diff --git a/app/src/main/java/ru/ua1zbe/svxremote/MainActivity.kt b/app/src/main/java/ru/ua1zbe/svxremote/MainActivity.kt
index b87cdbf..be9a847 100644
--- a/app/src/main/java/ru/ua1zbe/svxremote/MainActivity.kt
+++ b/app/src/main/java/ru/ua1zbe/svxremote/MainActivity.kt
@@ -55,6 +55,7 @@ class MainActivity : Activity(), SvxService.Listener {
     private lateinit var lblTg: TextView
     private lateinit var lblTalkerTitle: TextView
     private lateinit var lblTalker: TextView
+    private lateinit var lblDuplex: TextView
     private lateinit var lblPttHint: TextView
     private lateinit var lblTxState: TextView
     private lateinit var lblConnectHint: TextView
@@ -131,6 +132,7 @@ class MainActivity : Activity(), SvxService.Listener {
         lblSubtitle = findViewById(R.id.lbl_subtitle)
         lblTalkerTitle = findViewById(R.id.lbl_talker_title)
         lblTalker = findViewById(R.id.lbl_talker)
+        lblDuplex = findViewById(R.id.lbl_duplex)
         lblPttHint = findViewById(R.id.lbl_ptt_hint)
         lblTxState = findViewById(R.id.lbl_tx_state)
         lblConnectHint = findViewById(R.id.lbl_connect_hint)
@@ -236,6 +238,7 @@ class MainActivity : Activity(), SvxService.Listener {
                 }
                 lblPttHint.text = getString(R.string.ptt_talking)
                 lblTxState.text = getString(R.string.status_big_talking)
+                showDuplex(getString(R.string.duplex_tx), R.color.danger, null)
                 svc?.startTx()
             }
 
@@ -246,6 +249,7 @@ class MainActivity : Activity(), SvxService.Listener {
                 lblTxState.text =
                     if (connected) getString(R.string.status_big_connected)
                     else getString(R.string.status_big_disconnected)
+                hideDuplex()
             }
         })
 
@@ -407,15 +411,14 @@ class MainActivity : Activity(), SvxService.Listener {
                 // Во время своей передачи группу не меняем.
                 if (!pttButton.isPressed2) {
                     svc?.selectGroup(tg)
-                    lblTalkerTitle.text = getString(R.string.talker_mon, callsign, tg)
-                    lblTalkerTitle.setTextColor(getColor(R.color.text_secondary))
-                    lblTalker.text = callsign
                 }
                 resetMonitorIdle()
-            } else {
-                lblTalkerTitle.text = getString(R.string.talker_now, callsign)
-                lblTalkerTitle.setTextColor(getColor(R.color.text_secondary))
-                lblTalker.text = callsign
+            }
+            lblTalkerTitle.text = getString(R.string.talker_now, tg)
+            lblTalkerTitle.setTextColor(getColor(R.color.text_secondary))
+            lblTalker.text = callsign
+            if (!pttButton.isPressed2) {
+                showDuplex(getString(R.string.duplex_rx), R.color.accent, DUPLEX_RX_HIDE_MS)
             }
         }
     }
@@ -483,6 +486,10 @@ class MainActivity : Activity(), SvxService.Listener {
                 micMeter.setLevel(level)
             } else { // SRC_SPEAKER
                 rxMeter.setLevel(level)
+                // «RX» пока идёт голос; при своей передаче не показываем
+                if (!pttButton.isPressed2 && level > 0.03f) {
+                    showDuplex(getString(R.string.duplex_rx), R.color.accent, DUPLEX_RX_HIDE_MS)
+                }
                 // Голос на текущей группе — откладываем возврат ко всем группам
                 if (monitoring && connected && level > 0.03f) {
                     resetMonitorIdle()
@@ -504,6 +511,26 @@ class MainActivity : Activity(), SvxService.Listener {
         mainHandler.postDelayed(task, MONITOR_IDLE_MS)
     }
 
+    // ---------- Индикатор RX/TX ----------
+    private val DUPLEX_RX_HIDE_MS = 1500L
+    private var duplexHideTask: Runnable? = null
+
+    private fun showDuplex(text: String, colorRes: Int, hideAfterMs: Long?) {
+        lblDuplex.text = text
+        lblDuplex.setTextColor(getColor(colorRes))
+        lblDuplex.visibility = View.VISIBLE
+        duplexHideTask?.let { mainHandler.removeCallbacks(it) }
+        if (hideAfterMs != null) {
+            val t = Runnable { lblDuplex.visibility = View.INVISIBLE }
+            duplexHideTask = t
+            mainHandler.postDelayed(t, hideAfterMs)
+        }
+    }
+
+    private fun hideDuplex() {
+        duplexHideTask?.let { mainHandler.removeCallbacks(it) }
+        lblDuplex.visibility = View.INVISIBLE
+    }
     override fun onError(detail: String) {
         mainHandler.post {
             toast(detail)
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 25207b8..140db09 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -205,6 +205,17 @@
         android:singleLine="true"
         android:ellipsize="end" />
 
+    <!-- Индикация направления: RX (приём) / TX (передача) -->
+    <TextView
+        android:id="@+id/lbl_duplex"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="2dp"
+        android:gravity="center"
+        android:textSize="16sp"
+        android:textStyle="bold"
+        android:visibility="invisible" />
+
     <Space
         android:layout_width="match_parent"
         android:layout_height="0dp"
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index f40165c..2435580 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -41,7 +41,9 @@
     <string name="monitor_off">Обычный режим</string>
     <string name="btn_monitor_on">Мониторинг групп включен (нажмите, чтобы выключить)</string>
     <string name="status_monitoring">Мониторинг: %1$s</string>
-    <string name="talker_mon">Говорит: %1$s · TG%2$d</string>
+    <string name="talker_now">Говорит TG%1$d</string>
+    <string name="duplex_rx">RX</string>
+    <string name="duplex_tx">TX</string>
     <string name="status_big_disconnected">DISCONNECTED</string>
     <string name="status_big_connected">CONNECTED</string>
     <string name="status_big_talking">ПЕРЕДАЧА</string>
@@ -69,7 +71,6 @@
     <string name="btn_disconnect">Отключиться</string>
 
     <string name="talker_none">—</string>
-    <string name="talker_now">Последний: %1$s</string>
     <string name="talker_on_tg">группа %1$d</string>
 
     <string name="ptt_hint">Удерживайте кнопку, чтобы говорить</string>