Hello, the attached is a 4g wifi device however where i live the cell tower signal is very weak, how can i attach external antenna to it for better cell reception and hence better 4g speed

 

Use DIY unit promoted by term - the CANTENNA. https://ewpoiscrap.netlify.com/cantenna-wifi-calculator.html

https://www.developingtelecoms.com/images/stories/Features/cantenna_l.jpg

https://encrypted-tbn0.gstatic.com/...aLuVyibC-hAJ095fV22EIHaALs7DJrBup4oE&usqp=CAU

https://www.google.com/url?sa=i&url=http://www.foggydave.co.uk/foggydaves_cantenna.htm& psig=AOvVaw3RY9dXR4c9JMd38joDY4Ui&ust=1589893242899000&source=images&cd=vfe&ved=0CAIQjRxqFwoTCOiamqm8vekCFQAAAAAdAAAAABAR

 

PS However beforehand explore what U have. Abbreviation 4G shows that You have a deal with 1,7-1,8 GHz, but abbreviation WiFi means You have deal with 2,4 GHz. You must know at the beginning.