack yield for all Agents is doubled. It is not simply that average yield of the Portal is doubled, but each item hacked from the Portal is then duplicated. Thus, with a Fracker you can hack up to eight Portal Keys 
with a single hack, which is not possible without one. The doubled items will not necessarily have the same rarity, however; you might end up with a Rare and a Common Portal Shield 
rather than two Rare Portal Shields 
, for example. A Fracker has no effect on the Portal's cooldown and burnout rules.
When a Fracker expires, it removes 50% of each Resonator's 
remaining health (a second Fracker would reduce that to 25%). This is occasionally used to tactical advantage, to reduce a well-guarded Portal's health, as Fracker damage does not send an alert to the Portal's owner(s) in COMM.[1]
