The 99.875 transponder card key by Mottura is an accessory of the B-Technology range, designed for fast and secure opening of compatible electronic locks. It uses integrated RFID technology, allowing immediate recognition by BTAG readers and compatible locks. Access management is handled via a master smartphone with the bMottura app, enabling activation or deactivation of cards and time slot scheduling. Compact and durable, the card is ideal for residential, commercial, and office environments.