up

internal/devices/antennagenius/antennagenius.go

@@ -420,7 +420,14 @@ func (c *Client) GetStatus() (*Status, error) {
 		return &Status{Connected: false}, nil
 	}
 
-	return c.lastStatus, nil
+	// Check if device is actually alive
+	// If no antennas and all values are default, device is probably off
+	status := *c.lastStatus
+	if len(status.Antennas) == 0 || (status.PortA != nil && status.PortA.Source == "" && status.PortB != nil && status.PortB.Source == "") {
+		status.Connected = false
+	}
+
+	return &status, nil
 }
 
 // SetAntenna sets the antenna for a specific port

internal/devices/powergenius/powergenius.go

@@ -164,6 +164,12 @@ func (c *Client) pollLoop() {
 			// Mark as connected
 			status.Connected = true
 
+			// Check if device is actually alive (not just TCP connected)
+			// If voltage is 0 and temperature is 0, device is probably off
+			if status.Voltage == 0 && status.Temperature == 0 {
+				status.Connected = false
+			}
+
 			// Peak hold logic - keep highest power for 1 second
 			now := time.Now()
 			if c.lastStatus != nil {

internal/devices/tunergenius/tunergenius.go

@@ -163,6 +163,12 @@ func (c *Client) pollLoop() {
 			// Mark as connected
 			status.Connected = true
 
+			// Check if device is actually alive
+			// If all frequencies are 0, device is probably off
+			if status.FreqA == 0 && status.FreqB == 0 && status.PowerForward == 0 {
+				status.Connected = false
+			}
+
 			// Peak hold logic - keep highest power for 1 second
 			now := time.Now()
 			if c.lastStatus != nil {