diff --git a/applications/drivers/subghz/application.fam b/applications/drivers/subghz/application.fam
index aaf0e1bd..2ee11483 100644
--- a/applications/drivers/subghz/application.fam
+++ b/applications/drivers/subghz/application.fam
@@ -4,5 +4,6 @@ App(
     targets=["f7"],
     entry_point="subghz_device_cc1101_ext_ep",
     requires=["subghz"],
+    sdk_headers=["cc1101_ext/cc1101_ext_interconnect.h"],
     fap_libs=["hwdrivers"],
 )
diff --git a/firmware/targets/f18/api_symbols.csv b/firmware/targets/f18/api_symbols.csv
index bbeaa3b1..20c82975 100644
--- a/firmware/targets/f18/api_symbols.csv
+++ b/firmware/targets/f18/api_symbols.csv
@@ -1,5 +1,5 @@
 entry,status,name,type,params
-Version,+,34.1,,
+Version,+,34.2,,
 Header,+,applications/services/bt/bt_service/bt.h,,
 Header,+,applications/services/cli/cli.h,,
 Header,+,applications/services/cli/cli_vcp.h,,
@@ -82,6 +82,7 @@ Header,+,firmware/targets/furi_hal_include/furi_hal_usb_hid_u2f.h,,
 Header,+,firmware/targets/furi_hal_include/furi_hal_version.h,,
 Header,+,firmware/targets/furi_hal_include/furi_hal_vibro.h,,
 Header,+,lib/digital_signal/digital_signal.h,,
+Header,+,lib/drivers/cc1101_regs.h,,
 Header,+,lib/flipper_application/api_hashtable/api_hashtable.h,,
 Header,+,lib/flipper_application/api_hashtable/compilesort.hpp,,
 Header,+,lib/flipper_application/flipper_application.h,,
diff --git a/firmware/targets/f7/api_symbols.csv b/firmware/targets/f7/api_symbols.csv
index 0d33f70f..cc1d016d 100644
--- a/firmware/targets/f7/api_symbols.csv
+++ b/firmware/targets/f7/api_symbols.csv
@@ -1,5 +1,6 @@
 entry,status,name,type,params
-Version,+,34.1,,
+Version,+,34.2,,
+Header,+,applications/drivers/subghz/cc1101_ext/cc1101_ext_interconnect.h,,
 Header,+,applications/services/bt/bt_service/bt.h,,
 Header,+,applications/services/cli/cli.h,,
 Header,+,applications/services/cli/cli_vcp.h,,
@@ -87,6 +88,7 @@ Header,+,firmware/targets/furi_hal_include/furi_hal_usb_hid_u2f.h,,
 Header,+,firmware/targets/furi_hal_include/furi_hal_version.h,,
 Header,+,firmware/targets/furi_hal_include/furi_hal_vibro.h,,
 Header,+,lib/digital_signal/digital_signal.h,,
+Header,+,lib/drivers/cc1101_regs.h,,
 Header,+,lib/flipper_application/api_hashtable/api_hashtable.h,,
 Header,+,lib/flipper_application/api_hashtable/compilesort.hpp,,
 Header,+,lib/flipper_application/flipper_application.h,,
@@ -192,6 +194,7 @@ Header,+,lib/subghz/blocks/encoder.h,,
 Header,+,lib/subghz/blocks/generic.h,,
 Header,+,lib/subghz/blocks/math.h,,
 Header,+,lib/subghz/devices/cc1101_configs.h,,
+Header,+,lib/subghz/devices/cc1101_int/cc1101_int_interconnect.h,,
 Header,+,lib/subghz/environment.h,,
 Header,+,lib/subghz/protocols/raw.h,,
 Header,+,lib/subghz/receiver.h,,
@@ -2697,6 +2700,7 @@ Function,+,subghz_block_generic_deserialize,SubGhzProtocolStatus,"SubGhzBlockGen
 Function,+,subghz_block_generic_deserialize_check_count_bit,SubGhzProtocolStatus,"SubGhzBlockGeneric*, FlipperFormat*, uint16_t"
 Function,+,subghz_block_generic_get_preset_name,void,"const char*, FuriString*"
 Function,+,subghz_block_generic_serialize,SubGhzProtocolStatus,"SubGhzBlockGeneric*, FlipperFormat*, SubGhzRadioPreset*"
+Function,-,subghz_device_cc1101_ext_ep,const FlipperAppPluginDescriptor*,
 Function,+,subghz_devices_begin,_Bool,const SubGhzDevice*
 Function,+,subghz_devices_deinit,void,
 Function,+,subghz_devices_end,void,const SubGhzDevice*
@@ -3436,6 +3440,7 @@ Variable,+,sequence_set_vibro_on,const NotificationSequence,
 Variable,+,sequence_single_vibro,const NotificationSequence,
 Variable,+,sequence_solid_yellow,const NotificationSequence,
 Variable,+,sequence_success,const NotificationSequence,
+Variable,-,subghz_device_cc1101_int,const SubGhzDevice,
 Variable,+,subghz_device_cc1101_preset_2fsk_dev2_38khz_async_regs,const uint8_t[],
 Variable,+,subghz_device_cc1101_preset_2fsk_dev47_6khz_async_regs,const uint8_t[],
 Variable,+,subghz_device_cc1101_preset_gfsk_9_99kb_async_regs,const uint8_t[],
diff --git a/lib/drivers/SConscript b/lib/drivers/SConscript
index 3b7ee240..103472cc 100644
--- a/lib/drivers/SConscript
+++ b/lib/drivers/SConscript
@@ -4,6 +4,9 @@ env.Append(
     CPPPATH=[
         "#/lib/drivers",
     ],
+    SDK_HEADERS=[
+        File("cc1101_regs.h"),
+    ],
 )
 
 
diff --git a/lib/subghz/SConscript b/lib/subghz/SConscript
index 2c42a515..82c925c1 100644
--- a/lib/subghz/SConscript
+++ b/lib/subghz/SConscript
@@ -20,6 +20,7 @@ env.Append(
         File("subghz_setting.h"),
         File("subghz_protocol_registry.h"),
         File("devices/cc1101_configs.h"),
+        File("devices/cc1101_int/cc1101_int_interconnect.h"),
     ],
 )
 
diff --git a/scripts/fbt/appmanifest.py b/scripts/fbt/appmanifest.py
index 5b830dda..0064b359 100644
--- a/scripts/fbt/appmanifest.py
+++ b/scripts/fbt/appmanifest.py
@@ -325,7 +325,16 @@ class AppBuildset:
     def get_sdk_headers(self):
         sdk_headers = []
         for app in self.apps:
-            sdk_headers.extend([app._appdir.File(header) for header in app.sdk_headers])
+            sdk_headers.extend(
+                [
+                    src._appdir.File(header)
+                    for src in [
+                        app,
+                        *(plugin for plugin in app._plugins),
+                    ]
+                    for header in src.sdk_headers
+                ]
+            )
         return sdk_headers
 
     def get_apps_of_type(self, apptype: FlipperAppType, all_known: bool = False):