Asus AM604g - Manual (Page 9)

Mounting the Router
The router can be mounted on the wall with the screws provided.
Mounting can be done on wall material including concrete, wood,
or drywall. Select an appropriate location free from obstructions
or any possible interference. Make sure the cables can be easily
attached to the router without strain. The illustration below shows
how to mount the router horizontally on a wall.
ASUS 4-Port Wireless Ethernet Router
User Manual
8
Version 1.0
Document #: BD-AU0014-10