Do I understand you correctly? Do you want to improve the wireless range?
Here some tips to do it.
Optimize configuration of the device
First, please log into the product. Here we take TpLink 841Nv9 user interface as an example and then please go to Wireless->Wireless settings and change the channel settings, the default value is Auto and here we recommend select 1, 6 or 11 if you suffer high wireless interference.