1in Pole Adapter for the RTL-SDR Diapole Antenna

Choose from 120 degrees horizontal, 180 degrees horizontal, or 180 degrees vertical alignment to optimize your signal reception. Each adapter features a counter-sunk hole for a 1/4"-20 thread, 1/2" long flat head screw. The dipole antennas are fastened using 2.5mm wide zip ties, and the adapters themselves are secured using 4.5mm wide zip ties.