PMP450m Time not syncing properly

We have few PMP450m Access points at our site.We don’t have any NTP server. For clock pulse we have installed cnPulse. What is the reason for PMP450m system time is 9 minutes differ then actual time as shown in attachment. All PMP450m AP’s and connected PMP450i Subscriber having the same issue.

What do you have in
Home → GPS Status → GPS Time?
and what in
Configuration → Time → “Allow GPS to set System Time”?

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Interesting, I’m aware of old hardware giving bad dates but not exactly 9 minutes off. So, I suspect an issue with that GPS hardware sending the wrong time.

In general, I would recommend shutting of “Allow GPS to set System Time” and setting up NTP.

I suspect no NTP and “Allow GPS to set System Time” disabled.

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