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Memo Beacon is an AIC building in Arknights: Endfield. See how to unlock Memo Beacon, how to use the Memo Beacon, how to craft, and more!
To be able to build the Memo Beacon, players need to unlock the Memo Becon Technology Node in the AIC Planning Interface. This node can be found as part of the Exploration Tree, in the Basic II Tier.
| Memo Beacon Crafting Materials | ||
|---|---|---|
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To craft a Memo Beacon, you will need Amethyst Parts, which can be made by refining Amethyst Ore and passing the resulting Amethyst Fiber through a Fitting Unit.
| Memo Beacon Usage |
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You must first craft Memo Beacons using 10 Amethyst Parts. This can be done while inside any of your AIC areas.

Once you have crafted Memo Beacons, you can start placing them. You can do this by opening your Backpack, selecting the Memo Beacon, then selecting Place. Alternatively, you can also switch to AIC Mode, select the Memo Beacon under the Miscellaneous tab, then selecting Place.
Which Items to Keep In Your Backpack

After trying to place a Memo Beacon, you will be asked to input your Memo Beacon's message. While in this menu, you can select up to three pre-made messages to string together what you are trying to say. It is important to note that you cannot input custom messages onto a Memo Beacon.

Once you have confirmed your Memo Beacon's message, you can then place them in the overworld. Memo Beacons take up a 1x1 space, and can be rotated like other AIC Facilities. Once you are satisfied with its orientation and location, you can then place the beacon down.
| AIC Building Information | ||
|---|---|---|
Memo Beacon
|
Tree | Exploration |
| AIC Tier | Basic II | |
| Node | Memo Becon Technology | |
| Research Cost | 1 Index Pt(s). | |
| Area | 1x1 | |
| How to Use | ||
| A facility used to post and leave beacon memos for other players to see. It may include icons or special messages that you want other players to see when they chance your beacon in their world. | ||

AIC Factory and Base Building Guide
| List of All Building Types | ||
|---|---|---|
| Resourcing | Logistics | Processing |
| Power | Combat | Exploration |
| Xiranite | - | - |
Protocol Stash
|
Memo Beacon
|
Easy Stash
|
Zipline Pylon
|
Zipline Tower
|
Memo Beacon How to Use and Get

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