AohaiLink SmartPatrol VDES Terminal Model: AT-V20 Category: Shipborne Maritime Communications Equipment Designed for onboard AIS/VDES communications and information exchange, the product supports the reception and transmission of AIS, ASM and VDES-related information. It supports navigation safety, ship-to-shore and ship-to-ship information exchange, maritime supervision and emergency communications. Key Compliance: Complies with ITU-R M.1371-5、IEC 61162-1：2016、IEC 61993-2：2018、IEC PAS 63343：2021、ITU-R M.2092-1、ITU-R M.825-3、IEC61162-450：2018.