diff --git a/examples/SecureMqtt/SecureMqtt.ino b/examples/SecureMqtt/SecureMqtt.ino
new file mode 100644
index 0000000..3d19f69
--- /dev/null
+++ b/examples/SecureMqtt/SecureMqtt.ino
@@ -0,0 +1,45 @@
+#include <CumulocityClient.h>
+#ifdef ESP8266
+    #include <ESP8266WiFi.h>
+#else //ESP32
+    #include <WiFiClientSecure.h>
+#endif
+
+const char *ssid = "........";
+const char *wifiPassword = "........";
+char *host = "xxx.cumulocity.com";
+char *username = "........";    // fixed credentials can be registered in the Administration section
+char *c8yPassword = "........"; // create a user in usermanagement with the "device"role and fill the credentials here
+char *tenant = "........";      //tenant ID can be found by clicking on your name in the top right corner of Cumulocity
+char *clientId = ".........";   //Should be a unique identifier for this device, e.g. IMEI, MAC address or SerialNumber
+
+WiFiClientSecure wifiClient;
+CumulocityClient c8yClient(wifiClient, clientId);
+
+void setup()
+{
+    Serial.begin(115200);
+    Serial.print("Connecting to WiFi");
+
+    WiFi.begin(ssid, wifiPassword);
+    while (WiFi.status() != WL_CONNECTED)
+    {
+        delay(500);
+        Serial.print(".");
+    }
+    Serial.println("connected to wifi");
+
+    c8yClient.connect(host, 8883, tenant, username, c8yPassword);
+    c8yClient.registerDevice(clientId, "c8y_esp32");
+}
+
+void loop()
+{
+    delay(3000);
+    c8yClient.loop();
+
+    int8_t rssi = WiFi.RSSI();
+    char rssiStr[10];
+    sprintf(rssiStr, "%d", rssi);
+    c8yClient.createMeasurement("SignalStrength", "T", rssiStr, "*db");
+}
\ No newline at end of file
diff --git a/src/CumulocityClient.cpp b/src/CumulocityClient.cpp
index c456ceb..bbcbf7e 100644
--- a/src/CumulocityClient.cpp
+++ b/src/CumulocityClient.cpp
@@ -22,10 +22,14 @@ bool CumulocityClient::reconnect() {
 }
 
 bool CumulocityClient::connect(char* host, char* tenant, char* user, char* password) {
+    return connect(host, 1883, tenant, user, password);
+}
 
+bool CumulocityClient::connect(char* host, uint16_t port, char* tenant, char* user, char* password) {
     Serial.printf("connect(%s,%s,%s)\n", host, tenant, user);
 
     _host = host;
+    _port = port;
     _credentials.tenant = tenant;
     _credentials.username = user;
     _credentials.password = password;
@@ -36,15 +40,20 @@ bool CumulocityClient::connect(char* host, char* tenant, char* user, char* passw
     _clientId = (char*) malloc(myClientId.length() +1);
     strcpy(_clientId,myClientId.c_str());
 
-    _client.setServer(_host, 1883);
+    _client.setServer(_host, _port);
 
     return connectClient();
 
 }
 
 bool CumulocityClient::connect(char* host, char* tenant, char* user, char* password, char* defaultTemplate) {
+    return connect(host, 1883, tenant, user, password, defaultTemplate);
+}
+
+bool CumulocityClient::connect(char* host, uint16_t port, char* tenant, char* user, char* password, char* defaultTemplate) {
 
     _host = host;
+    _port = port;
     _credentials.tenant = tenant;
     _credentials.username = user;
     _credentials.password = password;
@@ -57,7 +66,7 @@ bool CumulocityClient::connect(char* host, char* tenant, char* user, char* passw
     _clientId = (char*) malloc(myClientId.length() +1);
     strcpy(_clientId,myClientId.c_str());
 
-    _client.setServer(_host, 1883);
+    _client.setServer(_host, _port);
 
     return connectClient();
 
diff --git a/src/CumulocityClient.h b/src/CumulocityClient.h
index 1e52c9f..e52d051 100644
--- a/src/CumulocityClient.h
+++ b/src/CumulocityClient.h
@@ -39,7 +39,9 @@ class CumulocityClient {
 	
 	bool reconnect();
 	bool connect(char* host, char* tenant, char* user, char* password);
+	bool connect(char* host, uint16_t port, char* tenant, char* user, char* password);
 	bool connect(char* host, char* tenant, char* user, char* password, char* defaultTemplate);
+	bool connect(char* host, uint16_t port, char* tenant, char* user, char* password, char* defaultTemplate);
 	void disconnect();
 
 	void setDeviceCredentials(char* tenant, char* user, char* password);
@@ -65,6 +67,7 @@ class CumulocityClient {
 	PubSubClient _client;
 
 	char* _host;
+	uint16_t _port;
     Credentials _credentials;
 	char* _clientId;
 	bool _credentialsReceived;