There are many kinds of power cord interfaces for wifi, DC 5.5mm plug or socket. Basically are universal, such as Lei Ke, tp, including zte cat and other interfaces are the same.
If the voltage and current are in line with the amplitude range, it can be general, but foreign and domestic are not general, such as bel is not, generally 5.5*2.1 or 5.5*2.5, you need to pay attention to it when buying.
Generally, it is a circular inner positive outer negative interface.