Outdoor 2.4 GHz airMAX bridge
Ubiquiti airMAX PowerBeam M2 400 PBE-M2-400 in Dubai, UAE
A focused outdoor wireless bridge for organisations planning point-to-point connectivity or an airMAX customer-premises link where 2.4 GHz operation, directional coverage and careful RF planning are appropriate.
Plan the link before ordering
Share the two site locations, estimated distance, mounting heights, required capacity and installation scope so the correct bill of materials can be reviewed.
Direct answer for buyers
The Ubiquiti PBE-M2-400 is a directional outdoor airMAX M-series radio with an integrated 400 mm dish reflector. It is mainly used to create a wireless network path between two locations or to act as a customer-premises station in a compatible airMAX network. It may suit businesses, integrators and service providers that need 2.4 GHz operation and can establish a clear, accurately aligned path. Before proceeding, confirm spectrum congestion, line of sight, target throughput, mounting conditions, cable length, surge protection, passive PoE requirements and whether the 10/100 Ethernet interface is sufficient for the intended application.
What the PowerBeam M2 400 does
The device combines a 2.4 GHz radio and a directional reflector in one outdoor assembly. By concentrating transmission and reception toward a selected path, it can connect two Ethernet networks across an area where trenching fibre or copper is impractical, costly or disruptive. Typical designs use one compatible radio at each end of a point-to-point link. In a point-to-multipoint design, the PBE-M2-400 can operate as a focused client station associated with a compatible airMAX access point, subject to correct firmware, network design and configuration.
Its role is not the same as indoor Wi-Fi coverage. The narrow directional pattern is intended for a planned outdoor path rather than broad user-device coverage. Successful deployment therefore depends on line-of-sight assessment, Fresnel-zone clearance, stable mounting, spectrum review, correct channel width and precise alignment.
Who should consider it
The PBE-M2-400 may be relevant to warehouses linking detached buildings, farms connecting remote facilities, construction projects requiring temporary network reach, schools joining campus blocks, CCTV deployments carrying traffic from a remote site, and operators extending an airMAX network to a customer location. It can also be considered where 5 GHz paths are unsuitable because of local design conditions, although 2.4 GHz is often heavily occupied and requires careful evaluation.
It is less suitable where the required capacity exceeds the practical limits of a 10/100 Ethernet port, where the radio path is obstructed, where interference is severe, or where modern airMAX AC performance and management are required. FourTeck can help compare this unit with newer 2.4 GHz or 5 GHz alternatives.
Business challenges and practical responses
Difficult cable route
A planned wireless bridge can cross roads, yards, open land or leased spaces without creating a continuous new cable route. Site permission, mounting and power are still required at both endpoints.
Remote network point
The bridge can extend Ethernet connectivity to a gatehouse, camera location, office cabin, workshop or remote building when the path is clear and the capacity requirement is appropriate.
Crowded radio environment
The directional reflector helps focus the path, but it does not remove interference. A spectrum review and channel plan are essential in busy 2.4 GHz environments.
Outdoor installation constraints
The outdoor enclosure and pole mount support exposed deployments, while grounding, shielded cable, surge protection, structural assessment and weatherproof workmanship remain installation responsibilities.
Product-fit decision matrix
| Requirement | Suitable when | Confirm before ordering |
|---|---|---|
| Point-to-point bridge | Two sites have clear line of sight and moderate bandwidth needs. | Distance, path profile, mounting height, expected traffic and matching endpoint. |
| airMAX client station | The base station and software configuration are compatible with the M-series client. | AP model, firmware, frequency plan, security settings and sector capacity. |
| 2.4 GHz operation | The band is permitted and usable at the deployment location. | Local regulations, interference, permitted channels and output settings. |
| Outdoor pole mounting | A secure pole and safe access are available. | Wind exposure, bracket condition, cable route, earthing and access equipment. |
| Network capacity | A Fast Ethernet interface and real-world wireless performance are adequate. | Application traffic, peak demand, latency tolerance and future growth. |
Verified technical information
The following model-specific details are based on current Ubiquiti technical information for PBE-M2-400. Regional radio settings and permitted output can vary, and the quotation should confirm the exact supplied revision and included components.
| Brand | Ubiquiti |
|---|---|
| Product name | airMAX PowerBeam M2 400 |
| Model | PBE-M2-400 |
| Product type | Outdoor directional airMAX wireless bridge / CPE |
| Operating frequency | 2405–2475 MHz, subject to regional rules |
| Antenna gain | 18 dBi |
| Polarisation | Dual linear |
| Channel sizes | 5, 8, 10, 20, 30 and 40 MHz |
| Networking interface | 1 × 10/100 Ethernet port |
| Processor and memory | Atheros MIPS 74Kc 560 MHz, 64 MB DDR2, 8 MB flash |
| Power method | Passive PoE, 2-pair |
| Power supply | 24V, 0.5A PoE adapter included according to current manufacturer specification |
| Supported input | 20–27V DC |
| Maximum power consumption | 6W |
| Dimensions | 420 × 420 × 289 mm |
| Weight | Approximately 1.8 kg |
| Mounting | Pole mount kit included |
| Operating environment | -40 to 70°C; 5–95% non-condensing humidity |
| Wind survivability | 120 km/h under stated manufacturer test conditions |
| Optional accessory | PBE-RAD-400 protective radome, availability dependent |
| Availability | Contact FourTeck for current UAE options, quantity and lead time |
Compatibility and dependency notice
The PBE-M2-400 belongs to the airMAX M platform and should not be selected only because another Ubiquiti product has a similar dish shape. Confirm the exact peer radio or access point, firmware compatibility, wireless mode, channel plan, security settings and management expectations. The Ethernet interface is 10/100 Mbps, so it can become a design limit even when the quoted radio data rate is higher. Passive PoE is also different from standards-based 802.3af or 802.3at PoE; connecting the device to an incompatible power source can prevent operation or cause damage. Regional frequency and transmit-power settings must comply with local rules. A link budget, path profile and spectrum assessment should be completed for important business links.
Purchase and deployment journey
Define the path
Identify endpoint coordinates, distance, elevation, mounting height and obstacles. Photographs and map pins improve the initial review.
Confirm capacity
Document current and expected traffic, critical applications, acceptable latency and whether the Fast Ethernet port is sufficient.
Review RF conditions
Check 2.4 GHz usage, legal channel availability, likely interference and the need for alternative frequency options.
Build the quotation
Confirm radios, mounts, shielded cable, surge protection, power, optional radomes and installation or configuration services.
Install and align
Mount securely, weatherproof cable entries, ground the installation, align both ends and validate signal and link quality.
Directional RF design and noise control
A dish-based radio sends and receives energy in a more focused direction than an omnidirectional access point. This characteristic can improve the link budget and reduce exposure to signals arriving from outside the main beam. For a buyer, the practical value is more predictable communication between known points, provided the antennas are accurately aimed and the path is unobstructed. It does not mean the device is immune to interference. Strong in-band transmitters, overlapping channels, reflections and poor installation can still reduce capacity and stability.
The PBE-M2-400 operates in the 2.4 GHz range, a band commonly shared by Wi-Fi, Bluetooth, industrial equipment and many consumer devices. In dense urban or industrial areas, a pre-installation scan is especially important. Channel width must be selected with care: wider channels can support higher data rates in clean spectrum, while narrower channels may provide better coexistence and link margin in constrained conditions. The best setting is site-dependent rather than a universal value.
Alignment should be treated as a measured commissioning task. Installers should use signal indicators and the radio interface to optimise received level, noise floor, signal-to-noise ratio and quality metrics. Both ends require stable brackets because small angular movement can affect a long path. Where wind exposure is significant, the pole, fasteners and supporting structure should be assessed independently of the radio’s stated environmental tests.
airMAX operation and traffic expectations
Ubiquiti’s airMAX protocol organises airtime for compatible outdoor wireless networks. In a point-to-multipoint environment, scheduled access can reduce hidden-node contention compared with uncoordinated wireless clients. For the PBE-M2-400, this makes the device relevant as a directional station connected to a compatible airMAX M base station. In a point-to-point design, a matched pair can create a dedicated bridge between two network segments.
Published platform throughput figures should not be interpreted as a guaranteed application result. Actual TCP or UDP throughput depends on modulation, channel width, signal quality, interference, protocol overhead, distance, configuration and the traffic test method. The 10/100 Ethernet port also places a physical ceiling on wired transfer. A business requiring sustained throughput near or above Fast Ethernet capacity should evaluate newer hardware with Gigabit Ethernet and more recent radio technology.
Traffic priority and network design still matter. Voice, video surveillance, backup traffic and ordinary internet access have different tolerance for delay, loss and jitter. The bridge should be placed within a wider LAN design that includes VLANs, loop prevention, addressing, monitoring and security controls. It is a transport component, not a substitute for a firewall, managed switch or resilient wide-area network design.
Outdoor powering, protection and maintainability
The radio receives power through passive 24V PoE. This can simplify the rooftop or pole installation because one Ethernet cable carries both data and DC power, while the PoE adapter remains in a protected indoor or cabinet location. The installer must verify cable quality, conductor material, length and voltage drop. Outdoor-rated, shielded Ethernet cable is generally preferred for exposed paths, with suitable grounding and surge-protection practices based on the building and local electrical requirements.
Passive PoE should be clearly labelled in the rack or cabinet. It is not automatically interchangeable with standards-based PoE. Maintenance teams should know which adapter powers each radio and should avoid connecting unrelated devices to the injector’s powered output. A documented cable route, port label, management address, configuration backup and photographs of the final alignment can reduce future troubleshooting time.
Outdoor reliability also depends on workmanship. Cable loops should prevent water from travelling toward connectors, entries should be protected, and the mounting hardware should be tightened without distorting the assembly. Access for future inspection must be considered. In dusty, coastal or high-temperature environments, periodic visual checks can identify corrosion, loose clamps, damaged cable or movement before service is affected.
Suitable environments and use cases
Warehouse compounds
Connect a detached store, security office or loading area to the main LAN where a clear path exists and moderate capacity is adequate.
Agriculture and remote facilities
Extend network access to pumps, offices, cameras or monitoring points across open land, subject to power and mounting availability.
Temporary project sites
Create a relocatable wireless path for a construction office or temporary operational area when the link can be safely installed and aligned.
Campus buildings
Bridge a secondary block or workshop without disturbing existing paving, while assessing whether fibre remains preferable for long-term critical capacity.
Video surveillance transport
Carry camera traffic from a remote location after calculating aggregate bitrate, packet overhead, link margin and required resilience.
Service-provider client link
Use as a focused airMAX M customer station when the operator’s base station, channel plan and firmware are compatible.
Integration and operational considerations
A wireless bridge normally appears to the connected network as an Ethernet path, but deployment details determine how safely and reliably it operates. Decide whether management traffic will use a dedicated VLAN, how IP addresses are assigned, who holds administrator credentials and where backups are stored. Restrict management access to trusted networks, use strong credentials and install vendor-supported firmware suitable for the hardware revision and network design.
For camera deployments, calculate total bitrate rather than counting cameras alone. For office connectivity, consider cloud applications, voice calls, software updates and backup windows. For operational technology, review latency sensitivity and the consequences of a temporary link interruption. Where business continuity is important, a second path or alternative access method may be required because a single outdoor radio link remains a potential point of failure.
Network monitoring should include reachability, signal level, noise, capacity and interface errors. Sudden changes can indicate interference, alignment movement, cable degradation or power issues. A clear escalation process should distinguish radio troubleshooting from switching, routing, firewall and internet-service problems. FourTeck can discuss configuration and monitoring scope as part of the requirement.
Buyer questions to resolve before ordering
Is there true line of sight?
Buildings, trees, cranes and terrain can obstruct the radio path or Fresnel zone even when the endpoints appear visible on a map.
How busy is 2.4 GHz?
A spectrum assessment helps determine whether the band can support the required stability and whether another frequency is preferable.
What throughput is actually needed?
State average and peak demand, not only internet package speed. Include cameras, phones, backups and future users.
What will be installed at the far end?
Confirm the peer radio, switch, router, firewall, camera network or access point and the required Ethernet handoff.
Who will install and align it?
Safe rooftop access, structural mounting, cable termination, grounding and RF commissioning require suitable skills and equipment.
Is resilience required?
Critical connectivity may need a backup link, alternative carrier or rapid replacement plan rather than relying on one bridge.
Procurement checklist
- Confirm exact model PBE-M2-400 and required quantity.
- Provide endpoint coordinates, distance and mounting heights.
- Confirm 2.4 GHz suitability and local regulatory requirements.
- Document required throughput and application mix.
- Verify compatibility with the peer airMAX device or base station.
- Confirm passive 24V PoE and electrical arrangements.
- Specify outdoor cable length, shielding and surge protection.
- Review pole diameter, wind exposure and access method.
- Decide whether PBE-RAD-400 or other accessories are required.
- Include installation, alignment and configuration scope where needed.
- Confirm warranty terms for the quoted supply source.
- Confirm UAE availability, lead time and delivery destination.
How FourTeck can assist
FourTeck can help convert a basic product request into a clearer deployment requirement. This may include confirming whether the PBE-M2-400 is appropriate for the distance and capacity, reviewing the intended peer device, identifying power and mounting needs, discussing optional accessories and preparing a quotation based on the required quantity. Where installation is requested, the scope can cover site information review, mounting coordination, cable requirements, configuration, alignment, testing and handover, subject to the final project definition.
Buyers comparing older airMAX M equipment with newer airMAX AC or other wireless platforms can request selection guidance. The correct choice may depend on existing network compatibility, available spectrum, target throughput, lifecycle expectations and budget. FourTeck does not assume that the product is the right answer for every path; the aim is to identify the practical constraints before equipment is ordered.
Visit the FourTeck technology product catalogue, explore network planning and deployment services, or send the project requirement for quotation coordination.
UAE availability and support guidance
Contact FourTeck to confirm current UAE availability for the exact PBE-M2-400 model. Supply may depend on quantity, hardware revision, regional channel, vendor lead time and whether the requested package includes PoE adapters, mounting parts or optional radomes. Delivery and project coordination can be discussed after the destination and complete bill of materials are confirmed. Buyers should also state whether they require supply only, pre-configuration, installation, alignment, testing or post-installation support.
For projects in Dubai, Abu Dhabi, Sharjah and Ajman, FourTeck can review the intended deployment, quotation details and service scope as one combined UAE requirement. Site access, roof permissions, working-hour restrictions, lift or access equipment, cable routes and safety requirements can affect an installation quotation. Product warranty guidance should be confirmed against the actual source and commercial offer rather than assumed from a general product listing.
GCC Availability
FourTeck can assist organisations planning PBE-M2-400 requirements across GCC markets by reviewing the intended application, destination, quantity and configuration scope before a commercial offer is prepared. A buyer may need supply only, or may require assistance with link design, mounting accessories, passive PoE, outdoor cabling, surge protection, configuration and commissioning. Availability, permitted radio settings, delivery schedules, service visits and vendor lead times can vary between the United Arab Emirates, Saudi Arabia, Kuwait, Qatar, Bahrain and Oman. For an accurate review, share the destination country, exact model, number of links, endpoint distance, preferred deployment schedule and any installation or support expectations. Where an existing airMAX network is involved, include the base-station model and firmware information. FourTeck can then coordinate the requirement without implying local stock, fixed delivery dates or automatic compatibility. Regional buyers may also use the FourTeck Kuwait resource for relevant business technology enquiries.
Africa Availability
Organisations planning outdoor wireless links in Africa can contact FourTeck for product evaluation, accessory planning and quotation coordination for the Ubiquiti PBE-M2-400. The correct package may include matched radios, PoE adapters, mounting hardware, outdoor Ethernet cable, grounding components, surge protection and installation services. Fulfilment depends on the destination country, quantity, product revision, radio regulations, power requirements, shipping arrangements, vendor lead time and local project conditions. Buyers in East Africa and other regions should provide the destination, exact number of links, site distance, expected bandwidth, proposed mounting points and preferred schedule. Where onsite assistance is expected, access conditions and the required testing or documentation should also be stated. FourTeck can provide guidance without promising local inventory, customs outcomes or country-wide onsite coverage. Relevant regional resources include FourTeck Kenya, FourTeck Uganda and the FourTeck Africa technology portal.
Related products and services to evaluate
Matching PBE-M2-400 endpoint
A point-to-point link commonly uses compatible units at both ends. Confirm identical or supported peer hardware and configuration.
PBE-RAD-400 radome
An optional protective radome may be considered for the 400 mm dish, subject to current availability and project conditions.
Newer airMAX options
Where higher capacity or Gigabit Ethernet is required, compare newer 2.4 GHz or 5 GHz bridge models rather than assuming equivalence.
Outdoor cabling and surge protection
Specify suitable shielded cable, grounding and surge protection as part of the installation bill of materials.
Wireless link survey
A path and spectrum assessment can reduce the risk of selecting equipment before obstacles or interference are understood.
Installation and configuration
Include mounting, alignment, channel planning, network setup, testing and documentation in the quotation when required.
Why businesses contact FourTeck
Business buyers often need more than a part number. They need to know whether the selected radio matches the path, whether the existing network can support it, what accessories are necessary and what installation work belongs in the quotation. FourTeck can assist with requirement clarification, model comparison, bill-of-material guidance, compatibility review, quotation coordination and deployment planning. This is particularly useful when an older network must remain compatible with existing airMAX M equipment or when a buyer is deciding whether to move to a newer platform.
The most useful enquiry includes site coordinates, photographs, estimated mounting heights, required throughput, connected applications, existing radio models, quantity and preferred timeline. With that information, the discussion can focus on a realistic design instead of a generic product price. Learn more about FourTeck’s technology approach or submit the requirement through the FourTeck business contact page.
Frequently asked questions
What is the Ubiquiti PBE-M2-400 mainly used for?
It is used as an outdoor directional wireless bridge for point-to-point links or as a customer-premises station in a compatible airMAX point-to-multipoint network.
Does it provide normal indoor Wi-Fi coverage?
No. Its directional dish is designed to focus a link toward another outdoor radio or base station. It is not intended to replace an indoor access point.
What frequency does the PBE-M2-400 use?
The model operates from 2405 to 2475 MHz according to Ubiquiti specifications, with actual channel and power settings subject to regional regulations.
Is the Ethernet port Gigabit?
No. The PBE-M2-400 has one 10/100 Ethernet port. Buyers needing higher wired capacity should evaluate newer alternatives.
What power supply does it require?
It uses passive PoE and is specified with a 24V, 0.5A PoE adapter. Passive PoE must not be confused with standards-based 802.3af or 802.3at power.
Can one unit create a complete point-to-point link?
A complete link normally requires a compatible radio at each endpoint. The peer model, configuration, antenna alignment and network design must be confirmed.
Is 150+ Mbps guaranteed in every installation?
No. Published platform throughput is not a guaranteed application result. Real performance depends on signal quality, channel width, interference, distance, configuration and protocol overhead.
Does the unit include a pole mount and PoE adapter?
Current manufacturer specifications list a pole mount kit and 24V, 0.5A PoE adapter. The commercial quotation should confirm included items for the exact supplied package.
Is the PBE-RAD-400 required?
No. It is an optional protective radome for compatible 400 mm PowerBeam models. Its usefulness and availability depend on the installation environment and supply source.
How can I request a Dubai quotation?
Provide the required quantity, site locations, link distance, desired capacity, existing equipment and installation scope. FourTeck can then review current UAE availability and prepare the requirement.
Confirm the model, link path and installation scope
Send the endpoint details, required quantity and expected bandwidth. FourTeck can review PBE-M2-400 suitability, current UAE availability, accessories and quotation options.
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