We have power ceilings configured as per the last nRF7002 Product Notice:
nrf70_tx_power_ceiling: nrf70_tx_power_ceiling_node {
status = "okay";
compatible = "nordic,nrf700x-tx-power-ceiling";
max-pwr-2g-dsss = <0x50>;
max-pwr-2g-mcs0 = <0x3c>;
max-pwr-2g-mcs7 = <0x3c>;
max-pwr-5g-low-mcs0 = <0x34>;
max-pwr-5g-low-mcs7 = <0x34>;
max-pwr-5g-mid-mcs0 = <0x34>;
max-pwr-5g-mid-mcs7 = <0x34>;
max-pwr-5g-high-mcs0 = <0x34>;
max-pwr-5g-high-mcs7 = <0x34>;
};
Yet we are seeing values below expected (around 13 dbm):
We noticed upgrading to 2.7.0 improved the power but not by a lot. Additionally, the testing Kconfig options brought it up another 10% but again far from 13 dbm:
CONFIG_NRF700X_RADIO_TEST=y # Disable Wifi-related settings that are incompatible with CONFIG_NRF700X_RADIO_TEST CONFIG_NETWORKING=n CONFIG_WIFI_CREDENTIALS=n CONFIG_WPA_SUPP=n # Memories CONFIG_SHELL_STACK_SIZE=4096 #64K memory needed for IQ sample captures. CONFIG_HEAP_MEM_POOL_SIZE=98304 # Debugging CONFIG_STACK_SENTINEL=y CONFIG_DEBUG_COREDUMP=y CONFIG_DEBUG_COREDUMP_BACKEND_LOGGING=y # Logging CONFIG_PRINTK=y CONFIG_SHELL_GETOPT=y CONFIG_DEVICE_SHELL=y CONFIG_DATE_SHELL=y CONFIG_LOG_BUFFER_SIZE=4096 CONFIG_SHELL_BACKEND_SERIAL_RX_RING_BUFFER_SIZE=1024
Is this a known problem? Are we missing some configuration?
Thanks!