keep clear video signal from further distance

Well made 12dbi 5.8G patch antenna,3km can reach by 5.8G 200mw tx and this antenna , and the signal was still good! Its integrated seat makes it possible to put it on your car rood, no tripod is needed.
 

Specifications of 5.8G 12dBI Mini Panel Antenna:
Band :5600-5900MHZ
Gain: 12 dbi
Lobe level: 45 degrees
Vertical lobe: 30 degrees
VSWR: <2.0
Input impedance: 50 Ohm
Polarization: Vertical
Max power: 50W
Interface: RP-SMA
Size: 88x70x120mm
Weight: 75g