DIR-320NRU Quick Installation Guide
System Requirements and Equipment
• A computer with any operating system that supports a web browser.
• A web browser to access the web-based interface of the router: Windows 
Internet Explorer, Mozilla Firefox, or Opera.
• A NIC (Ethernet or Wi-Fi adapter) to connect to the router.
• An 802.11b, g, or n Wi-Fi adapter to create a wireless network.
• A USB modem to connect to the Internet
1
.
◦ A WiMAX USB modem to connect to the Internet via a WiMAX 
network.
!
Some WiMAX operators require subscribers to activate their WiMAX 
USB   modems   prior   to   using   them.   Please,   refer   to   connection 
guidelines provided by your operator when concluding the agreement 
or placed on its website.
◦ A  3G   USB   modem   to   connect   to  the   Internet   via   a   3G   GSM   or 
CDMA network.
!
Your   USB   modem  should  be equipped   with  an  active  identification 
card (SIM or R-UIM) of your operator.
For CDMA USB modems, it is required to disable the PIN code check 
on the identification card prior to connecting the USB modem to the 
router.
1 Contact your operator to get information on the service coverage and fees.
3