Automatic Screwdriver Antenna Controller for Yaesu

Ameritron's SDC-104 is perfect for your Yaesu rig equipped with a CI-V
interface. Connect the controller to your transceiver and the SDC-104 receives
the frequency data and will automatically tune your screwdriver antenna. Has
all the great features of the SDC-102 and includes the rig interface cable to
receive frequency data. 3-1/2"W x 3-1/4"H x 1-1/4"D.