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ARC Raiders quest guide

ARC Raiders Lost in Transmission: Control Tower A6 and the Key

Lost in Transmission ARC Raiders is a Shani quest on Spaceport that requires the Spaceport Control Tower Key and a trip to the top of Control Tower A6. Equip the key before deploying and protect it in a safe pocket if possible. The quest must be finished in one round, but you do not need to extract after establishing the connection.

Trader
Shani
Map
Spaceport
Prerequisite
Our Presence Up There
Key
Spaceport Control Tower Key
Single round
Yes
Extraction
Not required
At a glance

Quick Answer

  • Equip the Spaceport Control Tower Key before deploying and keep it protected.
  • Go to Control Tower A6 near the middle of Spaceport.
  • Check whether a lower locked door is already open before using your key.
  • Take the elevator-shaft zipline upward, then use the terminal at the top.
  • Finish everything in one round; extraction is not required.
Before deploying

Lost in Transmission Requirements

Complete Our Presence Up There, bring the Spaceport Control Tower Key into the raid, and deploy to Spaceport. Put the key in a safe pocket if possible so a bad approach does not cost the quest item.

  • Our Presence Up There completed.
  • Spaceport access.
  • Spaceport Control Tower Key equipped before deployment.
  • Smoke grenades or mobility items are useful for crossing exposed sight lines around A6.
Location

Where to Find Control Tower A6

Control Tower A6 stands near the center or lower middle of Spaceport beside Vehicle Maintenance and Container Storage. It is tall, easy to identify, and marked with a large A6.

Community callouts sometimes use names such as Ground Control or Central Tower, but the in-game landmark is Control Tower A6. The area is heavily contested, so arriving very early or after the first wave of fighting can be safer than walking in at peak traffic.

Key mechanics

How the Spaceport Control Tower Key Works

The Spaceport Control Tower Key opens the lower access route to the elevator-shaft zipline. Treat it as a consumable quest-critical item: check whether either accessible locked doorway has already been opened by another player before spending your own key.

If you arrive without the key or lose it, you can only continue if an access door is already open. Otherwise, you will need another key from normal loot before retrying.

Route

How to Reach the Top of Control Tower A6

Reach the top by entering under the A6 marker, opening a lower locked access door, and riding the zipline in the elevator shaft upward.

  1. Enter through the doorway beneath the large A6 marker.
  2. Move through the lower rooms and look for a locked access door leading toward the elevator shaft.
  3. Open the route with the Spaceport Control Tower Key if no one has already opened it.
  4. Ride the elevator-shaft zipline upward.
  5. Climb the final stairs and find the terminal on the left.
Final objective

How to Establish the Connection

Establish the connection by holding the terminal interaction until the signal finishes transmitting. Do not treat it as a quick tap; stay on the interaction long enough for the progress to complete.

Once the signal is established, the quest is complete. You do not need to extract, but all objectives must be finished in that same round.

Completion

Lost in Transmission Rewards

RewardTypeNote
Quest completion rewardsQuest rewardCheck the in-game reward panel when turning in the quest for the current reward set.
Quest chain

What Comes After Lost in Transmission

Completing Lost in Transmission unlocks Communication Hideout, continuing Shani's quest line.

Quick answers

Frequently Asked Questions

Is the Spaceport Control Tower Key single use?

Treat it as single use for planning purposes and check whether an access door is already open before using it. That prevents wasting the key when another player has already opened the route.

What if you lose the Spaceport Control Tower Key?

You can still complete the quest if another player has already opened the lower access route. If every required door is closed, you need to find another key before retrying.

Where can you find another Spaceport Control Tower Key?

Replacement keys come from normal loot. Search containers and office-style loot areas rather than relying on a single fixed spawn.

How do you unlock Lost in Transmission?

Complete Our Presence Up There, then return to Shani for the next quest.

Do you need to extract to complete Lost in Transmission?

No. You must complete the objectives in one round, but the quest finishes when the terminal connection is established.

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