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Rssi at the CC1310 receiver

Other Parts Discussed in Thread: CC1310

I have  the CC1310 Evaluation modules, I connected a Tx unit's antenna out to Rx unit antenna using a RG316 cable with SMA connector on both ends.

I set the Tx power to -10dBm.

On the receiver the Rssi is -14

I thought the cable has an attenuation and hence increased the Tx power to -6dBm but still the Rx Rssi is -14dBm

I am using a modified version easylink example code to get the Rssi from the received packet.

CC1310 datasheet says Rx saturates at 10dBm. Does it mean that we can sense Rssi upto +10 or is it some how capped at -14dB at the code level?

  • Hi,

    Yes, +10dBm is the Saturation level for Rx and it also an Absolute Maximum input level to the Receiver.

    RSSI has a dynamic range of 95dB. Please see Table 5.6 of the data sheet for details.

    Yes, -14dBm is the Saturation level for the RSSI.

    Thanks,
    PM