diff --git a/nrf5/modules/ubluepy/ubluepy_constants.c b/nrf5/modules/ubluepy/ubluepy_constants.c
index c9980b06bd..6b808905b3 100644
--- a/nrf5/modules/ubluepy/ubluepy_constants.c
+++ b/nrf5/modules/ubluepy/ubluepy_constants.c
@@ -31,11 +31,57 @@
 
 #include "modubluepy.h"
 
+STATIC const mp_map_elem_t ubluepy_constants_ad_types_locals_dict_table[] = {
+    // GAP AD Types
+    { MP_OBJ_NEW_QSTR(MP_QSTR_AD_TYPE_FLAGS),                              MP_OBJ_NEW_SMALL_INT(0x01) },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_AD_TYPE_16BIT_SERVICE_UUID_MORE_AVAILABLE),  MP_OBJ_NEW_SMALL_INT(0x02) },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_AD_TYPE_16BIT_SERVICE_UUID_COMPLETE),        MP_OBJ_NEW_SMALL_INT(0x03) },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_AD_TYPE_32BIT_SERVICE_UUID_MORE_AVAILABLE),  MP_OBJ_NEW_SMALL_INT(0x04) },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_AD_TYPE_32BIT_SERVICE_UUID_COMPLETE),        MP_OBJ_NEW_SMALL_INT(0x05) },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_AD_TYPE_128BIT_SERVICE_UUID_MORE_AVAILABLE), MP_OBJ_NEW_SMALL_INT(0x06) },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_AD_TYPE_128BIT_SERVICE_UUID_COMPLETE),       MP_OBJ_NEW_SMALL_INT(0x07) },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_AD_TYPE_SHORT_LOCAL_NAME),                   MP_OBJ_NEW_SMALL_INT(0x08) },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_AD_TYPE_COMPLETE_LOCAL_NAME),                MP_OBJ_NEW_SMALL_INT(0x09) },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_AD_TYPE_TX_POWER_LEVEL),                     MP_OBJ_NEW_SMALL_INT(0x0A) },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_AD_TYPE_CLASS_OF_DEVICE),                    MP_OBJ_NEW_SMALL_INT(0x0D) },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_AD_TYPE_SIMPLE_PAIRING_HASH_C),              MP_OBJ_NEW_SMALL_INT(0x0E) },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_AD_TYPE_SIMPLE_PAIRING_RANDOMIZER_R),        MP_OBJ_NEW_SMALL_INT(0x0F) },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_AD_TYPE_SECURITY_MANAGER_TK_VALUE),          MP_OBJ_NEW_SMALL_INT(0x10) },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_AD_TYPE_SECURITY_MANAGER_OOB_FLAGS),         MP_OBJ_NEW_SMALL_INT(0x11) },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_AD_TYPE_SLAVE_CONNECTION_INTERVAL_RANGE),    MP_OBJ_NEW_SMALL_INT(0x12) },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_AD_TYPE_SOLICITED_SERVICE_UUIDS_16BIT),      MP_OBJ_NEW_SMALL_INT(0x14) },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_AD_TYPE_SOLICITED_SERVICE_UUIDS_128BIT),     MP_OBJ_NEW_SMALL_INT(0x15) },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_AD_TYPE_SERVICE_DATA),                       MP_OBJ_NEW_SMALL_INT(0x16) },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_AD_TYPE_PUBLIC_TARGET_ADDRESS),              MP_OBJ_NEW_SMALL_INT(0x17) },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_AD_TYPE_RANDOM_TARGET_ADDRESS),              MP_OBJ_NEW_SMALL_INT(0x18) },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_AD_TYPE_APPEARANCE),                         MP_OBJ_NEW_SMALL_INT(0x19) },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_AD_TYPE_ADVERTISING_INTERVAL),               MP_OBJ_NEW_SMALL_INT(0x1A) },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_AD_TYPE_LE_BLUETOOTH_DEVICE_ADDRESS),        MP_OBJ_NEW_SMALL_INT(0x1B) },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_AD_TYPE_LE_ROLE),                            MP_OBJ_NEW_SMALL_INT(0x1C) },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_AD_TYPE_SIMPLE_PAIRING_HASH_C256),           MP_OBJ_NEW_SMALL_INT(0x1D) },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_AD_TYPE_SIMPLE_PAIRING_RANDOMIZER_R256),     MP_OBJ_NEW_SMALL_INT(0x1E) },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_AD_TYPE_SERVICE_DATA_32BIT_UUID),            MP_OBJ_NEW_SMALL_INT(0x20) },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_AD_TYPE_SERVICE_DATA_128BIT_UUID),           MP_OBJ_NEW_SMALL_INT(0x21) },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_AD_TYPE_URI),                                MP_OBJ_NEW_SMALL_INT(0x24) },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_AD_TYPE_3D_INFORMATION_DATA),                MP_OBJ_NEW_SMALL_INT(0x3D) },
+    { MP_OBJ_NEW_QSTR(MP_QSTR_AD_TYPE_MANUFACTURER_SPECIFIC_DATA),         MP_OBJ_NEW_SMALL_INT(0xFF) },
+};
+
+STATIC MP_DEFINE_CONST_DICT(ubluepy_constants_ad_types_locals_dict, ubluepy_constants_ad_types_locals_dict_table);
+
+const mp_obj_type_t ubluepy_constants_ad_types_type = {
+    { &mp_type_type },
+    .name = MP_QSTR_ad_types,
+    .locals_dict = (mp_obj_t)&ubluepy_constants_ad_types_locals_dict
+};
+
 STATIC const mp_map_elem_t ubluepy_constants_locals_dict_table[] = {
     // GAP events
     { MP_OBJ_NEW_QSTR(MP_QSTR_EVT_GAP_CONNECTED),    MP_OBJ_NEW_SMALL_INT(16) },
     { MP_OBJ_NEW_QSTR(MP_QSTR_EVT_GAP_DISCONNECTED), MP_OBJ_NEW_SMALL_INT(17) },
     { MP_OBJ_NEW_QSTR(MP_QSTR_UUID_CCCD),            MP_OBJ_NEW_SMALL_INT(0x2902) },
+
+    { MP_OBJ_NEW_QSTR(MP_QSTR_ad_types),             (mp_obj_t)(&ubluepy_constants_ad_types_type) },
 };
 
 STATIC MP_DEFINE_CONST_DICT(ubluepy_constants_locals_dict, ubluepy_constants_locals_dict_table);