Maximum Rssi value that can be received by the nRF52832 SoC in dBm

[Brosnan]

Hi,

I wanted to know the RSSI value where the receiver saturates when receiving data from a high output power transmitter.

Thanks

[awneil]

See the Product Specification: 

infocenter.nordicsemi.com/.../radio.html

[Brosnan]

Thank you for your response Awneil. But I couldn't find the maximum recieve rssi value in this list.

[awneil]

[Brosnan]

Oh thanks Awneil. So the spec says it should be typically 0dBm. 

We have designed a BLE module with nRF52832 + SKY66112 PA frontend. I was using 2 of these modules, one as transmitter and the other as receiver. The transmitter was transmitting at max output of 21dBm. The modules were fairly close to each other.

I checked the RSSI on the receiver and noticed that it never went above -14dBm. Is there any reasoning you can think of for this to happen?

[awneil]

Brosnan said:

The transmitter was transmitting at max output of 21dBm

How do you determine that?

What are the gains of your antennas?

etc