diff --git a/chipset/realtek/btstack_chipset_realtek.c b/chipset/realtek/btstack_chipset_realtek.c
index 148cc522a..6db6a9858 100644
--- a/chipset/realtek/btstack_chipset_realtek.c
+++ b/chipset/realtek/btstack_chipset_realtek.c
@@ -492,9 +492,23 @@ void btstack_chipset_realtek_set_config_folder_path(const char *path) {
 #endif
 }
 
-void btstack_chipset_realtek_set_lmp_subversion(uint16_t version) { lmp_subversion = version; }
+void btstack_chipset_realtek_set_lmp_subversion(uint16_t version) {
+    lmp_subversion = version;
+}
 
-void btstack_chipset_realtek_set_product_id(uint16_t id) { product_id = id; }
+void btstack_chipset_realtek_set_product_id(uint16_t id) {
+    product_id = id;
+}
+
+uint16_t btstack_chipset_realtek_get_num_usb_controllers(void){
+    return (sizeof(fw_patch_table) / sizeof(patch_info)) - 1; // sentinel
+}
+
+void btstack_chipset_realtek_get_vendor_product_id(uint16_t index, uint16_t * out_vendor_id, uint16_t * out_product_id){
+    btstack_assert(index < ((sizeof(fw_patch_table) / sizeof(patch_info)) - 1));
+    *out_vendor_id = 0xbda;
+    *out_product_id = fw_patch_table[index].prod_id;
+}
 
 static const btstack_chipset_t btstack_chipset_realtek = {
     "REALTEK", chipset_init, chipset_next_command,
diff --git a/chipset/realtek/btstack_chipset_realtek.h b/chipset/realtek/btstack_chipset_realtek.h
index 2d461c26d..2f8ae46ca 100644
--- a/chipset/realtek/btstack_chipset_realtek.h
+++ b/chipset/realtek/btstack_chipset_realtek.h
@@ -88,6 +88,20 @@ void btstack_chipset_realtek_set_lmp_subversion(uint16_t version);
  */
 void btstack_chipset_realtek_set_product_id(uint16_t id);
 
+/**
+ * @brief Get num USB Controllers
+ * @return num controllers
+ */
+uint16_t btstack_chipset_realtek_get_num_usb_controllers(void);
+
+/**
+ * @brief Get Vendor/Product ID for Controller with index
+ * @param index
+ * @param out_vendor_id
+ * @param out_product_id
+ */
+void btstack_chipset_realtek_get_vendor_product_id(uint16_t index, uint16_t * out_vendor_id, uint16_t * out_product_id);
+
 /**
  * Get chipset instance for REALTEK chipsets
  */