diff --git a/loop/1_NPM/send_data.py b/loop/1_NPM/send_data.py
index 32219a0..7193836 100755
--- a/loop/1_NPM/send_data.py
+++ b/loop/1_NPM/send_data.py
@@ -337,11 +337,21 @@ try:
     print("</p>")
     match = re.search(r'\+CSQ:\s*(\d+),', response2)
     if match:
-        signal_quality = match.group(1)
-        print("Signal Quality:", signal_quality)
+        signal_quality = int(match.group(1))
         payload_csv[12]=signal_quality
         time.sleep(1)
 
+        # On vérifie si le signal n'est pas à 99 pour déconnexion
+        if signal_quality == 99:
+            print('<span style="color: red;font-weight: bold;">⚠️ATTENTION: Signal Quality indicates no signal (99)⚠️</span>')
+            print('🛑STOP LOOP🛑')
+            print("<hr>")
+            #on arrete le script pas besoin de continuer
+            exit()
+        else:
+            print("Signal Quality:", signal_quality)
+
+
     #print(payload_json)
 
     '''