diff --git a/components/802.15.4_RF/stm-s2lp-rf-driver/source/NanostackRfPhys2lp.cpp b/components/802.15.4_RF/stm-s2lp-rf-driver/source/NanostackRfPhys2lp.cpp
index 58932e45a7..b65e1ebdd4 100644
--- a/components/802.15.4_RF/stm-s2lp-rf-driver/source/NanostackRfPhys2lp.cpp
+++ b/components/802.15.4_RF/stm-s2lp-rf-driver/source/NanostackRfPhys2lp.cpp
@@ -209,8 +209,8 @@ static rf_mode_e rf_mode = RF_MODE_NORMAL;
 static bool rf_update_config = false;
 static uint16_t cur_packet_len = 0xffff;
 static uint32_t receiver_ready_timestamp;
-
 static int16_t rssi_threshold = RSSI_THRESHOLD;
+static uint32_t tx_start_time = 0;
 
 /* Channel configurations for sub-GHz */
 static phy_rf_channel_configuration_s phy_subghz = {
@@ -276,6 +276,20 @@ static uint32_t rf_get_timestamp(void)
     return (uint32_t)rf->tx_timer.read_us();
 }
 
+static void rf_update_tx_active_time(void)
+{
+    if (device_driver.phy_rf_statistics) {
+        device_driver.phy_rf_statistics->tx_active_time += rf_get_timestamp() - tx_start_time;
+    }
+}
+
+static void rf_update_rx_active_time(void)
+{
+    if (device_driver.phy_rf_statistics) {
+        device_driver.phy_rf_statistics->rx_active_time += rf_get_timestamp() - rx_time;
+    }
+}
+
 static void rf_lock(void)
 {
     platform_enter_critical();
@@ -739,6 +753,7 @@ static void rf_tx_sent_handler(void)
     rf_disable_interrupt(TX_DATA_SENT);
     if (rf_state != RF_TX_ACK) {
         tx_finnish_time = rf_get_timestamp();
+        rf_update_tx_active_time();
         TEST_TX_DONE
         rf_state = RF_IDLE;
         rf_receive(rf_rx_channel);
@@ -771,6 +786,7 @@ static void rf_start_tx(void)
     rf_disable_all_interrupts();
     rf_poll_state_change(S2LP_STATE_READY);
     rf_state_change(S2LP_STATE_TX, false);
+    tx_start_time = rf_get_timestamp();
     // More TX data to be written in FIFO when TX threshold interrupt occurs
     if (tx_data_ptr) {
         rf_enable_interrupt(TX_FIFO_ALMOST_EMPTY);
@@ -805,6 +821,7 @@ static void rf_cca_timer_interrupt(void)
         }
         rf_flush_tx_fifo();
         tx_finnish_time = rf_get_timestamp();
+        rf_update_tx_active_time();
         if (device_driver.phy_tx_done_cb) {
             device_driver.phy_tx_done_cb(rf_radio_driver_id, mac_tx_handle, PHY_LINK_CCA_FAIL, 0, 0);
         }
@@ -825,6 +842,9 @@ static void rf_cca_timer_interrupt(void)
             rf_start_tx();
             rf_state = RF_TX_STARTED;
             TEST_TX_STARTED
+            if (device_driver.phy_rf_statistics) {
+                device_driver.phy_rf_statistics->tx_bytes += tx_data_length;
+            }
         }
     }
 }
@@ -843,10 +863,12 @@ static void rf_backup_timer_interrupt(void)
 {
     tx_finnish_time = rf_get_timestamp();
     if (rf_state == RF_RX_STARTED) {
+        rf_update_rx_active_time();
         if (device_driver.phy_rf_statistics) {
             device_driver.phy_rf_statistics->rx_timeouts++;
         }
     } else {
+        rf_update_tx_active_time();
         if (device_driver.phy_rf_statistics) {
             device_driver.phy_rf_statistics->tx_timeouts++;
         }
@@ -921,6 +943,9 @@ static void rf_send_ack(uint8_t seq)
     rf_start_tx();
     TEST_ACK_TX_STARTED
     rf_backup_timer_start(ACK_SENDING_TIME);
+    if (device_driver.phy_rf_statistics) {
+        device_driver.phy_rf_statistics->tx_bytes += sizeof(ack_frame);
+    }
 }
 
 static void rf_handle_ack(uint8_t seq_number, uint8_t pending)
@@ -928,6 +953,7 @@ static void rf_handle_ack(uint8_t seq_number, uint8_t pending)
     phy_link_tx_status_e phy_status;
     if (tx_sequence == (uint16_t)seq_number) {
         tx_finnish_time = rf_get_timestamp();
+        rf_update_tx_active_time();
         if (pending) {
             phy_status = PHY_LINK_TX_DONE_PENDING;
         } else {
@@ -966,6 +992,9 @@ static void rf_rx_ready_handler(void)
                 rf_send_ack(rx_buffer[2]);
             }
         }
+        if (device_driver.phy_rf_statistics) {
+            device_driver.phy_rf_statistics->rx_bytes += rx_data_length;
+        }
     } else {
         rf_state = RF_IDLE;
         int8_t rssi = (rf_read_register(RSSI_LEVEL) - RSSI_OFFSET);
@@ -1072,6 +1101,7 @@ static void rf_irq_task_process_irq(void)
     if ((irq_status & (1 << TX_FIFO_UNF_OVF)) && (enabled_interrupts & (1 << TX_FIFO_UNF_OVF))) {
         rf_backup_timer_stop();
         tx_finnish_time = rf_get_timestamp();
+        rf_update_tx_active_time();
         TEST_TX_DONE
         device_driver.phy_tx_done_cb(rf_radio_driver_id, mac_tx_handle, PHY_LINK_CCA_FAIL, 1, 0);
         rf_send_command(S2LP_CMD_SABORT);
@@ -1087,6 +1117,7 @@ static void rf_irq_task_process_irq(void)
         }
     } else if (rf_state == RF_RX_STARTED) {
         if ((irq_status & (1 << RX_DATA_READY)) && (enabled_interrupts & (1 << RX_DATA_READY))) {
+            rf_update_rx_active_time();
             if (!(irq_status & (1 << CRC_ERROR))) {
                 rf_rx_ready_handler();
             } else {
@@ -1112,6 +1143,7 @@ static void rf_irq_task_process_irq(void)
         }
     }
     if ((irq_status & (1 << RX_FIFO_UNF_OVF)) && (enabled_interrupts & (1 << RX_FIFO_UNF_OVF))) {
+        rf_update_rx_active_time();
         TEST_RX_DONE
         rf_backup_timer_stop();
         rf_send_command(S2LP_CMD_SABORT);