diff --git a/ESP-sc-gway/ESP-sc-gway.h b/ESP-sc-gway/ESP-sc-gway.h
index 59c5878..6552fa6 100644
--- a/ESP-sc-gway/ESP-sc-gway.h
+++ b/ESP-sc-gway/ESP-sc-gway.h
@@ -31,7 +31,7 @@
 
 // Debug message will be put on Serial is this one is set.
 // If set to 0, not USB Serial prints are done
-// Set to 1 it will prinr all user level messages (with correct debug set)
+// Set to 1 it will print all user level messages (with correct debug set)
 // If set to 2 it will also print interrupt messages (not recommended)
 #define DUSB 1
 
@@ -41,7 +41,7 @@
 // Normally, value 0 is a good default.
 #define _SPIFF_FORMAT 0
 
-// Define the LoRa Frequncy band that is used. TTN Supported values are 925MHz, 868MHz and 433MHz.
+// Define the LoRa Frequncy band that is used. TTN Supported values are 915MHz, 868MHz and 433MHz.
 // So supported values are: 433 868 915
 #define _LFREQ 868
 
@@ -270,4 +270,4 @@ wpas wpa[] = {
 #define ASSERT(cond) if(!(cond)) gway_failed(__FILE__, __LINE__)
 #else
 #define ASSERT(cond) /**/
-#endif
\ No newline at end of file
+#endif
diff --git a/ESP-sc-gway/_txRx.ino b/ESP-sc-gway/_txRx.ino
index 75e6f46..d11c106 100644
--- a/ESP-sc-gway/_txRx.ino
+++ b/ESP-sc-gway/_txRx.ino
@@ -60,7 +60,7 @@ int sendPacket(uint8_t *buf, uint8_t length)
 	//		CFList (fill to 16 bytes)
 			
 	int i=0;
-	StaticJsonBuffer<312> jsonBuffer;
+	StaticJsonDocument<312> jsonBuffer;
 	char * bufPtr = (char *) (buf);
 	buf[length] = 0;
 	
@@ -73,9 +73,9 @@ int sendPacket(uint8_t *buf, uint8_t length)
 #endif
 	// Use JSON to decode the string after the first 4 bytes.
 	// The data for the node is in the "data" field. This function destroys original buffer
-	JsonObject& root = jsonBuffer.parseObject(bufPtr);
+  auto error = deserializeJson(jsonBuffer, bufPtr);
 		
-	if (!root.success()) {
+	if (error) {
 #if DUSB>=1
 		if (( debug>=1) && (pdebug & P_TX)) {
 			Serial.print (F("T sendPacket:: ERROR Json Decode"));
@@ -94,6 +94,7 @@ int sendPacket(uint8_t *buf, uint8_t length)
 	// {"txpk":{"codr":"4/5","data":"YCkEAgIABQABGmIwYX/kSn4Y","freq":868.1,"ipol":true,"modu":"LORA","powe":14,"rfch":0,"size":18,"tmst":1890991792,"datr":"SF7BW125"}}
 
 	// Used in the protocol of Gateway:
+  JsonObject root = jsonBuffer.to<JsonObject>();
 	const char * data	= root["txpk"]["data"];			// Downstream Payload
 	uint8_t psize		= root["txpk"]["size"];
 	bool ipol			= root["txpk"]["ipol"];
@@ -710,4 +711,3 @@ int receivePacket()
 	return(0);											// failure no message read
 	
 }//receivePacket
-
diff --git a/ESP-sc-gway/_wwwServer.ino b/ESP-sc-gway/_wwwServer.ino
index 43810e5..4b3e0f1 100644
--- a/ESP-sc-gway/_wwwServer.ino
+++ b/ESP-sc-gway/_wwwServer.ino
@@ -42,10 +42,10 @@
 // ----------------------------------------------------------------------------
 static void printIP(IPAddress ipa, const char sep, String& response)
 {
-	response+=(IPAddress)ipa[0]; response+=sep;
-	response+=(IPAddress)ipa[1]; response+=sep;
-	response+=(IPAddress)ipa[2]; response+=sep;
-	response+=(IPAddress)ipa[3];
+	response+=ipa[0]; response+=sep;
+	response+=ipa[1]; response+=sep;
+	response+=ipa[2]; response+=sep;
+	response+=ipa[3];
 }
 
 //