diff --git a/wifi/1.2/IWifiChip.hal b/wifi/1.2/IWifiChip.hal
index d336a33..480c5a2 100644
--- a/wifi/1.2/IWifiChip.hal
+++ b/wifi/1.2/IWifiChip.hal
@@ -27,6 +27,50 @@
  */
 interface IWifiChip extends @1.1::IWifiChip {
     /**
+     * Capabilities exposed by this chip.
+     */
+    enum ChipCapabilityMask : @1.1::IWifiChip.ChipCapabilityMask {
+        /**
+         * Set/Reset Tx Power limits.
+         */
+         USE_BODY_HEAD_SAR = 1 << 11
+    };
+
+    /**
+     * List of preset wifi radio TX power levels for different scenarios.
+     * The actual power values (typically varies based on the channel,
+     * 802.11 connection type, number of MIMO streams, etc) for each scenario
+     * is defined by the OEM as a BDF file since it varies for each wifi chip
+     * vendor and device.
+     */
+    enum TxPowerScenario : @1.1::IWifiChip.TxPowerScenario {
+        ON_HEAD_CELL_OFF = 1,
+        ON_HEAD_CELL_ON  = 2,
+        ON_BODY_CELL_OFF = 3,
+        ON_BODY_CELL_ON  = 4
+    };
+
+    /**
+     * API to select one of the preset TX power scenarios.
+     *
+     * The framework must invoke this method with the appropriate scenario to let
+     * the wifi chip change it's transmitting power levels.
+     * OEM's should define various power profiles for each of the scenarios
+     * above (defined in |TxPowerScenario|) in a vendor extension.
+     *
+     * @param scenario One of the preselected scenarios defined in
+     *        |TxPowerScenario|.
+     * @return status WifiStatus of the operation.
+     *         Possible status codes:
+     *         |WifiStatusCode.SUCCESS|,
+     *         |WifiStatusCode.ERROR_WIFI_CHIP_INVALID|,
+     *         |WifiStatusCode.ERROR_NOT_SUPPORTED|,
+     *         |WifiStatusCode.NOT_AVAILABLE|,
+     *         |WifiStatusCode.UNKNOWN|
+     */
+    selectTxPowerScenario_1_2(TxPowerScenario scenario) generates (WifiStatus status);
+
+    /**
      * Requests notifications of significant events on this chip. Multiple calls
      * to this must register multiple callbacks each of which must receive all
      * events.