diff --git a/src/device_library.h b/src/device_library.h
index 8cfdf37ac..78f85c94a 100644
--- a/src/device_library.h
+++ b/src/device_library.h
@@ -70,8 +70,6 @@
 {206, DeviceType::CONTROLLER, "Ecomline", DeviceFlags::EMS_DEVICE_FLAG_NONE}, // 0x09
 {207, DeviceType::CONTROLLER, "Sense II/CS200", DeviceFlags::EMS_DEVICE_FLAG_NONE}, // 0x10
 {209, DeviceType::CONTROLLER, "ErP", DeviceFlags::EMS_DEVICE_FLAG_NONE}, // 0x09
-{218, DeviceType::CONTROLLER, "M200/RFM200", DeviceFlags::EMS_DEVICE_FLAG_NONE}, // 0x50
-{220, DeviceType::CONTROLLER, "BC30", DeviceFlags::EMS_DEVICE_FLAG_NONE}, // 0x16
 {224, DeviceType::CONTROLLER, "9000i", DeviceFlags::EMS_DEVICE_FLAG_NONE}, // 0x09
 {229, DeviceType::CONTROLLER, "8700i", DeviceFlags::EMS_DEVICE_FLAG_NONE}, // 0x09
 {230, DeviceType::CONTROLLER, "BC Base", DeviceFlags::EMS_DEVICE_FLAG_NONE}, // 0x09
@@ -165,6 +163,7 @@
 {206, DeviceType::CONNECT, "Easy Connect", DeviceFlags::EMS_DEVICE_FLAG_NONE},
 
 // Wireless sensor base - 0x50
+{218, DeviceType::CONNECT, "M200/RFM200", DeviceFlags::EMS_DEVICE_FLAG_NONE},
 {236, DeviceType::CONNECT, "Wireless sensor base", DeviceFlags::EMS_DEVICE_FLAG_NONE},
 {238, DeviceType::CONNECT, "Wireless sensor base", DeviceFlags::EMS_DEVICE_FLAG_NONE},
 
@@ -174,6 +173,9 @@
 // EM10/100 extension module, pump module - 0x15
 { 243, DeviceType::EXTENSION, "EM10/EM100", DeviceFlags::EMS_DEVICE_FLAG_NONE},
 
+// Wireless outdoor sensor T1RF - 0x16
+{ 220, DeviceType::EXTENSION, "T1RF", DeviceFlags::EMS_DEVICE_FLAG_NONE}, // 0x16
+
 // EM10 error contact and analog flowtemp control- 0x12
 { 74, DeviceType::ALERT, "EM10", DeviceFlags::EMS_DEVICE_FLAG_NONE},
 
diff --git a/src/devices/connect.cpp b/src/devices/connect.cpp
index db5d578e3..8e795c242 100644
--- a/src/devices/connect.cpp
+++ b/src/devices/connect.cpp
@@ -24,6 +24,28 @@ REGISTER_FACTORY(Connect, EMSdevice::DeviceType::CONNECT);
 
 Connect::Connect(uint8_t device_type, uint8_t device_id, uint8_t product_id, const char * version, const char * name, uint8_t flags, uint8_t brand)
     : EMSdevice(device_type, device_id, product_id, version, name, flags, brand) {
+    if (device_id == 0x50) { // RF Base
+        register_telegram_type(0xD1, "RFOutdoorTemp", false, MAKE_PF_CB(process_OutdoorTemp));
+        register_device_value(DeviceValueTAG::TAG_DEVICE_DATA,
+                              &outdoorTemp_,
+                              DeviceValueType::SHORT,
+                              DeviceValueNumOp::DV_NUMOP_DIV10,
+                              FL_(outdoorTemp),
+                              DeviceValueUOM::DEGREES);
+    }
+}
+/*
+ * OutdoorTemp - type 0xD1 - external temperature
+ */
+void Connect::process_OutdoorTemp(std::shared_ptr<const Telegram> telegram) {
+    has_update(telegram, outdoorTemp_, 0);
 }
 
-} // namespace emsesp
\ No newline at end of file
+/* other values from 0x50 RF base
+(0x087F), data: 00 00
+(0x0880), data: 01 04
+(0x0889), data: 00 80 80 01
+*/
+
+
+} // namespace emsesp
diff --git a/src/devices/connect.h b/src/devices/connect.h
index 18b75c40f..d868c0872 100644
--- a/src/devices/connect.h
+++ b/src/devices/connect.h
@@ -26,6 +26,10 @@ namespace emsesp {
 class Connect : public EMSdevice {
   public:
     Connect(uint8_t device_type, uint8_t device_id, uint8_t product_id, const char * version, const char * name, uint8_t flags, uint8_t brand);
+
+  private:
+    void    process_OutdoorTemp(std::shared_ptr<const Telegram> telegram);
+    int16_t outdoorTemp_;
 };
 
 } // namespace emsesp
diff --git a/src/devices/extension.cpp b/src/devices/extension.cpp
index 153d8dfca..181103fa9 100644
--- a/src/devices/extension.cpp
+++ b/src/devices/extension.cpp
@@ -24,6 +24,11 @@ REGISTER_FACTORY(Extension, EMSdevice::DeviceType::EXTENSION);
 
 Extension::Extension(uint8_t device_type, uint8_t device_id, uint8_t product_id, const char * version, const char * name, uint8_t flags, uint8_t brand)
     : EMSdevice(device_type, device_id, product_id, version, name, flags, brand) {
+    if (device_id == 0x16) {
+        // no entities for T1RF outdoor sensor, values are comming from RFbase 0x50 (connect)
+        return;
+    }
+    // Extension module EM100 device_id 0x12
     register_telegram_type(0x935, "EM100SetMessage", true, MAKE_PF_CB(process_EM100SetMessage));
     register_telegram_type(0x936, "EM100OutMessage", false, MAKE_PF_CB(process_EM100OutMessage));
     register_telegram_type(0x937, "EM100TempMessage", false, MAKE_PF_CB(process_EM100TempMessage));