FLEX-6400/6600 Extended Transmit ModuleRequired for MARS, Shares or other users who require out of amateur band transmit. A government issued license is required to enable this option. A TURF file will be provided by our support department upon receipt...

Ships in 5 days.The optional, FLEX-6400 or FLEX-6400M automatic antenna tuner capable of tuning antennas up to 3:1 or better on 80-10m and 2.5:1 on 160m and 6m.