coffeebaron:

 

You need 2x antenna on opposing 45 degree angle or one of these: https://www.gowifi.co.nz/ant-228.html 

 

OP - If you haven't got one of these, do it. I've got customers who "weren't in coverage" regularly hitting speeds around 50-60Mbps and peaking to over 100Mbps. Makes a huge difference.