Coded PHY throughput

RE: Coded PHY throughput

grzegorz — Thu, 04 Dec 2025 15:25:49 GMT

Yes, I understand why it was decided this way. I just want to know if 27 byte PDU is the reason of low throughput or there is something else.

RE: Coded PHY throughput

Amanda Hsieh — Thu, 04 Dec 2025 14:30:13 GMT

Because the longer Link Layer packets on CODED PHY would increase problems with interference and therefore have a negative impact on the effective range.

RE: Coded PHY throughput

grzegorz — Wed, 03 Dec 2025 22:36:24 GMT

Thanks for reply but I don't see answer to my problem in that post. However I found out that for Coded PHY Nordic supports LL PDU up to just 27 bytes (limitation DRGN-8476). Is it the reason for low throughput on Coded PHY? During further testing I was changing DLE setting and noticed no impact at all. This is a hint that with small PDU the DLE can't provide any advantage because packets are small anyway, they just seem bigger on upper BLE layer.

RE: Coded PHY throughput

Amanda Hsieh — Tue, 02 Dec 2025 21:29:31 GMT

Hi,

Check out this post.

Regards,
Amanda H.