PTP Sync is an Effective solution for auto-interference, just keep in mind that using it has an impact on the capacity, latency, and symmetry of all PTP links that used it.
It is a real pity that the CMM5 cannot synchronize the PTP6XX family.
3 PTP600 on a small wall-cabinet.4 PTP650 on the same tower.3 PTP650 on a 19m tower7 PTP and 4 PMP Access Point with Sync.