ESP32 BLE TX power for BLE spam

I’m using an XIAO ESP32C3 and the arduino IDE. I’ve tried both +20dBm and +21dBm, and they both show no range improvement over +9dBm. Is there anything that I’m missing? This is the function I’m using to set the power level:

esp_ble_tx_power_set

submitted by /u/Savage_049
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