MIKROTIK Powerful OEM RouterBOARD with three Gigabit LAN and two miniPCIe slots (RBM33G)

Order code: RBM33G
Quick code: #1491

880 MHz CPU nominal frequency, 256 MB RAM, 16 MB flash storage, 3x 10/100/1000 Ethernet ports, 1x USB 3.0 type A, 1x M.2 slot, 2 x MiniPCIe slots, 2 x SIM card slots, RS232 serial port, Passive PoE, 2x DC inputs, Router OS (Licence level 4)

Price exc. VAT: Price inc. VAT: For orders (total sum):
31.37£ 37.64£ >0£
31.10£ 37.32£ >300£
30.56£ 36.67£ >1000£


The RBM33G is a fully featured RouterBOARD device perfect for using in your own enclosure or building a custom solution. It uses the same PCB form factor and same mounting holes as it’s predecessors (RB433 and RB953 series).

The RBM33G features a new two core CPU running at 880 MHz and 256 MB of DDR3 RAM and three gigabit ethernet ports. It is specially designed for setups that requires two 3G/LTE modems. You can use e.g.:

• Two miniPCIe 3G/LTE modems (two SIM slots provided)

• One miniPCIe and One USB 3G/LTE modem leaving other miniPCIe slot for 802.11 wireless card (consult product Quick Guide for details)

The included USB 2.0/3.0 port can be used either for 3G/LTE modem or an external hard drive (consult product Quick Guide for details). For expanding storage, microSD and a PCIe M.2 slots are provided.

The RBM33G comes fitted with a RS232 serial port for console access. The device can be powered by PoE through it’s gigabit ethernet connector or through the DC power jack.


Product code: RBM33G
Architecture: MMIPS
CPU: MT7621A
CPU core count: 2
CPU nominal frequency: 880 MHz
CPU Threads count: 4
License level: 4
Size of RAM: 256 MB
Storage size: 16 MB
Storage type: FLASH


Max Power consumption: 19W
PoE in: Passive PoE
PoE in input Voltage: 11-32 V
Number of DC inputs: 2 (DC jack, PoE-IN)
DC jack input Voltage: 11-32 V


10/100/1000 Ethernet ports: 3


Number of SIM slots: 2 Modem (Mini SIM)
M.2 slots: 1
MiniPCI-e slots: 2
Number of USB ports: 1
Serial port: RS232
USB Power Reset: Yes
USB slot type: USB 3.0 type A