Most modern routers work, but these specs ensure a smooth experience:
| Xbox Label | Technical | Experience |
|---|---|---|
| Open | Full Cone / Port-Restricted | Best—host matches, join anyone |
| Moderate | Address-Restricted | Can't host some; join most |
| Strict | Symmetric / Double NAT | Can't host; limited joining; voice issues |
Original 360 needs official Wi-Fi adapter or Ethernet. 360 S/E have built-in Wi-Fi 4 (n).