This is the first item's accordion body. Jotron’s Tron AIS TR-8000 MkII is an enhanced Automatic Identification System (AIS). It is designed for use on inland waterways and complies with new IEC requirements for Bridge Alert Management (BAM) and the latest AIS Class A standards. Tron AIS TR-8000 MkII has a separate display and transceiver unit, both with a compact design for simple installation. Features: Complies with: new requirements for BAM (IEC 62923-1:201, IEC 62923-2:2018) Latest AIS standard (IEC 61993-2:2018) Approved for inland waterway installations FCC and MED compliant 7’’ high-resolution touch screen, IP54 Dual display External interface cables connected inside transponder unit Simple installation and easy retrofit