Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to increase the range of your wifi [title] Gather the materials for your can-tenna. [step] To create a can-tenna, you need a beer can (or a pringles can), a pair of scissors and duct tape. You can use this type of antenna for traditional routers as well as for usb-dongle-style wi-fi receivers.

Ending1: [substeps] Make sure you lay down 4 strips of duct tape to keep your antenna up. The first strip should be 1 inch thick, and the second strip should be 9 inches thick. Ending2: [title] Create a hole in the bottom of the can. [step] For traditional routers, create a hole in the bottom of the can. Ending3: [title] Obtain your blu-fi adapter. [step] The blu-fi adapter includes a port on the back that is adjustable. Ending4: You'll need : [substeps] Back of airmode. If you just want to make an instant signal, follow the instructions listed below for the back of airmode.

Answer format: ending1/ending2/ending3/ending4