Phantom Device

The phantom device is a consumable item in Fallout 76.

Characteristics
The phantom device is a recreation of the device used by the fictional character Mistress of Mystery. Frederick Rivers built and programmed a fabricator for the Order of Mysteries to create them when provided with Stealth Boys and HalluciGen gas canisters. Besides providing the invisibility of a Stealth Boy, the phantom device also generates a cloud of HalluciGen gas laden smoke which frenzies nearby creatures.

Location
Recipe to create it is obtained by reading the holotape Order of Mysteries - The Phantom Device, then constructing it at Riverside Manor.