> This page is for Browser SDK, version v4 (default).
> For other versions, use one of these documentation indexes:
> - v4 (default): https://signalwire.com/docs/browser-sdk/v4/llms.txt
> - v3: https://signalwire.com/docs/browser-sdk/v3/llms.txt
> - v2: https://signalwire.com/docs/browser-sdk/v2/llms.txt

> Fetch clean Markdown by appending `.md` to any page URL under https://signalwire.com/docs or requesting it with the HTTP header `Accept: text/markdown`. The root index at https://signalwire.com/docs/llms.txt lists the available documentation indexes.

# networkMetrics$

> Rolling history of raw network metrics (RTT, jitter, packet loss, bitrate).

```ts
get networkMetrics$(): Observable<CallNetworkMetrics[]>
```

Rolling history of raw network metrics (RTT, jitter, packet loss, bitrate).

## networkMetrics

```ts
get networkMetrics(): CallNetworkMetrics[]
```

Current snapshot of the metrics rolling window.

## **Examples**

```ts
call.networkMetrics$.subscribe((networkMetrics) => {
  console.log('networkMetrics:', networkMetrics);
});
```