diff --git a/doc/TESTING_GNB_W_COTS_UE.md b/doc/TESTING_GNB_W_COTS_UE.md
index cd2da4eda5..a6a45c0a97 100644
--- a/doc/TESTING_GNB_W_COTS_UE.md
+++ b/doc/TESTING_GNB_W_COTS_UE.md
@@ -23,6 +23,7 @@ The scheme below depicts our typical setup:
 
 ![image info](./testing_gnb_w_cots_ue_resources/oai_fr1_setup.jpg)
 
+![image info](./testing_gnb_w_cots_ue_resources/oai_fr1_lab.jpg)
 
 ## Build / Install