diff --git a/src/mainboard/google/brya/Kconfig b/src/mainboard/google/brya/Kconfig
index 683f91701d..b06d772450 100644
--- a/src/mainboard/google/brya/Kconfig
+++ b/src/mainboard/google/brya/Kconfig
@@ -269,6 +269,7 @@ config BOARD_GOOGLE_LISBON
 
 config BOARD_GOOGLE_MARASOV
 	select BOARD_GOOGLE_BASEBOARD_BRYA
+	select CHROMEOS_WIFI_SAR if CHROMEOS
 	select DRIVERS_INTEL_ISH
 	select SOC_INTEL_RAPTORLAKE
 	select USE_UNIFIED_AP_FIRMWARE_FOR_UFS_AND_NON_UFS
diff --git a/src/mainboard/google/brya/variants/marasov/overridetree.cb b/src/mainboard/google/brya/variants/marasov/overridetree.cb
index 311971f0ba..a8c1c06152 100644
--- a/src/mainboard/google/brya/variants/marasov/overridetree.cb
+++ b/src/mainboard/google/brya/variants/marasov/overridetree.cb
@@ -16,6 +16,10 @@ fw_config
 		option TOUCH_NONE			0
 		option TOUCH_ELAN0001			1
 	end
+	field WIFI_SAR_ID 6 7
+		option WIFI_SAR_ID_0			0
+		option WIFI_SAR_ID_1			1
+	end
 	field STORAGE 30 31
 		option STORAGE_UNKNOWN			0
 		option STORAGE_NVME			1
diff --git a/src/mainboard/google/brya/variants/marasov/variant.c b/src/mainboard/google/brya/variants/marasov/variant.c
index dad8a3c03b..5f3894d35c 100644
--- a/src/mainboard/google/brya/variants/marasov/variant.c
+++ b/src/mainboard/google/brya/variants/marasov/variant.c
@@ -2,8 +2,22 @@
 
 #include <acpi/acpigen.h>
 #include <baseboard/variants.h>
+#include <console/console.h>
+#include <fw_config.h>
+#include <sar.h>
 #include <variant/gpio.h>
 
+const char *get_wifi_sar_cbfs_filename(void)
+{
+	if (fw_config_probe(FW_CONFIG(WIFI_SAR_ID, WIFI_SAR_ID_1))) {
+		printk(BIOS_INFO, "Use wifi_sar_1.hex for Intel Wi-Fi module AX211NGW.\n");
+		return "wifi_sar_1.hex";
+	}
+
+	printk(BIOS_INFO, "Intel Wi-Fi SAR not used, return NULL!\n");
+	return NULL;
+}
+
 void variant_generate_s0ix_hook(enum s0ix_entry entry)
 {
 	/* Add board-specific MS0X entries */