Synth Relay Grenade is an
Explosive Weapon in Fallout 4.
All explosives are affected by the Demolition Expert perk. This Weapon, like other explosives, is single-use only.
All explosives are affected by the Demolition Expert perk. This Weapon, like other explosives, is single-use only.
Synth Relay Grenade Information
- Synth Relay Grenade is a Faction Explosive -- it can be used to get aid.
- In particular, this grenade is used to spawn synth reinforcements at the marked location.
- The Demolition Expert perk doesn't affect the damage done by summoned allies. It only affects the damage done by the initial explosion of the grenade.
Where to Find/Location
- Obtained via a speech challenge during The Institute Quest: The Battle of Bunker Hill.
- Allies of The Institute purchase synth relay grenades from the Institute requisitions vendor after all Main Quests are completed.