diff --git a/src/devices/generic.cpp b/src/devices/generic.cpp
index 9bf74fbad..5adaed38d 100644
--- a/src/devices/generic.cpp
+++ b/src/devices/generic.cpp
@@ -26,6 +26,12 @@ uuid::log::Logger Generic::logger_{F_(generic), uuid::log::Facility::CONSOLE};
 
 Generic::Generic(uint8_t device_type, uint8_t device_id, uint8_t product_id, const std::string & version, const std::string & name, uint8_t flags, uint8_t brand)
     : EMSdevice(device_type, device_id, product_id, version, name, flags, brand) {
+
+    // RF-Sensor 0x40 sending temperature in telegram 0x435, see https://github.com/emsesp/EMS-ESP32/issues/103
+    if (device_id == 0x40) {
+        register_telegram_type(0x435, F("RFSensorMessage"), false, MAKE_PF_CB(process_RFSensorMessage));
+        register_device_value(TAG_NONE, &rfTemp_, DeviceValueType::SHORT, FL_(div10), FL_(RFTemp), DeviceValueUOM::DEGREES);
+    }
 }
 
 // publish HA config
@@ -33,4 +39,9 @@ bool Generic::publish_ha_config() {
     return true;
 }
 
+// type 0x435 rf remote sensor
+void Generic::process_RFSensorMessage(std::shared_ptr<const Telegram> telegram) {
+    has_update(telegram->read_value(rfTemp_, 0)); // is * 10
+}
+
 } // namespace emsesp
\ No newline at end of file
diff --git a/src/devices/generic.h b/src/devices/generic.h
index 9d25a72de..7170bedbf 100644
--- a/src/devices/generic.h
+++ b/src/devices/generic.h
@@ -31,6 +31,10 @@ class Generic : public EMSdevice {
 
   private:
     static uuid::log::Logger logger_;
+
+    int16_t rfTemp_;
+
+    void process_RFSensorMessage(std::shared_ptr<const Telegram> telegram);
 };
 
 } // namespace emsesp
diff --git a/src/locale_EN.h b/src/locale_EN.h
index 891d62028..bf272d21b 100644
--- a/src/locale_EN.h
+++ b/src/locale_EN.h
@@ -659,3 +659,6 @@ MAKE_PSTR_LIST(collector1Type, F("collector1type"), F("collector 1 type"))
 // switch
 MAKE_PSTR_LIST(activated, F("activated"), F("activated"))
 MAKE_PSTR_LIST(status, F("status"), F("status"))
+
+// RF sensor, id 0x40, telegram 0x435
+MAKE_PSTR_LIST(RFTemp, F("rftemp"), F("RF room temperature sensor"));