nRF52840 maximum data throughput

[DJ]

How many nRF52840 chips can be used simultaneously? Can all data and advertisement channels be used at maximum capacity (2Mbps/each) to result in an overall throughput of 2Mbps*N where N is the number of nRF52840 chips < # of channels available?

Thanks

[DJ]

Hi Jan,

Thank you for your reply. The application of interest indeed requires >2 Mbps and I'm exploring options to do so in the lowest power possible. I fully agree with you regarding caveats in getting 2 Mbps from each of this module (e.g., overhead, reliability, signal integrity, etc.). However, assuming we can do that for the sake of argument, my question was how many of these nRF52840 chips can be used, independently (or simultaneously), to increase the overall throughput?

For instance, perhaps you can de-tune the center frequency or leverage the fact that there are separate data / advertisement channels to get higher total bandwidth (independent data stream). As an example, if I were to use, say 10 of these nRF52840 (configured as TX), each streaming at 2 Mbps to a receiver that can handle this load (less power constraint here), could I get an effective bandwidth of 20 Mbps? **

Hope this clarifies my original question.

Thanks, DJ

** It's possible the overall power consumption of 10 of these chips, fully streaming, might consume more overall power than other solutions.

[Roger Clark]

The speed is impressive, but I'm not sure whether it would be worth running multiple devices at full speed to get what you can easily get over a WiFi link.

I know that Wifi devices can take a lot of current, but I wonder if its really that much more than multple nR52's running at max speed, vs some power optimised Wifi device

And the hardware and software effort required to build a system using nRF52's, may make it uneconomic. Plus the risk of attempting to build a system with multiple devices all transmitting and receiving in very close proximity to each other could easily cause problems

Personally, not a road I would go down, unless someone was willing to pay for all the R&D knowing that the project had significant risk factors (IMHO)