No signal after using plate gain antenna

Wireless client and wireless AP in a different building, far away, in order to receive the signal, the use of the plate gain antenna, but still no signal.

In general, adding an external gain antenna will increase the distance of the network connection, the network terminal has no signal, the directional fault may be directional antenna. You can adjust the direction, vertical angle to debug, the fault can disappear.

In addition, check the cables and connections between the wireless antenna and the wireless AP. Through the long-distance connection wireless network, generally chooses the high gain, the directional strong eight wood antenna, the parabolic antenna 扽. After the design, some of the plate antenna also has a strong directional and directional gain.