Canon PIXMA MX870 Series Getting Started page 6

■ De v i c e s R equir ed fo r Wire less/Wired Connectio n
When using the machine over a wireless/wired connection, the following devices are required depending on the connection method.
Wireless Connection
Access point or wireless
router
A commercial access point or router that supports IEEE802.11b/g is required.

Wired Connection
Router, etc.
A commercial network device (router, etc.) and Ethernet cable are required.
Ethernet cable