I know if I need sync then TDD PtP mode in Fixed ratio is the way to go, but if I do not need the PtP link synced which is better for performance and stability? ePTP or TDD PtP flexible and what are the key differences? This would be a 4600C PtP link.

[image] ePTP / TDD difference ePMP There are some fundemental differences in ideology between UB and Cambium, I would highly suggest that you sit down with the user guide found in the ePMP downloads section. This is explained very well and will most likely answ…

That kind of answers my question but not fully. On ePMP 4K what is the main difference between ePTP mode vs TDD PTP Flexible? Both you give up GPS sync, which is fine for my use case. Which gives more throughput? Which gives lower latency? Which mode handles noise better? Has there been improvem…

ePTP gives you more tput and lower latency. As to your other questions, I don’t know. I don’t think there’s ever been an instance where we’ve used flexible TDD for a PtP, because ePTP has always been perceived to be superior.

There must be something different as they have both TDD mode and TDD PtP mode as explicit selections on the AP side. On the SM side you only have TDD or ePTP mode. Maybe someone from Cambium can chime in on if there are any benefits to TDD PtP mode when in Flexible framing, because if it is just t…

I have not tried TDD PtP Flexible yet, but upgrading the PtP link from 5.10.1 to 5.12.0 did yield an improvement in modulation on ePTP mode from Downlink mostly DS9 and Uplink mostly DS11 to Downlink now DS11 and Uplink now DS12.

Hello, Based on our testing and fieldwork, we agree with you that ePTP offers higher throughput and lower latency but is vulnerable to interference. TDD offers greater range and channel asymmetry, and is more robust against interference.

One fundamental difference is that the radio is versatile depending on the scenario. It can function as an AP (PtP or PtMP) or an SM (PtP or PtMP); that is why it offers both TDD and TDD PtP modes. If you look at a radio designed exclusively for PtP, you will see that it offers more than just TDD P…

Which is better ePTP or TDD PtP Flexible?

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micampo (micampo) July 22, 2026, 6:20am 2