Fangrui Product Details Antenna Test Assistant: The Mini At-dp Adapter Board Can Be Used For Multi-antenna Testing To Solve The Problem Of Connecting The Feeder To The Array During Antenna Testing. It Allows You To Connect The Feeder And Array More Easily And Firmly, So As To Verify Your Ideas And Faster Install Various Antennas At : This Antenna Accessory Can Be Used To Adjust Various Shortwave Antennas, Such As Long-line, End-fed, Horizontal Uniform Speed, Vertical Antenna, V-shaped Data, Inverted V-shaped Data, Nvis And Other Antennas, Allowing You To Set Up Antennas More Freely Outdoors Quick Installation: You Can Use Shortwave Radio Transmitting Antennas To Quickly Install The Antenna Feed System On Site. In The Face Of Outdoor Rescue Communication , It Can Be Quickly Set Up And Connected In A Short Time, Making Your Connection More Convenient And Reliable. Small Size: This Shortwave Antenna Is Very Small. You Can Easily Put It In Your Pocket To Avoid Carrying Heavy Antenna Equipment, Allowing You To Go Into Batt