In the CC1120 user guide, at page 34 section RSSI, there is a example
AGC_GAIN_ADJUST.GAIN_ADJUSTMENT = 0x00
RSSI[11:0] = 0x200
RSSI=32 dBm – 102 dB = –70 dBm
therefore, the formula for RSSI in dbm is this?:.. Is that correct?
RSSI = RSSI[11:0] - 102;
-102 (Is costant?)