Call of Duty MW4 DMZ
Heartbeat Sensor in Call of Duty MW4 DMZ.

Tactical

Heartbeat Sensor

Uncommon

Effects

  • Shows approximate nearby enemy positions

Characteristics

Cash value
TBA
Detection radius
TBA
Unlock level
TBA
Usage
Limited use
Max stack size
TBA
Printer category
Tacticals
Recipe unlock
Find this recipe in game to unlock.
Rarity
Uncommon

Crafting

Find this recipe in game to unlock. This is a printing condition; it does not restrict finding the item as loot.

How to use

Check the sensor for nearby threats before advancing.

Where to find

Print it at the FOB 3D Printer after meeting the listed recipe unlock and material requirements.

Progression tracks

Recipe materials

Printing station

Recorded progression unlocks

TrackLevelEntryType
Main Player / Multiplayer23Heartbeat SensorUnlock / reward

A Recipe entry unlocks printing; it is separate from receiving a ready-made item. Main Player/Multiplayer ranks do not establish a DMZ recipe, purchase price or loot restriction.

Printing and access

Find this recipe in game to unlock. This is a printing condition; it does not restrict finding the item as loot.

Required quantities below are per print. Owned counts and Max Printable are separate account state; they do not establish output quantity or maximum stack size.

Official launch updates

2026-10-21 — The publisher reports a PC performance fix when holding the Heartbeat Sensor with a weapon equipped. No measured frame-rate gain or sensor range change is supplied.

Screenshots