fitTekĀ® radio Yagi Wifi antenna 2,4G 16-18DBI RP-SMA Wireless WiFi directional antenna silberig (Electronics)
I had a radio link over 600m 2 build these antennas in use. It worked. However, after I had massive problems with disconnects, I have the two antennas replaced by a TL-ANT2414B and a TL-ANT2424B from TP-Link. During the Yagis never more than 6Mbit /