The High Gain Antenna is the headline player project from Arc RaidersFlashpoint update, and it's a grind worth taking seriously. Across three construction tiers, you'll donate Arc robot components to build a topside monitoring system for Celeste and Shani, earning weapon blueprints, attachments, and a legendary Snap Hook along the way. The total Raider Token payout across all stages sits at 500, which alone makes this worth your time.
What is the High Gain Antenna project in Arc Raiders?
The High Gain Antenna is a three-stage player project introduced in the Flashpoint update (patch 1.22.0). Like the earlier Trophy Display and Weather Monitor System projects, you donate specific items to a workbench construction project in exchange for gear rewards. Each stage unlocks after you complete the previous one, and you can store materials for later stages in your stash ahead of time, which is worth doing from day one.
Unlike some earlier projects, there's no confirmed expiry date on the High Gain Antenna as of launch. That said, the Weather Monitor System project ended without much warning, so treating this like it has a deadline is the smarter approach.
All three stages: materials and rewards
Here's every requirement and reward across all three construction tiers, confirmed via the Flashpoint update patch notes and community progression.
Stage 1 workshop view
Stage 1: Sturdy Base
| Required Item | Quantity | Where to find it |
|---|---|---|
| Arc Alloy | 50 | Drops from any Arc machine; also obtainable by recycling Arc materials |
| Arc Flex Rubber | 10 | Rare drop from high-tier Arcs: Bastions, Bombardiers, Leapers, Sentinels |
| Arc Performance Steel | 10 | Rare drop from high-tier Arcs: Bastions, Bombardiers, Leapers, Sentinels, Hornets, Surveyors |
| Advanced Arc Powercell | 15 | Rare drop from high-tier Arcs: Comets, Bastions, Bombardiers, Leapers, Sentinels, Hornets, Surveyors |
Stage 1 rewards:
- Torrente (level 2)
- Extended Medium Mag (level 3)
- Extended Barrel
- Padded Stock
The Arc Alloy requirement is the easiest part of this stage since it drops from any Arc robot. The real bottleneck is the 10 Arc Flex Rubber and 10 Arc Performance Steel, both of which only fall from high-tier machines. Bastions and Surveyors are your best targets for stacking all three rare materials simultaneously.
Stage 2: Data Logger
| Required Item | Quantity | Where to find it |
|---|---|---|
| Arc Coolant | 15 | Rare drop from mid-tier Arcs: Comets, Fireballs, Pops, Sentinels, Surveyors |
| Arc Thermo Lining | 15 | Rare drop from mid-tier Arcs: Comets, Fireballs, Pops, Snitches, Ticks, Turrets, Wasps |
| Vaporizer Regulator | 4 | Kill and loot Vaporizers, which spawn frequently during the Close Scrutiny map condition |
| Assessor Matrix | 6 | Loot Arc Assessors during Close Scrutiny map condition matches |
Stage 2 rewards:
- Bobcat (level 3)
- Extended Light Mag (level 3)
- Vertical Grip (level 3)
- 100 Raider Tokens
Stage 2 is where the project starts requiring Flashpoint-specific content. Vaporizer Regulators only drop from Vaporizers, the new aerial machines introduced in this update. They look similar to Rocketeers, so don't confuse the two. Assessor Matrices come from breaching Arc Assessors, which appear exclusively during the Close Scrutiny map condition.
Stage 3: Parabolic Dish
| Required Item | Quantity | Where to find it |
|---|---|---|
| Surveyor Vault | 10 | Kill and loot Surveyors (the large ball machines); common during Close Scrutiny |
| Arc Synthetic Resin | 20 | Rare drop from Sentinels, Shredders, Snitches, Spotters, Turrets, Wasps; also found in Baron and Deforester Husks |
| Vaporizer Regulator | 15 | Kill and loot Vaporizers during Close Scrutiny map condition matches |
| Assessor Matrix | 18 | Loot Arc Assessors during Close Scrutiny map condition matches |
Stage 3 rewards:
- Vita Spray
- Photoelectric Cloak
- Snap Hook (legendary)
- 400 Raider Tokens
Stage 3 is the real investment. You need 15 more Vaporizer Regulators on top of the 4 from Stage 2, plus 18 Assessor Matrices compared to Stage 2's 6. The Snap Hook is the standout reward here, and the 400 Raider Tokens make this tier alone worth completing even if you skip the earlier stages.
What's the best way to farm materials for the High Gain Antenna?
The Close Scrutiny map condition is the single most efficient way to progress this project past Stage 1. It increases Arc material loot across the board, spawns more high-tier machines including Surveyors and Vaporizers, and puts Assessors on the map for Matrix farming. Whenever Close Scrutiny is active, prioritize it over standard raids.
For the Stage 1 materials, any raid with heavy Arc presence works, but Bastions give you the best overlap across Arc Flex Rubber, Arc Performance Steel, and Advanced Arc Powercell in a single kill. Bring a loadout built for sustained Arc combat rather than extraction speed.
A few practical tips that save time:
- Pre-farm Stage 2 and 3 materials during Close Scrutiny runs even before finishing Stage 1. Assessor Matrices and Vaporizer Regulators stack in your stash.
- Surveyors are efficient for Stage 3 because each kill contributes both Surveyor Vault drops and potential Arc Performance Steel for Stage 1 if you're still working through it.
- Shredders became more common across multiple maps in the Flashpoint update, making Arc Synthetic Resin more accessible than it was previously.
For more on what's new in the Flashpoint update and beyond, browse the latest Arc Raiders guides to stay ahead of the meta.
