Raymarine Ray 91 VHF Black Box with AIS Rx (inc wired handset, passive speaker and cable)Raymarine Ray 91 VHF Black Box with AIS Rx (inc wired handset, passive speaker and cable) The Ray91 modular VHF radio brings dual station communications and traffic management to a whole new level of power, performance, and flexibility. The Ray91 is a black box design with a transceiver that hides out of sight while the ergonomic RayMic handset and remote speaker provide full control of the radio with crystal clear audio. Key Features Black box, dual