LDG AT-200 Pro
Rear Panel

The LDG AT-200 Pro rear panel has SO239's for Antenna Input 1 and Antenna Input 2. Output to the transcevier is also SO239. The DC input jack is 2.5 by 5.5 mm. The jack marked Radio Control is a stereo (3 conductor) 1/8 inch (3.5 mm) jack. The wing nut is for grounding.