diff --git a/main/main.h b/main/main.h
index 6032db7..51a0b17 100644
--- a/main/main.h
+++ b/main/main.h
@@ -26,7 +26,7 @@
 
 static TheThingsNetwork ttn;
 
-const unsigned TX_INTERVAL = 5;
+const unsigned TX_INTERVAL = 60*15;
 static uint8_t msgData[] = "0xBADC0DED";