"Added March 16, 2016: All branches of this repo now support the ant_sel module option for rtl8723be. In addition, patches to implement this feature have been submitted to the linux-wireless repo. If accepted, they should appear in kernel 4.7; however, they will be backported to kernels 4.0 and newer when they reach mainline."
It's the antenna selection that fixes the problem.
Comments
It points to another repo[1] that says this:
"Added March 16, 2016: All branches of this repo now support the ant_sel module option for rtl8723be. In addition, patches to implement this feature have been submitted to the linux-wireless repo. If accepted, they should appear in kernel 4.7; however, they will be backported to kernels 4.0 and newer when they reach mainline."
It's the antenna selection that fixes the problem.
[1] https://github.com/lwfinger/rtlwifi_new