- Voltage Selection
On the back of the product label, or you can see the power products, power supply input 5V, 9V and 12V standard, depending on your router to choose our pro corresponding boost cable.
(9V, 12V output boost line 0.8 ~ 1A, if you are a product you can not use more than 1A) - Plug Dimensions
If you are unsure, you can check with the manufacturer, or online consultation which sell equipment which businesses: Size DC power plug whether the outer diameter of the inner diameter of 5.5*, please be assured that if the choice of 2.1mm.



