EMP Grenade

The EMP Grenade is a Special Grenade that appears in Call of Duty: Modern Warfare 3 and Call of Duty: Black Ops II.

Background
The is a hand-held, thrown grenade capable of emitting an electromagnetic pulse, disabling all electronics within its blast radius for a short period of time. It functions similar to the EMP killstreak. All electronics, up to and including drones, sentries, electronic sights, and the player's HUD.

Call of Duty: Modern Warfare 3
When thrown, it disables enemy equipment and electronics within the blast radius, also lightly stunning enemy targets. The severity of the effect depends on how close the enemy is to the explosion. It explodes about a second after throwing.

It will instantly disable enemy Recon Drones, Sentry Guns, Remote Sentries, SAM Turrets, I.M.S., Trophy Systems, and even depletes Assault Drones of their ammo, and may be used for painting a group of enemies when the player has the Recon perk equipped. It will take multiple EMP grenades to destroy AH-6 Overwatches. The throw time is faster than all other grenades in Modern Warfare 3, similar to the stun and concussion grenades featured in previous Call of Duty titles.

Equipments and killstreak rewards destroyed with the EMP grenade count towards SitRep Pro and Blind Eye pro respectively. Using Assassin Pro will cancel the effects of any thrown EMP Grenade.

Campaign
The EMP Grenade is available in campaign as part of the Create-a-Class setup.

It is very useful when comes to disable enemy turrets and drones so the player can destroy them in relative safety in the effect's duration. It is also useful for disabling enemy cloaking.

If the player is caught within its blast radius, their HUD will be scrambled for a short duration.

Multiplayer
"Disables enemy electronic systems."

- Create-A-Class Description.

The EMP Grenade returns in Call of Duty: Black Ops II, and is visually identical to its MW3 counterpart. The EMP grenade will destroy all enemy equipment caught in its radius, along with the Sentry Gun and Guardian. Drones such as the A.G.R. will require multiple EMP grenades to destroy.

Similar to the EMP scorestreak, any players affected by the EMP grenade will be unable to call in scorestreaks. This will not however affect currently active scorestreaks unless they are also within the EMP Grenade's radius.

Unlike the MW3 variant, EMP grenades in Black Ops II are omnidirectional and unaffected by cover. This means that you can destroy equipment and affect scorestreaks through any cover as long as it is within the EMP grenade's radius. Combining this with the Engineer perk can be very useful, and you can disarm a room full of equipment without ever entering it.

The EMP Grenade will also blind people, making for an improvised flashbang/concussion grenade. In addition, players receive ten points and an EMP assist should a teammate eliminate a hostile who was affected by the grenade, much like the EMP scorestreak.

Zombies
The EMP grenade also appears on zombies. If the player has the Monkey Bomb at the time and they get the EMP, it will replace them. The EMP effect is rather large and hazardous: it will disable the player's HUD, any nearby Perk-a-Cola machines, the Pack-a-Punch Machine, power-ups, the Bus Driver (whom can then be recharged with Turbine), Mystery Box and an active Monkey Bomb. These effects last for approximately two minutes. The EMP will not take any effect if thrown in a lava pit.

In addition, any zombies caught in the blast radius will be stunned and will walk around very slowly (or simply stand still) without bringing attention to the player. This effect lasts until any player sprints or shoots (jumping and normal walking is allowed). Walking near an individual zombie will also awaken it, but others will still be under the EMP effect. This can be used to buy time to do necessary tasks in the middle of a round, with more time than the Monkey Bomb allows, given no one sprints or shoots.

Due to these adverse effects, the EMP Grenade may not be very useful in Team or Solo Zombies gameplay, but in Grief mode, this can be a potentially very powerful weapon.

The EMP grenade will instantly kill the Avogadro. Upon impact, he will scream and die as a result, which is very helpful should he be present. Other than that, the EMP grenade is not entirely useful.

Achievement/Trophy
The Lights Of Their Eyes (5 / Bronze Trophy ) - In Green Run, pacify at least 10 zombies with 1 EMP.

Trivia

 * On the Wii version of Call of Duty: Modern Warfare 3, one EMP grenade can destroy a Pave Low, AH-6, or an Osprey.
 * When thrown at the Avogadro, he will disappear, just as if the player had killed him normally.
 * Zombies stunned by the EMP Grenade will have no glow in their eyes.