Internet drop outs

I've been getting more and more drop outs recently.

A quick look at my Hub 3 logs show the following :-

Refresh data
Network Log
Time    Priority    Description
15/09/2025 11:22:59    notice    LAN login Success;CM-MAC=40:0d:10:20:f7:73;CMTS-MAC=00:01:5c:7c:06:5a;CM-QOS=1.1;CM-VER=3.0;
15/09/2025 09:12:6    critical    SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=40:0d:10:20:f7:73;CMTS-MAC=00:01:5c:7c:06:5a;CM-QOS=1.1;CM-VER=3.0;
15/09/2025 09:11:59    critical    No Ranging Response received - T3 time-out;CM-MAC=40:0d:10:20:f7:73;CMTS-MAC=00:01:5c:7c:06:5a;CM-QOS=1.1;CM-VER=3.0;
15/09/2025 09:02:31    critical    SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=40:0d:10:20:f7:73;CMTS-MAC=00:01:5c:7c:06:5a;CM-QOS=1.1;CM-VER=3.0;
15/09/2025 08:13:14    critical    No Ranging Response received - T3 time-out;CM-MAC=40:0d:10:20:f7:73;CMTS-MAC=00:01:5c:7c:06:5a;CM-QOS=1.1;CM-VER=3.0;
15/09/2025 07:47:55    critical    SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=40:0d:10:20:f7:73;CMTS-MAC=00:01:5c:7c:06:5a;CM-QOS=1.1;CM-VER=3.0;
15/09/2025 05:31:33    Warning!    RCS Partial Service;CM-MAC=40:0d:10:20:f7:73;CMTS-MAC=00:01:5c:7c:06:5a;CM-QOS=1.1;CM-VER=3.0;
15/09/2025 02:07:38    critical    SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=40:0d:10:20:f7:73;CMTS-MAC=00:01:5c:7c:06:5a;CM-QOS=1.1;CM-VER=3.0;
15/09/2025 02:05:56    critical    No Ranging Response received - T3 time-out;CM-MAC=40:0d:10:20:f7:73;CMTS-MAC=00:01:5c:7c:06:5a;CM-QOS=1.1;CM-VER=3.0;
15/09/2025 02:02:24    critical    SYNC Timing Synchronization failure - Loss of Sync;CM-MAC=40:0d:10:20:f7:73;CMTS-MAC=00:01:5c:7c:06:5a;CM-QOS=1.1;CM-VER=3.0;
15/09/2025 02:00:19    Warning!    RCS Partial Service;CM-MAC=40:0d:10:20:f7:73;CMTS-MAC=00:01:5c:7c:06:5a;CM-QOS=1.1;CM-VER=3.0;

Can anyone point me in the right direction to get it resolved, my son works from home so needs this to be consistent not a nice to have.

Thanks