The RB411U is a small and versatile device. It has a miniPCI slot (for 802.11 wireless cards), a USB 2.0 port, and a mini PCIe slot for connecting a 3G card (not compatible with 802.11 wireless cards). Moreover, It has a SIM card slot for 3G. RB411U comes with RouterOS – the operating system that can do multiple things at once: router, firewall, bandwidth manager, mobile 3G router, and more. You can use the USB port to connect a secondary storage device or a USB 3G modem. The RB411U can be easily mounted into any outdoor case/antenna that supports other RB411 models, as it has the same mounting holes.
| Product code | RB411U | 
|---|---|
| Architecture | MIPSBE | 
| CPU | AR7161 | 
| CPU core count | 1 | 
| CPU nominal frequency | 300 MHz | 
| RouterOS license | 4 | 
| Operating System | RouterOS | 
| Size of RAM | 32 MB | 
| Storage size | 64 MB | 
| Storage type | NAND | 
| MTBF | Approximately 100'000 hours at 25C | 
| Tested ambient temperature | -30°C to 70°C | 

