nrf7002

[8] RADIO: TX output power deviates from specified value

This anomaly applies to Revision 1, build codes QFAA-B00.

Symptoms

TX output power deviates from the value specified in the nRF7002 Product Specification.

Conditions

The device is operational in TX mode in 2.4 GHz or 5 GHz band.

Consequences

  • For trace codes earlier than 2333xx (year 2023, week 33) with or without a black R sticker on the reel, vacuum bag, and inner box label and nRF Connect SDK version earlier than 2.5.0, the TX output power can vary by up to ±3 dB. The device might operate outside the specified TX EVM limits.
  • For trace codes earlier than 2333xx (year 2023, week 33) without a black R sticker on the reel, vacuum bag, and inner box label and nRF Connect SDK version 2.5.0 or later, the TX output power can be up to 3 dB lower than specified.
Figure 1. Trace code and black R sticker on nRF7002 label
Trace code and black sticker on nRF7002 label

Workaround

Apply one of the following workarounds:
  • Use devices with trace codes earlier than 2333xx (year 2023, week 33) with a black R sticker on the reel, vacuum bag, and inner box label and nRF Connect SDK version 2.5.0 or later.
  • Use devices with trace codes 2333xx (year 2023, week 33) or later and nRF Connect SDK version 2.5.0 or later.