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For a similarly named pointstreak in Call of Duty: Ghosts, see Ground Jammer.
For a similar equipment in Call of Duty: Modern Warfare 3, see Scrambler (equipment).
For a perk with similar effect in Call of Duty: Modern Warfare 2, see Scrambler (perk).

The Jammer is a placeable piece of equipment in Call of Duty: Black Ops and a Tier 1 perk in Call of Duty: Black Ops: Declassified. The equipment is also briefly used in Call of Duty: Advanced Warfare.

Call of Duty: Black OpsEdit

"Electronic jamming device that disables nearby enemy radar and equipment."
— Create-a-Class 2.0 description


It has a similar function to the Scrambler perk in Call of Duty: Modern Warfare 2. It also has the function of disabling voice announcements to any enemy players within its proximity, and disabling any enemy equipment within its proximity. However, it must be placed at a certain location and will only affect players that are close to it. Becuase of the small radius and the loud noise it makes, it's a questionable choice of equipment to use, outside of getting challenges done. It's best discarded in favor of a different piece of equipment, mainly C4 or the Motion Sensor


Call of Duty: Black Ops: DeclassifiedEdit

"Undetectable to Spy Planes, Sentry Guns, and Attack Helicopters."
— In-game description.

Jammer appears in Call of Duty: Black Ops: Declassified as a Tier 1 perk.

Call of Duty: Advanced WarfareEdit

In the campaign mission "Armada", Mitchell plants two jammers on the aircraft carrier's Rail Guns. He also uses one in "Bio Lab".


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