diff --git a/src/ble/gatt-service/tx_power_service_server.c b/src/ble/gatt-service/tx_power_service_server.c
index 8efb4b7b1..e8457472f 100644
--- a/src/ble/gatt-service/tx_power_service_server.c
+++ b/src/ble/gatt-service/tx_power_service_server.c
@@ -43,6 +43,10 @@
  * To use with your application, add `#import <tx_power_service.gatt>` to your .gatt file
  */
 
+#ifdef ENABLE_TESTING_SUPPORT
+#include <stdio.h>
+#endif
+
 #include "btstack_defines.h"
 #include "ble/att_db.h"
 #include "ble/att_server.h"
@@ -107,6 +111,13 @@ void tx_power_service_server_init(int8_t tx_power_level_dBm){
 	tx_power_level_value_handle = gatt_server_get_value_handle_for_characteristic_with_uuid16(start_handle, end_handle, ORG_BLUETOOTH_CHARACTERISTIC_TX_POWER_LEVEL);
     tx_power_level_client_configuration_handle = gatt_server_get_client_configuration_handle_for_characteristic_with_uuid16(start_handle, end_handle, ORG_BLUETOOTH_CHARACTERISTIC_TX_POWER_LEVEL);
 
+#ifdef ENABLE_TESTING_SUPPORT
+    printf("TXP 0x%02x - 0x%02x \n", start_handle, end_handle);
+    printf("    tx_power_level            0x%02x \n", tx_power_level_value_handle);
+    printf("    tx_power_level CCC        0x%02x \n", tx_power_level_client_configuration_handle);
+#endif
+    log_info("TX Power Service Server 0x%02x-0x%02x", start_handle, end_handle);
+
 	// register service with ATT Server
 	tx_power_service_handler.start_handle   = start_handle;
 	tx_power_service_handler.end_handle     = end_handle;