diff --git a/codec2talkie/build.gradle b/codec2talkie/build.gradle
index d806cef..7e6b70d 100644
--- a/codec2talkie/build.gradle
+++ b/codec2talkie/build.gradle
@@ -10,8 +10,8 @@ android {
         applicationId "com.radio.codec2talkie"
         minSdkVersion 23
         targetSdkVersion 30
-        versionCode 156
-        versionName "1.56"
+        versionCode 157
+        versionName "1.57"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
diff --git a/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/AprsIs.java b/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/AprsIs.java
index 9db92f7..0d322c0 100644
--- a/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/AprsIs.java
+++ b/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/AprsIs.java
@@ -76,7 +76,7 @@ public class AprsIs implements Protocol, Runnable {
 
         SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context);
         _isRxGateEnabled = sharedPreferences.getBoolean(PreferenceKeys.APRS_IS_ENABLE_RX_GATE, false);
-        _isTxGateEnabled = sharedPreferences.getBoolean(PreferenceKeys.APRS_IS_ENABLE_TX_GATE, false);
+        _isTxGateEnabled = false; // sharedPreferences.getBoolean(PreferenceKeys.APRS_IS_ENABLE_TX_GATE, false);
         _isSelfEnabled = sharedPreferences.getBoolean(PreferenceKeys.APRS_IS_ENABLE_SELF, false);
         _callsign = sharedPreferences.getString(PreferenceKeys.AX25_CALLSIGN, "N0CALL");
         _ssid = sharedPreferences.getString(PreferenceKeys.AX25_SSID, "0");
diff --git a/codec2talkie/src/main/res/xml/preferences_aprs_is.xml b/codec2talkie/src/main/res/xml/preferences_aprs_is.xml
index 5dffe4e..ff3bd04 100644
--- a/codec2talkie/src/main/res/xml/preferences_aprs_is.xml
+++ b/codec2talkie/src/main/res/xml/preferences_aprs_is.xml
@@ -27,6 +27,7 @@
 
         <SwitchPreference
             app:key="aprs_is_enable_tx_gate"
+            app:enabled="false"
             app:title="@string/aprs_is_enable_tx_gate_title"
             app:summary="@string/aprs_is_enable_tx_gate_summary"
             app:defaultValue="false">