GA150 GPS/FLONASS External Antenna f/a9 & a12 Series OnlyRaymarine's GA150 external antenna for the a9 and a12 multifunction displays enables the use of the MFD's internal GPS/GLONASS receiver in challenging, below-decks installations. The GA150 connects directly to the external antenna connection on the rear of a9 and a12 displays and passes the satellite signals to the MFD's internal receiver. The ultra-compact GA150 can be pole mounted using the included pole mounting kit, or surface mounted to any horizontal surface using the included surface mounting kit. The antenna has a 10-meter cable with TNC connector and works exclusively with the a9 and a12 systems.Features:Ideal for internal installationsGreat for challenging below-deck applications