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T-UGS sensors being deployed by the US Army in reality

A Tactical Unattended Ground Sensor or T-UGS is a deployable motion sensor. It collects seismic, acoustic, radiological, and electro-optic data to track any movement in its range. The T-UGS can track, classify, and identify any target within its range and relay it to across the network in almost real time to a platoon size element of soldiers as an early warning device.

Battlefield 3[]

"The Tactical Unattended Ground Sensor uses motion sensors to detect the presence of vehicles and infantry. The sensor emits an audible beep on detection and can be avoided by moving at low speed. "

— Battlelog description

The T-UGS is a gadget featured in Battlefield 3 as a part of the Recon class and replaces the Motion Sensor seen in Battlefield: Bad Company 2. Only one may be deployed at a time, only capable of being deployed on relatively level ground. The T-UGS is a stationary gadget that beeps when detecting movement. The T-UGS will show the sensed motions to the friendly briefly on the minimap for about half a second. The T-UGS is destroyed when the player who placed it is killed and respawns.

If a player crouches or goes prone within range of an enemy T-UGS, they will not be detected. The actual hitbox of the T-UGS encompasses the lower half of the device. No damage will be done to the T-UGS if the top half is hit. It can be destroyed with few bullets, an explosive, or one single knife attack.

Battlefield 4[]

"Tactical Unattended Ground Sensor which detects enemy movement in 25m radius and reports it to your team's minimap."

— Battlelog description

The T-UGS is a motion sensor gadget featured in Battlefield 4 for the Recon class. T-UGS have a small profile, and can easily be hidden in corners or behind props without being seen. A Recon with T-UGS equipped always spawns with one T-UGS, but can replenish their equipment through a commander supply drop or a Support Ammo Box. Like most deployable equipment, two T-UGS cannot be deployed simultaneously by the same player: doing so will cause the first deployed T-UGS to despawn.

Every few seconds, a T-UGS will emit a pulse that reaches in a 25-meter radius (35 meters if Level 3 of the Spec Ops Field Upgrade is active), creating an audible beep and temporarily displaying the location of any enemy in range on the minimap for the length of the pulse. The range of the pulse is not blocked or impeded by any objects including doorways, walls, or other props.

It should be noted that T-UGS, similar to other motion sensors, can detect enemies vertically as well as horizontally, even if it is blocked by a roof or floor. T-UGS are a more reliable and long term motion sensor for an area compared to throwable motion sensors, because T-UGS are permanent (unless destroyed by an enemy).

Like all motion sensors, T-UGS cannot detect enemies that are standing still, or are moving in a crouched or prone position.

Battlefield 2042[]

"Deploys a device that detects nearby enemy movement and displays it on the minimap."

— In-game description

The T-UGS is a gadget featured in Battlefield 2042, originally exclusive to the BF3 Recon class in Battlefield Portal. As of Escalation season, the gadget is now available to all 2042 Recon specialists.

The T-UGS is a stationary gadget that beeps when detecting movement. Functioning in the same manner as its Battlefield 3 counterpart, it will show enemy players on teammate minimaps for approximately half a second. If a player crouches or goes prone within range of an enemy T-UGS, they will not be detected. Only one may be deployed at a time, only capable of being deployed on relatively level surfaces. The T-UGS can be destroyed with few bullets, an explosive/EMP, or one single knife attack. However, due to volume and display issues, T-UGS is much more difficult to detect compared to Prox Sensor, and has a larger scan radius.

When aimed by crosshair, even a friendly T-UGS will not display a mini icon in player's HUD. This makes it somewhat difficult to find it on the map.

The difference is that the T-UGS in the 2042 base game will not be destroyed when its deployer is killed; even after the player switches to another gadget, the T-UGS that has been placed will still remain until the player died again. Versus its original BF3 version, the hit box is less particular, with the top end of the T-UGS susceptible to gunfire. Considering the significant proliferation of explosives in 2042, players should always be aware of whether their T-UGS has been destroyed.

For BF3 Portal, T-UGS is a "default" or "innate" gadget for Recon class that unable to be removed, like the Repair Tools for Engineers.


Battlefield 3[]

  • During BF3 Beta, it was possible to place two T-UGS at the same time.
  • T-UGS sensor (without its tripod) is used as the main working part of the Scan Bolt.
  • T-UGS function unusually in Close Quarters expansion packs. Due to the design of each map, different minimap layouts are used for each floor and switch in-between depending on what level floor the player is present. Because of this, the T-UGS can only display enemy positions on the same floor the player both deployed it and is present at the same time, but cannot detect enemy movements on floors above or below the one both the player and the T-UGS is present in. This discrepancy regularly causes confusion and can force players to be caught off guard when travelling between floors. This discrepancy does not affect any other maps outside of Close Quarters expansion pack as they only utilize no more than one minimap layer.

Battlefield 4[]

  • Unlike in Battlefield 3, if a Recon dies with a T-UGS deployed, the T-UGS will not vanish if the Recon respawns, and will still operate. The T-UGS will vanish, however, if the Recon deploys another T-UGS or respawns without equipping the T-UGS.
  • It should be noted that unlike a T-UGS in Battlefield 3, their hitboxes are applied to the entire model, and not just at the base.

External Links[]

T-UGS on Wikipedia