# Signal Systems

> Canonical source: [Signal Systems](https://satisfactorybase.com/wiki/schematics/signal-systems)
> Language: en

## Properties

- Entity type: MAM research
- Completion time: 3 s

## Unlock cost

- [Crystal Oscillator](/wiki/items/crystal-oscillator): 5
- [Circuit Board](/wiki/items/circuit-board): 5

## Guides

- [MAM research guide](/guides/mam)

## Technical Details

- Class name: Research_Quartz_3_C
- Native class: FGSchematic
- Asset path: /Game/FactoryGame/Schematics/Research/Quartz_RS/Research_Quartz_3