# How much bandwidth a seat costs · Learn it in 5 minutes

- The requirements give planning numbers. Agent Desktop Plus and the Plus adapters are 128 kbps. The Java agent is 88 kbps. Agent Assist adds about 12 kbps. A VPN adds about 64. CRM or other business apps add about 64. A UC client such as Teams, Zoom, Office@Hand, RingCentral, or Nextiva is called out around 320 kbps.
- One-way latency should stay under 150 ms. Wi-Fi is acceptable when the bandwidth is actually there. Wired is preferred. Satellite is not supported. Cellular and 5G are not supported. Those are support statements, not opinions.

## Sources and go deeper

- [Technical requirements PDF](https://documentation-be.five9.com/bundle/five9-technical-requirements/raw/resource/enus/five9-technical-requirements.pdf). vendor. last checked 2026-10. Fetched for this lab in October 2026. Re-read before you buy hardware or open a firewall.