- 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 and a Field Upgrade in Call of Duty: Black Ops Cold War, Call of Duty: Vanguard, Call of Duty: Warzone and Call of Duty: Modern Warfare III. The equipment is also briefly used in Call of Duty: Advanced Warfare.
Call of Duty: Black Ops[]
- "Electronic jamming device that disables nearby enemy radar and equipment."
- — Create-a-Class 2.0 description
Overview[]
When placed, the Jammer will jam anything which can be jammed in its radius to a varying degree. The Jammer can jam any piece of equipment, scramble mini-map on an enemy player's HUD, and jam nearby electronic killstreaks. The Jammer cannot destroy these items. The Jammer will also muffle the announcer's voice for players that are in the Jammer's vicinity.
Certain equipment that is near a jammer will cease function until the Jammer is either moved or destroyed. Others will only be jammed temporarily, with the severity of the down time dependent on how close the particular electronic is to the Jammer.
Due to the Jammer jamming the mini-map, the Jammer can be considered a partial counter to the Spy Plane and Blackbird, with the Jammer being the only potential item which can do anything to directly hinder Blackbird usage beyond attempting to fool the enemies.
The Jammer has a very large radius of effect, which is useful when using it to complete the Hacker Pro challenges, as this will give the user a lot of freedom to move around as they desire.
The Jammer's utility is highly dependent on what the enemies are doing. If the enemies are making extensive use of things such as Claymores, Motion Sensors, RC-XDs, and other electronics, the Jammer can be quite a nuisance to the enemy. Because of that, though, the Jammer tends to be a pretty big target, and the Jammer will tend to be destroyed by those who are annoyed by the Jammer's effects. It can be especially effective against opponents who guard their flank with Claymores, as the Jammer can disable the Claymore and allow the player and/or their allies to rush through that flank without fear of the Claymore destroying them, without needing to use tactical grenades. If the enemy is not making liberal use of such items when the user wants to deploy the Jammer, or if the user has trouble getting into a favorable position to deploy the Jammer, then the Jammer's usefulness dwindles severely. Hacker Pro users can also hack the Jammer and use it against the original user's team, so be mindful of if there is an enemy using such a perk.
Gallery[]
Call of Duty: Black Ops: Declassified[]
- "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 Warfare[]
In the campaign mission "Armada", Mitchell plants two jammers on the aircraft carrier's Rail Guns. He also uses one in "Bio Lab".
Gallery[]
Call of Duty: Black Ops Cold War[]
- "Creates an electronic disruption field, disabling enemy Field Upgrades and degrading enemy minimap information."
- — In-game description
The Jammer returns in Call of Duty: Black Ops Cold War as a Field Upgrade.
When placed, the Jammer disables all enemy Field Upgrades within its radius (except other Jammers) and will place a static circle on an area of enemy players’ Minimaps, preventing any players‘ or Scorestreaks’ locations from being revealed. Any players with the Jammer’s radius will also have their Minimaps scrambled, similarly to a Counter-Spy Plane. Enemy players with the Spycraft perk are immune to the Jammer’s effects, and can even hack the Jammer.
Although Jammers in Black Ops Cold War aren’t as visible as in previous iterations, they are instead much easier to track down, between the static circle they leave on the Minimap, and their constant sound cue alerting nearby enemies. Like all Field Upgrades, they can also be seen through walls by enemies with the Engineer perk. They award 100 points when destroyed, which is more than most other Field Upgrades.
In Hardcore modes, players are awarded points for destroying a teammate’s Jammer.
Jammers have both offensive and defensive utility. They can be laid down while advancing to stop the detonation of Proximity Mines or Gas Mines, or to stop a Trophy System from functioning, allowing players to toss Equipment while pushing forward as normal. When defending objectives, Jammers can prevent Spy Planes and HARPs from revealing players‘ positions, forcing enemies to use caution near them. Jammers are, unfortunately, also very fragile for their size, as a single bullet can destroy them, not to mention the blast from any wayward grenade.
Call of Duty: Vanguard[]
- "Jams the minimap of nearby enemies."
- — In-game description
The Jammer returns in Call of Duty: Vanguard as a Field Upgrade.
Call of Duty: Warzone[]
The Jammer returns in Call of Duty: Warzone as a Field Upgrade under the name Radar Jammer. It was added as part of the Season Three of Call of Duty: Vanguard.
It can be found on Caldera, Rebirth Island and Fortune's Keep as loot from Supply Drops, Loot Boxes and destroying the Armored Transport Truck. When activated, the mini-map for the team it is activated for, will appear blue while standing in the zone. For enemies, their will map will appear glitched.
Gallery[]
Call of Duty: Modern Warfare III[]
- "Disables communication with intel within its radius. Enemies will not be able to activate killstreaks. Enemy UAV and intel systems will detect you and your teammates. Location of the scrambler is visible in the enemy minimap."
- — In-game description
The Jammer returns in Call of Duty: Modern Warfare III as the Comm Scrambler and functions like in previous iterations.
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