Outage in Cambium Networks
CBRS: intermittent failures for customers using Google SAS
Resolved Major
April 09, 2026 - Started 3 days ago
- Lasted about 3 hours
Incident Report
Summary AI Generated
Cambium Networks experienced intermittent failures affecting customers using the Google CBRS SAS service, with impacted devices unable to obtain new grant approvals and entering an unauthorized/idle state with no active spectrum grants. The outage lasted 3.1 hours before error rates dropped and devices came back online. The incident was resolved through collaboration with Google to address the grant termination issues.
Error rates have dropped and devices are back online. We are continuing to monitor before full resolution.
Components affected
Cambium Networks CBRS Partner - GoogleTrusted by 1000+ teams
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Latest Updates ( sorted recent to last )
MONITORING
3 days ago - at 04/09/2026 11:43AM
Error rates have dropped and devices are back online. We are continuing to monitor before full resolution.
IDENTIFIED
3 days ago - at 04/09/2026 10:05AM
We are seeing some recovery of devices and continue to monitor. Impacted devices entered the CPAS window and have been unable to obtain new grant approvals, leaving all CBSDs in an unauthorized/idle state with no active spectrum grants. We are waiting for details from Google on why the termination was triggered.
INVESTIGATING
3 days ago - at 04/09/2026 09:17AM
Customers on the Google CBRS SAS service may be experiencing intermittent outages with logs shoing multiple grant request retries. We are working with Google to investigate.
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