diff --git a/examples/OneOpenAir/OneOpenAir.ino b/examples/OneOpenAir/OneOpenAir.ino
index f767a75..db908b3 100644
--- a/examples/OneOpenAir/OneOpenAir.ino
+++ b/examples/OneOpenAir/OneOpenAir.ino
@@ -76,6 +76,7 @@ CC BY-SA 4.0 Attribution-ShareAlike 4.0 International License
 #define DISPLAY_DELAY_SHOW_CONTENT_MS 2000             /** ms */
 #define FIRMWARE_CHECK_FOR_UPDATE_MS (60 * 60 * 1000)  /** ms */
 
+#define MEASUREMENT_TRANSMIT_CYCLE 3
 #define MAXIMUM_MEASUREMENT_CYCLE_QUEUE 80
 #define RESERVED_MEASUREMENT_CYCLE_CAPACITY 10
 
@@ -1364,6 +1365,13 @@ void postUsingCellular() {
     return;
   }
 
+  // Check queue size if its ready to transmit
+  // It is ready if size is 1 or divisible by 3 
+  if (queueSize != 1 && (queueSize % MEASUREMENT_TRANSMIT_CYCLE) > 0) {
+    Serial.printf("Not ready to transmit, queue size are %d\n", queueSize);
+    return;
+  }
+
   // Build payload include all measurements from queue
   std::string payload;
   payload += std::to_string(CELLULAR_MEASUREMENT_INTERVAL / 1000); // Convert to seconds