nRF54L15 ESB: Can PRX receive two packets simultaneously from two PTX?

RE: nRF54L15 ESB: Can PRX receive two packets simultaneously from two PTX?

Duccio — Tue, 09 Dec 2025 19:35:31 GMT

Thanks Kenneth, I appreciate the explanation and the help.

RE: nRF54L15 ESB: Can PRX receive two packets simultaneously from two PTX?

Kenneth — Tue, 09 Dec 2025 17:27:35 GMT

Hi,

[quote user="Duccio"]So, just to confirm, even if I use two different ESB pipes, it’s still not possible for the PRX to receive two packets at exactly the same time, since they would collide and cause packet loss right?[/quote]

Correct.

[quote user="Duccio"]At that point, if transmissions must be time-divided anyway, is there any practical benefit in using different pipes, or would it be equivalent to sending everything on the same pipe?[/quote]

There are some benefits in terms of differentiating devices, historically one used pipe0 for pairing, pipe1 for device type A, pipe2 for device type B etc. I guess one could solve it by adding headers in the packet instead.

Kenneth

RE: nRF54L15 ESB: Can PRX receive two packets simultaneously from two PTX?

Duccio — Tue, 09 Dec 2025 15:05:25 GMT

Thanks for the clarification.

So, just to confirm, even if I use two different ESB pipes, it’s still not possible for the PRX to receive two packets at exactly the same time, since they would collide and cause packet loss right?

At that point, if transmissions must be time-divided anyway, is there any practical benefit in using different pipes, or would it be equivalent to sending everything on the same pipe?

RE: nRF54L15 ESB: Can PRX receive two packets simultaneously from two PTX?

Kenneth — Tue, 09 Dec 2025 13:07:55 GMT

Hello,

The communication must be divided in time between peers yes, it can only receive one packet from one peer at any given time.

Kenneth