diff --git a/orbbec_camera/include/orbbec_camera/constants.h b/orbbec_camera/include/orbbec_camera/constants.h
index b2615132..3cc7eda0 100644
--- a/orbbec_camera/include/orbbec_camera/constants.h
+++ b/orbbec_camera/include/orbbec_camera/constants.h
@@ -143,13 +143,15 @@ const int32_t GEMINI_435Le_PID = 0x815;                   // Gemini 435Le
 const int32_t GEMINI_305_PID = 0x0840;                    // Gemini 305
 const int32_t GEMINI_305_PID2 = 0x0841;                   // Gemini 305
 const int32_t GEMINI_305G_PID = 0x0842;                   // Gemini 305g
+const int32_t GEMINI_309G_PID = 0x0845;                   // Gemini 309g
 const int32_t GEMINI_338LG_PID = 0x081A;                  // Gemini 338Lg
 const int32_t GEMINI_338LE_PID = 0x081B;                  // Gemini 338Le
 const int32_t GEMINI_338L_PID = 0x081C;                   // Gemini 338L
 const int32_t GEMINI_331L_PID = 0x081D;                   // Gemini 331L
 
 inline bool isGemini305SeriesPID(uint32_t pid) {
-  return pid == GEMINI_305_PID || pid == GEMINI_305_PID2 || pid == GEMINI_305G_PID;
+  return pid == GEMINI_305_PID || pid == GEMINI_305_PID2 || pid == GEMINI_305G_PID ||
+         pid == GEMINI_309G_PID;
 }
 
 }  // namespace orbbec_camera