Antenna GP Positive V Inverted V Dipole Mini AT-DP Adapter Board Board Long Line End Feed Detachable for Set Antenna for Outdoor. Feature: 1. Antenna Test Helper: Mini AT-DP Adapter Board can be applied to the test of various antennas to solve the problem of feeder and array connection when testing antennas. 2. Random Installation of Various Antennas: Antenna Accessories can be used to set various short-wave antennas. 3. Quick Installation: You can apply Shortwave Radio Transmitting Antenna to the fast on-site installation of antenna feeder system. 4. Small Size: This Shortwave Antenna is very compact. 5. Durable and Expandable: The main board of Mini AT-DP Adapter is made of high-strength fiberboard. Specification: Origin: Mainland China, Certification: NONE, External dimension: 8x3x5cm/3.1x1.1x1.9in, Main board material: high-strength fiberboard, Ring structure: GB 304 stainless steel, Withstand power: 300w. Note: After installation, check whether all parts are fastened to avoid equipment damage due to incorrect fastening. During high-power transmission, it is recommended to fix the vibrator by welding or multi-point fixation to ensure stable and reliable connection.