Why does Chromecast frequently disconnect?

Google Chromecast requires high network stability.  It is recommended to connect Chromecast with WPA2-PSK encrypted 5GHz 802.11n.

Why might there be latency when Chromecast is casting?

Google Chromecast requires a bandwidth rate of 4 Mbps, per user in typical usage. Latency will be less than 100ms when pinning Google’s public DNS server at  For HD video streaming, greater than 5 Mbps is required.  Poor bandwidth can also cause latency problems.

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