diff --git a/Sub-GHz/Doorbells/Doorbell3.sub b/Sub-GHz/Doorbells/Doorbell3.sub
new file mode 100644
index 00000000..73845a9a
--- /dev/null
+++ b/Sub-GHz/Doorbells/Doorbell3.sub
@@ -0,0 +1,8 @@
+Filetype: Flipper SubGhz Key File
+Version: 1
+Frequency: 433920000
+Preset: FuriHalSubGhzPresetOok650Async
+Protocol: Princeton
+Bit: 24
+Key: 00 00 00 00 00 17 29 62
+TE: 303
diff --git a/Sub-GHz/Doorbells/Doorbell4.sub b/Sub-GHz/Doorbells/Doorbell4.sub
new file mode 100644
index 00000000..f49ad911
--- /dev/null
+++ b/Sub-GHz/Doorbells/Doorbell4.sub
@@ -0,0 +1,8 @@
+Filetype: Flipper SubGhz Key File
+Version: 1
+Frequency: 433889000
+Preset: FuriHalSubGhzPresetOok650Async
+Protocol: Princeton
+Bit: 24
+Key: 00 00 00 00 00 2A 6C 38
+TE: 203