1.AT-140 is made very weatherproof using acrylic casing with rubber gaskets. This unit is installed near the base of the antenna element.
2.AT-140 is recommended to be the ideal companion for IC-M802 Single Side Band, AT-140 also works well for other Icom marcus SSB radios like IC-M710 and IC-M700PRO.
3.AT-140 automatically adjusts up to 45 frequencies.
back to initial frequency takes only about 1 second.
4.Tune up in less than 3 seconds on each marine High Frequency band.
5.AT-140 emits very little output power (only 300mW) during the tuning process, reducing the possibility of interference with other stations.