The Target Acquisition Guidance grenade is a throwable that aids the user in identifying threats.
I started with the base game Pulse Grenade mesh, removing the Tesla coil and adding the red button and transparent dome from the Missile Launcher.
The following properties, perks and challenges apply to this weapon:
Attacking with this weapon is considered a “Minor Crime”, meaning that only the victim will become aggressive without turning their entire faction hostile.
The grenade sends out regular pulses (one every 3 seconds) that will highlight enemies within a roughly 50-foot radius. The deployed grenade can be picked up and carried to change the radius of effect.
Judging by the “ping” sound emitted by the grenade, and the red shader it applies to hostile targets, it would appear to work based on some combination of SONAR and LIDAR technology.