# Introduction

The **netsim** network simulator allows developers to run, visualize, test,
debug, and analyze multi-device and multi-radio radio scenarios across virtual
devices and accessories.

## Device Types

| Device Type                                                  |     Description                           |
|:-------------------------------------------------------------|:------------------------------------------|
| [Android Virtual Device](https://developer.android.com/studio/run/emulator) (AVD)                                 | An Android image running in the Android Emulator  |
| [Cuttlefish Virtual Device](https://source.android.com/docs/setup/create/cuttlefish) (CVD)                              | An Android image running in the cuttlefish emulator |
| nimble device with HCI connector                             | host OS C++ apps using Nimbile bluetooth stack |
| [Bumble](https://github.com/google/bumble) device            | host OS python apps using Bumble bluetooth stack |
| [Bumble](https://github.com/google/bumble) Web App           | Browser hosted python apps using Bumble bluetooth stack |
| Builtin devices                                              | Bluetooth low-energy beacons and UWB anchors built into netsim |

See [Bumble apps and tools](https://github.com/google/bumble/blob/main/docs/mkdocs/src/apps_and_tools/index.md).