# ChirpStack Components and Integrations

## "Things You Can Install"

```mermaid
flowchart TD
    subgraph Gateway
    pf(Semtech Packet Forwarder) --> gb(ChirpStack Gateway Bridge)
    c(ChirpStack Concentratord) --> uf(ChirpStack UDP Forwarder)
    c --> mf(ChirpStack MQTT Forwarder)
    uf --> gb
    pf --> mf
    end
    mf --> mb
    gb --> mb(Mosquitto MQTT Broker)
    subgraph Cloud Server
    mb--> cs(ChirpStack*)
    end
```

\* Also requires PostgreSQL and Redis