diff --git a/applications/external/subghz_remote_configurator/helpers/txrx/subghz_txrx.c b/applications/external/subghz_remote_configurator/helpers/txrx/subghz_txrx.c
index 223876c36..db485a2aa 100644
--- a/applications/external/subghz_remote_configurator/helpers/txrx/subghz_txrx.c
+++ b/applications/external/subghz_remote_configurator/helpers/txrx/subghz_txrx.c
@@ -64,6 +64,7 @@ SubGhzTxRx* subghz_txrx_alloc() {
 
     //set default device Internal
     subghz_devices_init();
+    instance->radio_device_type = SubGhzRadioDeviceTypeInternal;
     instance->radio_device_type =
         subghz_txrx_radio_device_set(instance, SubGhzRadioDeviceTypeInternal);
 
@@ -570,7 +571,7 @@ void subghz_txrx_set_raw_file_encoder_worker_callback_end(
         context);
 }
 
-bool subghz_txrx_radio_device_is_connect_external(SubGhzTxRx* instance, const char* name) {
+bool subghz_txrx_radio_device_is_external_connected(SubGhzTxRx* instance, const char* name) {
     furi_assert(instance);
 
     bool is_connect = false;
@@ -580,7 +581,10 @@ bool subghz_txrx_radio_device_is_connect_external(SubGhzTxRx* instance, const ch
         subghz_txrx_radio_device_power_on(instance);
     }
 
-    is_connect = subghz_devices_is_connect(subghz_devices_get_by_name(name));
+    const SubGhzDevice* device = subghz_devices_get_by_name(name);
+    if(device) {
+        is_connect = subghz_devices_is_connect(device);
+    }
 
     if(!is_otg_enabled) {
         subghz_txrx_radio_device_power_off(instance);
@@ -593,7 +597,7 @@ SubGhzRadioDeviceType
     furi_assert(instance);
 
     if(radio_device_type == SubGhzRadioDeviceTypeExternalCC1101 &&
-       subghz_txrx_radio_device_is_connect_external(instance, SUBGHZ_DEVICE_CC1101_EXT_NAME)) {
+       subghz_txrx_radio_device_is_external_connected(instance, SUBGHZ_DEVICE_CC1101_EXT_NAME)) {
         subghz_txrx_radio_device_power_on(instance);
         instance->radio_device = subghz_devices_get_by_name(SUBGHZ_DEVICE_CC1101_EXT_NAME);
         subghz_devices_begin(instance->radio_device);
diff --git a/applications/external/subghz_remote_configurator/helpers/txrx/subghz_txrx.h b/applications/external/subghz_remote_configurator/helpers/txrx/subghz_txrx.h
index 93748e2de..8bb7f2aee 100644
--- a/applications/external/subghz_remote_configurator/helpers/txrx/subghz_txrx.h
+++ b/applications/external/subghz_remote_configurator/helpers/txrx/subghz_txrx.h
@@ -326,7 +326,7 @@ void subghz_txrx_set_raw_file_encoder_worker_callback_end(
 * @param name Name of external radio device
 * @return bool True if is connected to the external radio device
 */
-bool subghz_txrx_radio_device_is_connect_external(SubGhzTxRx* instance, const char* name);
+bool subghz_txrx_radio_device_is_external_connected(SubGhzTxRx* instance, const char* name);
 
 /* Set the selected radio device to use
 *