New Directional 2.4GHz Patch Antenna - Johanson Technology
Directional Patch 5.8Ghz SMA Articulated Antenna
Design and application of a directional patch antenna with enhanced bandwidth for an aircraft altitude measuring system | Semantic Scholar
New Horizontally Polarized Directional Patch Antenna for L / S Bands | Southwest Antennas - High Performance RF and Microwave Antennas & Custom Antenna Manufacturing