The VHF 200i comes standard with a two-way hailer system and is also NMEA 0183 and NMEA 2000 compliant to offer greater onboard flexibility and functionality. The VHF 200i comes standard with a removable speaker microphone and a built-in 20-watt public address (hailer) system that can be connected to a hailer horn or external speaker on the deck or tower. The VHF 200i also supports one wired GHS 10 hand-set microphone that allows full radio control from a remote location.