RB433 series indoor case with holes for USB CA433U Indoor case (3 holes for Nfemale Bulkhead connectors or Swivel antennas and hole for USB). This new revision is slightly higher, to fit more miniPCI card models. Ships with different faceplate stickers, to match used ports. Fits RB433 series products Product specifications Details Product code CA433U Material Aluminium Purpose Indoor Color Black Suggested price $20.00