Develop DUAL ACCSESS for chipset MT7628

Hi, I need help in developing the software for the chipset MT7628. Need create function of the Dual Access for the Russian market. Please help develope I will pay for it work.

do you mean dual band wifi on QCA953X ?

No. its no about wi-fi. Its my problem in "dual access pppoe" type connection.
I need to compile the firmware where the router will be managed via lighthttpd server and java script on browser. Part of the Java Script code I have ready, but i need to make corrections to it.

Simply declare two upstream interfaces in /etc/config/network - configure the first to do DHCP to obtain local IPv4 connectivity, then configure the second to use PPtP/PPPoE or wahtever is needed by the aprticular ISP.