HandHeld Signal Detector for Anti FPV Working 1.5-2km 3 Channel 400Mhz-1.5Ghz 2.2-2.5Ghz 5.1-5.9Ghz Three types of antennas2.4G/5.8G high gain omnidirectional fiberglass antenna100-6000MHz full frequency omnidirectional fiberglass antenna100-6000MHz full frequency direct..