Will the VHF radio continue to operate if the power supply fails or is turned off? (B953 / B954 only) 15 July 2025 08:49 Yes, without power to the B953 or B954 the VHF radio will continue to operate. Related articles How do I use proAIS2? MED Modules B and D certificates What is the default Access Point password for the B952 / B954? How do I use CONNECT-AIS? proAIS2 040300.01.26.01 for Windows and macOS