Gsm / Gprs Horn Antenna 900/1800mhz T Type Antenna 1.5 Meters Rg174 Line Four Frequency Antenna Antena Gps Antenne Wifi - Communications Antennas - AliExpress
Antenna Theory - Horn
Holmdel Horn Antenna - Wikipedia
WR-430 Waveguide Standard Gain Horn Antenna Operating From 1.7 GHz to 2.6 GHz With a Nominal 10 dBi Gain With CPR-430F Flange