Flexible RouterBOARD for custom connectivity
MikroTik RBM33G in Dubai, UAE
Build a tailored routing, cellular or wireless platform around a compact board with three Gigabit Ethernet ports, dual miniPCIe expansion, two Mini-SIM slots and RouterOS Level 4.
Plan the complete system
Share your modem, antenna, enclosure, power and installation requirements for a more accurate bill of materials.
Direct answer for buyers
The MikroTik RBM33G is an OEM RouterBOARD for organisations and integrators that want to build a specialised router rather than purchase a finished enclosed appliance. Its core role is to combine wired Gigabit connectivity with optional LTE, 3G or wireless interface cards in a compact board-level platform. It should be considered for custom branch routers, vehicle connectivity, industrial cabinets, telemetry systems, kiosks and multi-uplink projects. Before ordering, confirm the modem or radio cards, antenna leads, SIM format, enclosure, power source, storage, temperature exposure and RouterOS configuration. The USB jumper arrangement must also be reviewed where two cellular modems are planned.
What the RBM33G does
The board provides a programmable RouterOS foundation for routing, firewalling, VPN, traffic control, monitoring and interface management. It is not supplied as a conventional office router with a finished case, antennas and fixed wireless hardware. Instead, the integrator selects the enclosure and expansion cards needed for the application.
This architecture is useful when a standard appliance includes the wrong port mix, lacks dual cellular options, or cannot be installed neatly inside another machine, cabinet or outdoor housing.
Who should consider it
The RBM33G is most relevant to system integrators, telecom solution providers, network engineers, transport operators, industrial automation teams and managed service providers with the skills to assemble and configure board-level hardware.
Businesses seeking a plug-and-play Wi-Fi router may be better served by an enclosed MikroTik model. The RBM33G becomes valuable when physical integration, dual modem support, serial access or custom antenna placement is central to the project.
Business challenges the board can help address
Multiple connectivity paths
Projects can be designed around wired Ethernet, one or two cellular modems, or a combination of cellular and wireless interfaces. Actual failover and load-sharing behaviour depends on RouterOS design and carrier conditions.
Space-constrained installation
The open board can be mounted inside a purpose-built case, communications cabinet, kiosk or equipment enclosure where a desktop router would be difficult to accommodate.
Remote field systems
Serial console access, passive PoE input and expansion options can support remote assets where local troubleshooting and flexible uplink design matter.
Custom component control
Integrators can select the modem category, supported bands, antennas, storage and housing instead of accepting the fixed configuration of a finished router.
Core platform capabilities
Product-fit matrix
| Requirement | Suitable when | Confirm before ordering |
|---|---|---|
| Dual cellular uplinks | Two compatible miniPCIe cellular modems are required for resilience or carrier diversity. | Modem support, bands, antennas, SIM plans, USB jumper mode and power demand. |
| Custom wireless router | A supported miniPCIe wireless card and external antennas will be integrated. | Radio compatibility, country regulations, antenna gain, enclosure and professional installation. |
| Industrial or transport enclosure | The board must fit inside a machine, cabinet or vehicle communications housing. | Mounting, grounding, vibration, ventilation, cable strain relief and temperature conditions. |
| Simple office router | Generally not the easiest choice when no custom integration is needed. | Compare enclosed MikroTik routers with built-in power supply and wireless features. |
Verified technical information
| Brand | MikroTik |
|---|---|
| Product code | RBM33G |
| Product type | OEM RouterBOARD |
| CPU | MediaTek MT7621A, 2 cores, 4 threads, 880 MHz nominal frequency |
| Memory and storage | 256 MB RAM and 16 MB flash |
| Ethernet | 3 × 10/100/1000 Ethernet ports |
| Expansion | 2 × miniPCIe, 1 × M.2 M-key for PCIe SSD, 1 × microSD slot |
| SIM slots | 2 × Mini-SIM 2FF, associated with the miniPCIe slots |
| USB | 1 × USB 3.0 Type-A, maximum USB current 1 A |
| Console | RS232 serial console plus GPIO header |
| Operating system | RouterOS with Level 4 license |
| Power input | 11–28 V through DC jack or passive PoE |
| Power consumption | 5 W without attachments; up to 24 W with interfaces loaded |
| Cooling | Passive |
| Tested ambient temperature | -40°C to 70°C; final installation suitability still depends on enclosure and attached components |
Important configuration and compatibility dependencies
The RBM33G should be evaluated as a system, not as an isolated board. Cellular and wireless cards are not automatically included, and compatibility must be checked against RouterOS support, interface type, regional frequency bands, antenna connectors and the intended network operator. The two Mini-SIM slots are linked to the miniPCIe positions and are useful only when suitable modems are installed.
A USB jumper controls how USB 2.0 lines are allocated. When two cellular modems are required, the jumper arrangement may need to be changed so that the central miniPCIe slot can use USB 2.0. This affects the USB port’s USB 2.0 functionality, although USB 3.0 remains available. The exact modem design matters because some cards use USB lanes while wireless cards often use PCI Express.
The M.2 M-key slot is intended for a PCIe SSD, with a 2242 mounting position. It should not be assumed to support an arbitrary M.2 cellular modem. Power consumption must include the board, both expansion cards, USB devices and storage. Enclosure design should provide safe mounting, grounding, ventilation, antenna routing and environmental protection.
A practical purchase and deployment journey
Define the connectivity objective
Clarify whether the system needs one mobile link, dual carriers, wired failover, local Wi-Fi, VPN access, telemetry transport or a combination of these functions.
Select compatible modules
Choose modems or wireless cards only after confirming RouterOS support, radio bands, interface mode, antenna connectors, SIM type and power requirements.
Engineer the physical build
Confirm enclosure dimensions, PCB mounting points, cable access, grounding, heat management, antenna separation and protection from dust or moisture.
Configure and test RouterOS
Apply secure administration, interface naming, routing, failover, firewall rules, VPNs, monitoring and logging. Test loss of each uplink and verify recovery behaviour.
Document the deployed unit
Record module models, SIM assignments, antenna connections, power details, RouterOS version, configuration backup, remote access method and recovery procedure.
Dual-modem flexibility for resilient connectivity
The defining characteristic of the RBM33G is its ability to accommodate two miniPCIe expansion cards with corresponding Mini-SIM slots. In a cellular deployment, this can allow two independent mobile connections to be integrated into one routing platform. A business might use different operators to reduce reliance on one network, dedicate one link to primary traffic and retain another for backup, or separate operational traffic from a service connection. RouterOS can provide the routing logic, health checks, policy rules and failover behaviour, but the reliability of the result depends on the quality of the configuration and on the characteristics of the mobile networks.
The two-modem design should not be treated as automatic bandwidth aggregation. Combining mobile links can involve routing policies, per-connection balancing, application behaviour, public IP limitations and carrier-grade NAT. Some applications cannot distribute one session across two independent carriers. Buyers should define whether they need failover, load distribution, traffic steering or a specialised bonding service, because these are different design objectives.
Modem selection is equally important. The supported LTE category, regional bands, SIM plan, antenna arrangement and RouterOS driver support influence the final outcome. A high-category modem does not guarantee equivalent field performance when signal quality, network congestion or antenna placement is poor. FourTeck can help review the intended operator, installation location and modem options before quotation, while final carrier performance should be validated at the deployment site.
RouterOS control for a purpose-built network edge
RouterOS Level 4 gives the RBM33G a broad set of networking functions that can be adapted to the project. Typical tasks include static and dynamic routing, firewall policies, network address translation, DHCP, VLAN segmentation, VPN services, queues, monitoring and remote administration. The value of this platform is not a single headline feature; it is the ability to coordinate multiple interfaces and policies in one manageable device.
For a branch or field system, administrators can use the three Gigabit Ethernet ports to separate WAN, LAN and service networks, or to connect local switches, controllers and maintenance equipment. VLANs may extend this segmentation where the connected infrastructure supports them. A transport deployment might reserve one interface for an onboard LAN, another for a diagnostic connection and a third for a dockside or depot uplink. The correct arrangement depends on the operational model and should be documented before configuration begins.
Security requires deliberate setup. Default credentials must be replaced, management services restricted, unnecessary packages or services disabled, and RouterOS kept on a suitable supported release. Remote access should use protected management paths rather than exposing administration directly to the public internet. Configuration backups and tested recovery procedures are particularly important when the unit is installed in a remote cabinet or vehicle where physical access is costly.
Physical integration, power and storage planning
Because the RBM33G is a board-level product, physical engineering is a major part of the purchase decision. The board uses mounting holes compatible with earlier RB433 and RB953 series form factors, which may help integrators working with established housings. Nevertheless, each enclosure should be checked for connector clearance, cable bend radius, antenna feed-throughs and safe separation from conductive surfaces. The PCB must be handled with appropriate electrostatic discharge precautions and mounted so that ports extending beyond the board edge are not placed under mechanical stress.
Power can be supplied through the DC jack or passive PoE. Both use an 11–28 V range according to the product information, while higher voltage may be preferable on long passive PoE cable runs to offset loss. The system designer must calculate the total load, including cellular cards, wireless cards, USB devices and storage. The board itself is specified at 5 W without attachments, while the maximum with interfaces loaded is 24 W. A supply selected only for the bare board may become unstable after expansion cards are installed.
Storage options include microSD and an M.2 M-key slot for a PCIe SSD. Additional storage may be used for logs, cached files, packages or application data where supported by the RouterOS design. Logging strategy should balance operational visibility with storage wear and retention needs. External USB storage is another possibility, but the USB jumper and second cellular modem arrangement must be considered. Storage should never replace central monitoring or off-device backup when the router is business critical.
Suitable environments and use cases
Transport and fleet connectivity
A custom enclosure can house the board, cellular modems and antennas for buses, service vehicles or mobile command systems. Power conditioning and vibration-resistant installation should be engineered for the vehicle.
Industrial cabinets
The board can provide routed access to controllers, sensors and maintenance networks. Environmental protection, grounding and secure remote access are essential.
Retail kiosks and remote terminals
Dual uplinks may support connectivity continuity for transaction, telemetry or management traffic, subject to application design and carrier availability.
Temporary project sites
A customised router can combine cellular backhaul with local Ethernet or Wi-Fi for construction, events or temporary operations.
Telecommunications integration
Service providers can use the board as a platform within a larger managed device, provided the total design is validated and supported.
Remote monitoring sites
The board can route telemetry and maintenance access where wired infrastructure is limited, with careful VPN, firewall and monitoring configuration.
Operational and integration considerations
The RBM33G should be tested with the exact cards and RouterOS version intended for production. Cellular modem behaviour can vary by firmware, driver and interface mode. Antennas must be selected for the required bands and installed with appropriate separation, cable quality and grounding. In an outdoor enclosure, weather sealing should not obstruct heat dissipation or create condensation risk.
Network monitoring should cover interface state, signal quality, modem registration, data usage, route availability, VPN status, CPU load, temperature where available and power events. Alerting is more useful when it identifies the failed dependency rather than simply reporting that the remote site is unreachable. Where two carriers are used, each SIM account and data allowance should be monitored independently.
Lifecycle planning should include replacement modem availability, RouterOS updates, configuration backups and a documented recovery path. The open design gives integrators flexibility, but it also places responsibility for the full assembled solution on the project team.
Questions to resolve before requesting a quotation
State whether the design needs one modem, two modems, wired WAN, Wi-Fi or another combination.
The modem and antenna selection should match the destination country and service provider.
Confirm indoor or outdoor installation, environmental protection, mounting and cable entry.
Specify DC voltage, passive PoE design, cable length and the power requirements of all attached cards.
Define routing, firewall, VPN, failover, monitoring, user access and logging expectations.
Board-level installation and radio configuration should be handled by appropriately qualified personnel.
Procurement checklist
✓ Exact RBM33G quantity
✓ Cellular or wireless module model numbers
✓ Required frequency bands and operators
✓ Antenna type, connectors and cable lengths
✓ SIM format and data plans
✓ Enclosure and mounting requirements
✓ DC or passive PoE power design
✓ USB, microSD or M.2 storage requirement
✓ RouterOS configuration scope
✓ VPN, failover and monitoring requirements
✓ Installation and testing responsibility
✓ Delivery destination and target schedule
How FourTeck can assist
FourTeck can help buyers translate a connectivity objective into a clearer product requirement. This may include reviewing the intended number of WAN links, identifying the need for compatible modem or wireless modules, discussing antenna and enclosure considerations, and preparing a quotation around the confirmed bill of materials. For projects that require RouterOS configuration, the expected routing, failover, firewall, VPN and monitoring scope should be described before pricing.
The team can also coordinate related networking requirements through the FourTeck product portfolio, discuss implementation through networking and security services, or review a broader business technology requirement on the FourTeck UAE website. Assistance is based on the project scope and should be included explicitly in the quotation.
UAE availability and support guidance
Contact FourTeck to confirm current MikroTik RBM33G availability in the UAE. Supply can depend on quantity, vendor lead time and the exact bundle of boards, modems, antennas, enclosures, power accessories and storage components required. A board-only quotation may not represent the complete cost of a deployable system.
For Dubai, Abu Dhabi, Sharjah and Ajman projects, FourTeck can discuss requirement review, quotation coordination, delivery planning and optional configuration or installation scope. Share the deployment environment, destination, required quantity and expected schedule. Warranty terms, regional compatibility and included components should be confirmed on the final quotation rather than assumed from a generic listing.
GCC Availability
Organisations planning RBM33G-based systems across the GCC can contact FourTeck for requirement review and quotation coordination. The board may be relevant for projects in the United Arab Emirates, Saudi Arabia, Kuwait, Qatar, Bahrain and Oman, particularly where integrators need a customised cellular or wired edge device. Regional planning should account for mobile operator bands, modem certification, SIM arrangements, power standards, enclosure conditions and the availability of compatible accessories. Product supply, licensing, delivery schedules, service visits and vendor lead times can vary by country, model, quantity and project scope. Buyers should provide the destination country, required board quantity, selected modem or wireless modules, antenna details, enclosure plan, RouterOS configuration needs and preferred deployment timeline. FourTeck can then help structure a more complete request, while customs, local approvals and final implementation responsibilities should be confirmed for the specific destination.
Africa Availability
For African projects, the RBM33G can be evaluated as part of a custom connectivity solution for branches, vehicles, remote monitoring locations, industrial assets or temporary sites. FourTeck can assist organisations in East Africa and other regions with product evaluation, compatible module planning, antenna and power considerations, RouterOS configuration scope and procurement coordination. Availability and fulfilment may depend on destination, quantity, modem frequency bands, license region, shipping arrangements, vendor lead time, local power conditions and the installation environment. Buyers should share the destination country, exact use case, required quantity, preferred mobile operators, enclosure requirements, target schedule and any remote or on-site support expectations. No assumption should be made about local inventory, customs outcomes or country-wide service coverage until the project has been reviewed. Regional information is also available through FourTeck Africa, FourTeck Kenya and FourTeck Uganda.
Related options and services
MikroTik LTE modules
Select only after checking RouterOS support, frequency bands, carrier requirements and antenna interfaces.
CA433U enclosure
An indoor aluminium enclosure listed by MikroTik as suitable for the RBM33G; verify space for the complete card and cable assembly.
Power and PoE accessories
Choose a supply and passive PoE arrangement with adequate voltage and wattage for all attached components.
RouterOS configuration service
Define firewall, VPN, failover, monitoring and management requirements as a separate project scope.
Alternative enclosed routers
Where custom integration is unnecessary, an enclosed MikroTik router may reduce assembly and support complexity.
Why businesses contact FourTeck
A successful RBM33G project depends on more than selecting the base board. Businesses contact FourTeck to clarify whether the product fits the intended environment, identify the complete list of required components, review modem and antenna considerations, and coordinate a quotation that reflects the actual deployment. This reduces the risk of ordering a board without the compatible radio cards, power supply, enclosure or configuration work needed to make it operational.
FourTeck can also discuss networking, security and remote access requirements that sit around the device. The objective is practical requirement alignment rather than unsupported performance promises. Use the FourTeck contact page to provide the project details.
Frequently asked questions
Is the MikroTik RBM33G a complete router?
It is a functional RouterBOARD with RouterOS, Ethernet ports and expansion interfaces, but it is an OEM board rather than a finished enclosed router. The project may still require an enclosure, power source, cellular or wireless cards, antennas and configuration.
Can the RBM33G use two LTE modems?
The board is designed with two miniPCIe slots and two Mini-SIM slots for this type of deployment. Compatibility, USB jumper configuration, modem support, antenna design and power demand must be confirmed.
Does it include Wi-Fi?
No integrated Wi-Fi radio is listed. A compatible miniPCIe wireless card and suitable antennas may be added, subject to RouterOS support and regional radio rules.
What RouterOS license is included?
MikroTik specifies RouterOS Level 4 for the RBM33G. The operating system is preinstalled and licensed on the board.
Can the M.2 slot be used for a cellular modem?
The official manual describes the M.2 M-key slot for a PCIe SSD. Buyers should not assume that an arbitrary M.2 cellular modem is supported.
How is the board powered?
It accepts 11–28 V through a DC jack or passive PoE input. The power supply should be sized for the board and every attached card or USB device.
Is the RBM33G suitable for outdoor use?
The board may be used in outdoor systems only when installed in a suitable enclosure with correct grounding, environmental protection and professional installation. The bare PCB is not a weatherproof finished product.
What information is needed for a quote?
Provide quantity, deployment country, required modems or wireless cards, operators and bands, antennas, enclosure, power method, storage, configuration scope and target schedule.
Can FourTeck configure failover and VPNs?
Configuration assistance can be discussed as a separate scope. The required failover logic, VPN type, firewall policy, monitoring and handover expectations should be defined before quotation.
Is current UAE availability guaranteed?
No. Contact FourTeck to confirm current availability, quantity, lead time, included components and delivery coordination for the specific requirement.
Build the right RBM33G configuration
Send FourTeck your board quantity, modem or wireless requirements, antenna plan, enclosure, power method and RouterOS scope for current UAE quotation guidance.
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