diff --git a/app/model/models.py b/app/model/models.py
index 87e7e33..02191da 100644
--- a/app/model/models.py
+++ b/app/model/models.py
@@ -7,7 +7,7 @@ class Base(SQLModel):
 
 #### User
 class UserBase(Base):
-    name: str = Field(index=True)
+    name: str = Field(index=True, unique=True)
     email: str | None = None
     is_admin: bool = False
 
@@ -85,9 +85,17 @@ class AccessAuthorizationUpdate(Base):
 class Card(Base, table=True):
     id: int | None = Field(default=None, primary_key=True)
     key: str
+    card_serial: str
+    enabled: bool = True
+    name: str = Field(unique=True, max_length=32)
     group_id: int | None = Field(default=None, foreign_key="groupdb.id")
     group: GroupDB | None = Relationship(back_populates="cards")
 
+class CardCreate(Base):
+    name: str = Field(unique=True, max_length=32)
+    enabled: bool = True
+    group_id: int
+
 class TimetableBase(Base):
     weekday: int = Field(le=6, ge=0)
     starttime: time