pd4dPD4D Quad Dital Decoder Specification ASI Input Connector 1 x 50 Ω BNC Format DVB-ASI (EN50083-9) Rate (Transport Stream) 160 Mbps Packets Sizes 188204 (AUTO) IP InputSize: PD4D Endo scaling tip can be autoclaved between 5-20 minutes at 134°C The PD4D are used to remove subgingival calculus and interdental calculus.