8.15 in 1.46 in  | 8.15 in 1.4 in  | |
| Available colors | ||
| Editiorial reviews | ||
| User rating |
 Asus RT-N18U |  Asus RT-N66U | |
|---|---|---|
| Number of LAN ports | 4 | 4 |
| Number of WAN ports | 1 | 1 |
| USB | yes | yes |
| Total USB ports | 2 | 2 |
| Number of USB 2.0 ports | 1 | 2 |
| Number of USB 3.0/3.1 ports | 1 | 0 |
| Asus RT-N18U | Asus RT-N66U | |
|---|---|---|
| Colour of product |
|
|
| Active cooling (fan) | no | no |
| Asus RT-N18U | Asus RT-N66U | |
|---|---|---|
| Width | 8.15 in | 8.15 in |
| Height | 1.46 in | 1.4 in |
| Depth | 5.91 in | 5.86 in |
| Weight | 1.15 lb | 0.99 lb |
| Number of units | 1 | 1 |
| Rack-mount design | no | no |
| Asus RT-N18U | Asus RT-N66U | |
|---|---|---|
| Built-in DSL modem | no | no |
| File server | Via USB | Via USB |
| Built-in printer server | yes | yes |
| Designed for wall mounting | yes | yes |
| Mobile app for controlling features | yes | yes |
| Asus RT-N18U | Asus RT-N66U | |
|---|---|---|
| Management interface |
| Web/network |
| 6to4 | yes | yes |
| Communication protocol |
|
|
| Data link layer |
|
|
| Number of simultaneous connections | 30000 | 34925 |
| Wireless standards |
|
|
| Jumbo frames support | yes | yes |
| Mobile broadband support | yes | yes |
| Type of mobile support | USB modem | USB modem |
| Mobile HSUPA | yes | yes |
| Mobile HSDPA (turbo-3G) | yes | yes |
| Mobile 4G (LTE) | yes | yes |
| Mobile 3G | yes | yes |
| Mobile 2G (GSM) | yes | yes |
| Throughput WAN-LAN | 800.0 Mbps | 731.0 Mbps |
| VoIP (SIP) | no | no |
| Wireless network | yes | yes |
| 2.4GHz wireless network | yes | yes |
| 2.4GHz data transfer rate | 600.0 Mbps | 450.0 Mbps |
| 5GHz wireless network | no | yes |
| External antenna | yes | yes |
| Detachable antenna | yes | yes |
| MIMO | yes | yes |
| Number of antennas | 3 | 3 |
| Total wireless data transfer rate | 600.0 Mbps | 900.0 Mbps |
| Wireless security |
|
|
| Asus RT-N18U | Asus RT-N66U | |
|---|---|---|
| DynDNS | yes | yes |
| Support for alternative firmware |
|
|
| Target audience | Home users |
|
| Asus RT-N18U | Asus RT-N66U | |
|---|---|---|
| Included flash memory | 128.0 MB | 32.0 MB |
| Maximum flash memory | 128.0 MB | 32.0 MB |
| Included RAM | 256.0 MB | 256.0 MB |
| Maximum RAM | 256.0 MB | 256.0 MB |
| Asus RT-N18U | Asus RT-N66U | |
|---|---|---|
| Operational Power Consumption (min-max) | < 18 | < 30 |
| Power over Ethernet (PoE) | no | no |
| Asus RT-N18U | Asus RT-N66U | |
|---|---|---|
| DMZ | yes | yes |
| VPN protocol |
|
|
| VPN client | yes | yes |
| Pros | ||
|---|---|---|
| Cons |
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