Outdoor 2.4 GHz airMAX AC bridge
Ubiquiti airMAX PowerBeam 2AC 400 PBE-2AC-400 in Dubai, UAE
A focused outdoor wireless bridge for connecting buildings, remote cameras, branch facilities, temporary sites and network distribution points where a directional 2.4 GHz link is the right fit.
Plan the link before ordering
Share distance, line-of-sight details, mounting height, required bandwidth, endpoint equipment and quantity for a more accurate recommendation.
Confirm local noise levels.
Directional alignment required.
Single RJ45 network interface.
Plan grounding and surge protection.
Direct answer for buyers
The PBE-2AC-400 is a Ubiquiti airMAX AC outdoor bridge that combines a 2.4 GHz radio with a 400 mm directional reflector. It is mainly used to create a wireless Ethernet path between two locations or to serve compatible remote stations in a carefully designed outdoor network. It may suit organisations that need building-to-building connectivity, remote device access or a practical alternative where trenching cable is difficult. Before proceeding, confirm clear line of sight, distance, spectrum conditions, legal channel and power limits, expected throughput, mounting height, PoE method, grounding, cable route and compatibility with the device at the other end.
What it does
The PowerBeam 2AC 400 directs radio energy through a dish-style reflector instead of radiating broadly like an indoor access point. This narrower pattern supports outdoor links where the installer can accurately aim one endpoint toward another. The Ethernet port connects the radio to a switch, router, camera network or local device, while passive PoE carries power over the same cable.
Who it suits
The model may fit IT teams, wireless integrators, facilities managers, hospitality operators, warehouses, schools, farms, security installers and project owners that need a dedicated outdoor wireless path. It is not a replacement for general indoor Wi-Fi coverage, and it should not be selected solely on antenna gain or an advertised maximum rate.
Business problems this bridge can help address
Connecting separate buildings
A pair of correctly planned bridges can extend a routed or switched network between offices, warehouses, accommodation blocks or operational buildings without a new underground cable run.
Reaching remote devices
The link can carry network traffic to remote cameras, access-control panels, telemetry equipment or local switches, subject to bandwidth, latency and power design.
Supporting temporary projects
Construction compounds, events and project sites may use outdoor wireless bridging where cabling is temporary, impractical or delayed.
Working in selected 2.4 GHz scenarios
The 2.4 GHz band may be considered where its propagation characteristics are useful, but congestion and interference must be measured because every location behaves differently.
Core capabilities at a glance
Concentrates RF energy toward the intended path and requires accurate physical alignment.
Designed for Ubiquiti outdoor wireless networking rather than ordinary indoor client access.
Provides one 10/100/1000 Ethernet interface for connection to the local network.
Uses the included 24 V Gigabit PoE adapter; verify injector and polarity compatibility.
Product-fit matrix
| Requirement | Suitable when | Confirm before ordering |
|---|---|---|
| Building-to-building link | Endpoints have clear line of sight and stable mounting locations. | Distance, elevation, Fresnel clearance and target capacity. |
| 2.4 GHz deployment | A survey shows usable channels and manageable interference. | Local regulations, channel width and competing networks. |
| Remote CCTV or IoT | Traffic demand is understood and the remote equipment has suitable power. | Camera bitrate, uplink demand, VLAN design and resilience needs. |
| Harsh outdoor location | Professional mounting, outdoor cable, grounding and surge protection can be provided. | Pole strength, wind exposure, cable length and maintenance access. |
Verified technical information
| Brand | Ubiquiti |
|---|---|
| Product | airMAX PowerBeam 2AC 400 |
| Model | PBE-2AC-400 |
| Product type | Outdoor 2.4 GHz directional wireless bridge / CPE |
| Antenna gain | 18 dBi |
| Reflector diameter | 400 mm class; overall dimensions approximately 420 × 420 × 289 mm |
| Weight | Approximately 1.8 kg including mount |
| Network interface | One 10/100/1000 Ethernet port |
| Power method | 24 V passive PoE, two-pair |
| Included power supply | 24 V, 0.5 A Gigabit PoE adapter, region dependent |
| Maximum power consumption | 7.5 W |
| Supported voltage range | 20–27 V DC on current official technical listing; verify supplied regional unit |
| Mounting | Pole mount kit included |
| Wind survivability | Up to 200 km/h under the manufacturer’s stated test condition |
| Operating environment | Outdoor; mounting, grounding and cabling quality remain installation dependent |
| Availability | Contact FourTeck to confirm current UAE model, quantity and lead time |
Compatibility and deployment dependencies
A wireless bridge is a system, not only a radio. The PBE-2AC-400 must be matched with an appropriate device, firmware family, operating mode and regulatory configuration at the opposite end. Link performance depends on distance, alignment, obstruction, Fresnel-zone clearance, channel width, transmit-power limits, noise floor, weather, mounting stability and traffic pattern. Passive PoE is not interchangeable with every standards-based PoE switch, so the powering method must be checked before connection. Outdoor shielded cable, proper earth grounding and surge protection should be considered part of the installation rather than optional finishing items.
A practical purchase and deployment journey
Define the endpoints
Record coordinates, roof or pole height, link distance, required VLANs, attached devices and bandwidth target.
Review the radio path
Check line of sight, terrain, structures, Fresnel clearance and the likely mounting solution at both ends.
Survey the spectrum
Measure 2.4 GHz usage and identify whether a stable operating channel is realistically available.
Confirm the bill of materials
Include radios, brackets, cable, surge protection, grounding parts, network interfaces and any installation services.
Install and align
Use stable mounting, weatherproof cable entry, accurate aiming and safe access procedures.
Test and document
Validate signal, capacity, latency, packet loss, VLAN behaviour and failover expectations before handover.
Directional performance and careful alignment
The integrated reflector is central to the product’s role. By focusing energy in a narrower direction, the unit can provide a more purposeful outdoor link than a broad-coverage access point. That advantage also creates an installation requirement: both endpoints must be aligned accurately and mounted on structures that do not twist or sway excessively. Small aiming errors can reduce link margin, particularly when distance grows or the path already has limited clearance.
A professional installation normally begins with a planned azimuth and elevation, followed by coarse alignment and then fine adjustment using live signal information. The strongest signal is not the only objective. The installer should also review noise, signal-to-noise ratio, modulation stability and actual traffic performance. A stable moderate reading can be more useful than a momentary peak that changes with movement or interference. Pole diameter, bracket tightness, corrosion resistance and access for future maintenance should be part of the decision.
Buyers should avoid assuming that a quoted maximum throughput will be achieved over every distance. Real results depend on channel width, regulatory settings, interference, link margin, firmware and protocol overhead. FourTeck can help translate the business requirement into a practical design discussion rather than treating the radio as a stand-alone commodity.
Using 2.4 GHz intelligently
The 2.4 GHz band remains useful in selected outdoor environments, but it must be evaluated with discipline. It generally offers different propagation behaviour from 5 GHz and may be considered where the path has modest challenges or where compatible 2.4 GHz infrastructure is already part of the design. At the same time, it is widely used by consumer Wi-Fi, Bluetooth, IoT devices and other equipment. A busy urban rooftop may therefore present a much higher noise floor than an industrial edge site or remote property.
A site survey should review occupancy across available channels at the intended mounting height, not only from a laptop at ground level. The final operating plan must respect UAE regulatory requirements, permitted frequencies and power limits. Channel width should be selected according to the need for capacity, spectral cleanliness and stability. Wider channels can increase potential throughput but also consume more spectrum and may be more exposed to interference. Narrower channels can sometimes improve robustness when raw capacity is less important.
The decision is therefore not simply “2.4 GHz reaches farther.” The correct question is whether this specific path has a usable 2.4 GHz channel, sufficient link margin and an acceptable risk of future interference. For dense locations, an alternative 5 GHz bridge or another medium may be more appropriate. FourTeck can review these trade-offs when the buyer provides distance, site type and traffic expectations.
Power, protection and outdoor reliability
The PBE-2AC-400 uses passive PoE, allowing network data and DC power to travel through one Ethernet cable. This simplifies rooftop and pole installations, but the injector method must be respected. Connecting the device to an incompatible PoE source can create a commissioning problem or equipment risk. The supplied or approved 24 V passive PoE arrangement should be confirmed for the regional package and cable length.
Outdoor reliability depends heavily on installation quality. Use appropriate shielded outdoor-rated Ethernet cable, weatherproof entries and a cable route that avoids standing water, sharp bends and excessive tension. Grounding and surge protection are especially important on exposed structures. The product documentation requires suitable grounding practices, and the wider site should have a coordinated earthing strategy. A radio fixed high on a metal pole is part of an electrical and lightning-exposure environment, not only a network endpoint.
Maintenance access also matters. Installers should be able to inspect cable glands, brackets and connectors without unsafe work. Label the cable at both ends, record login and configuration ownership, document the azimuth, save the final settings and note the PoE injector location. These steps reduce troubleshooting time months or years later when staff may have changed.
Ideal environments and use cases
Warehouses and yards
Connect a separate gatehouse, storage building, camera pole or operations cabin to the main network where a clean path is available.
Hospitality properties
Bridge network services between buildings, staff areas or remote facilities while keeping guest access and operational traffic logically separated.
Education campuses
Extend connectivity to workshops, sports facilities or administration buildings after capacity and security requirements are defined.
Construction and temporary sites
Create a relocatable link for project offices, monitoring systems or temporary network access, subject to safe mounting and changing site conditions.
Agriculture and remote operations
Reach pumps, workshops, accommodation or monitoring points when distance, terrain and available power have been assessed.
Service-provider networks
Use as a compatible CPE or bridge in a deliberately engineered airMAX deployment, with sector capacity and client count considered.
Integration and operational considerations
Decide whether the link will transparently bridge Layer 2 traffic or connect routed networks. Bridging is simple for many applications, but extending a large broadcast domain across a wireless path can increase operational risk. Routed designs may provide clearer fault boundaries. VLAN requirements, spanning-tree behaviour, DHCP location, management addressing, firewall policy and monitoring should be agreed before commissioning.
For CCTV, calculate aggregate and peak bitrate rather than counting cameras alone. For general office traffic, consider cloud applications, voice, backups and large file transfers. For critical operations, determine what happens if the wireless link fails. A second radio path, wired backup, cellular failover or operational workaround may be required. The PBE-2AC-400 itself should not be presented as a guaranteed-availability solution.
Management access should be restricted and documented. Change default credentials, use suitable administrative networks, maintain approved firmware and back up configuration. When integrating with a wider Ubiquiti or third-party environment, confirm supported modes and interoperability for the exact firmware in use.
Questions to resolve before requesting a quote
Provide coordinates or an accurate distance, not only building names.
Photographs, elevations and obstacle information help validate the path.
State expected normal and peak traffic in both directions.
A spectrum survey may change the recommended product or channel plan.
List switches, routers, cameras, VLANs and available power.
Define acceptable downtime and whether a secondary path is needed.
Procurement checklist
✓ Exact model: PBE-2AC-400
✓ Required quantity and spare-unit policy
✓ Endpoint coordinates and link distance
✓ Mounting height and pole condition
✓ Clear line of sight and Fresnel clearance
✓ Required throughput and latency tolerance
✓ 2.4 GHz survey and regulatory channel plan
✓ Passive PoE compatibility
✓ Outdoor shielded cable length
✓ Grounding and surge-protection materials
✓ VLAN, routing and management design
✓ Installation, alignment and testing scope
✓ Documentation and handover needs
✓ Current UAE availability and lead time
How FourTeck can assist
FourTeck can help buyers move from a product name to a workable requirement. Assistance may include confirming the exact PBE-2AC-400 model, reviewing whether 2.4 GHz is appropriate, checking the quantity and endpoint design, identifying required mounting and protection items, preparing a quotation and discussing installation or configuration scope. Where the project needs a wider network design, FourTeck can also help coordinate switching, routing, firewall, VLAN or surveillance requirements.
An accurate discussion starts with practical information: site addresses or coordinates, distance, photos from both endpoints, mounting heights, expected traffic, connected devices, desired completion window and whether access equipment such as lifts or scaffolding is available. Visit the FourTeck technology services page for related planning support, browse business technology products, or contact the Dubai team with the project details.
UAE availability and support guidance
Contact FourTeck to confirm current UAE availability for the Ubiquiti PBE-2AC-400. Supply can depend on quantity, regional version, vendor lead time and the exact accessories required. A useful quotation should distinguish the bridge hardware from installation materials, access equipment, outdoor cable, surge protection, grounding work, configuration and testing. Delivery and project coordination can be discussed after the model and scope are confirmed. Warranty terms should be checked for the supplied regional unit and should not be inferred from overseas listings.
Dubai, Abu Dhabi, Sharjah and Ajman project coordination
For projects across Dubai, Abu Dhabi, Sharjah and Ajman, FourTeck can review requirements for outdoor bridging, product selection, quantity, mounting conditions and related network components. Site access rules, roof permissions, working-at-height arrangements, cable routes and installation windows differ between locations, so these details should be included early. Product supply, delivery coordination and service scope remain subject to the confirmed destination, technical design and schedule.
GCC Availability
FourTeck can assist organisations planning Ubiquiti outdoor wireless links across GCC markets, including the United Arab Emirates, Saudi Arabia, Kuwait, Qatar, Bahrain and Oman. Support can begin with a review of the required model, link endpoints, frequency choice, quantity, mounting arrangement and network purpose. Quotation coordination may also include passive PoE, outdoor cabling, surge protection, installation planning and configuration scope where requested. Product availability, permitted radio settings, delivery schedules, service visits and vendor lead times vary by country, model and quantity. Buyers should share the destination country, exact product requirement, number of links, preferred deployment date and any local installation constraints. For Kuwait-related enquiries, the FourTeck Kuwait resource may provide a useful regional contact route.
Africa Availability
Businesses planning outdoor wireless connectivity in Africa can contact FourTeck for requirement review, product selection, accessory planning and quotation coordination. The PBE-2AC-400 may be relevant in selected East, West, Central or Southern African deployments, but suitability depends on local spectrum rules, interference, distance, terrain, power arrangements and the intended network service. Availability and fulfilment can vary by destination, quantity, regional model, shipping plan, vendor lead time and local project conditions. Buyers should provide the country, exact endpoint locations, quantity, target bandwidth, installation expectations and preferred schedule. FourTeck’s Africa technology page, Kenya resource and Uganda resource can support regional discussions without implying local stock or guaranteed onsite coverage.
Related products, services and alternatives
Matching second endpoint
Most point-to-point designs require a compatible unit at each end. Confirm operating mode and firmware before purchase.
5 GHz airMAX bridge
A 5 GHz model may be more suitable where the 2.4 GHz band is congested. Link distance and regulatory limits must still be assessed.
Outdoor surge protection
Include appropriate Ethernet surge protection and grounding components based on the site’s electrical design.
Installation and alignment
Professional mounting, aiming, cable termination and acceptance testing reduce commissioning risk.
Switching and routing
Remote endpoints may require managed switches, VLANs, PoE for cameras or routed segmentation.
Why businesses contact FourTeck
Buyers commonly need help confirming whether the chosen model actually fits the path, not merely whether it appears on a price list. FourTeck can review product identity, quantity, wireless-band choice, accessory needs, installation dependencies and the information needed for a meaningful quotation. This is especially useful when a link supports operational systems such as surveillance, access control, warehousing, remote offices or site connectivity, where a weak design decision can affect more than Wi-Fi performance.
Frequently asked questions
What is the PBE-2AC-400 mainly used for?
It is mainly used as an outdoor directional wireless bridge or CPE for point-to-point and selected point-to-multipoint network links in the 2.4 GHz band.
Does one unit create a complete point-to-point link?
A typical point-to-point design uses a compatible radio at each endpoint. The exact pairing, firmware and operating mode should be confirmed before ordering.
Is 2.4 GHz always better for long distance?
No. The band can have useful propagation characteristics, but interference and regulatory limits may make 5 GHz or another medium more suitable at a particular site.
What antenna gain does the model provide?
The integrated directional antenna is specified at 18 dBi. Actual link performance still depends on alignment, distance, clearance, noise and channel settings.
How is the device powered?
It uses 24 V passive PoE. Buyers must verify the injector and cabling arrangement because passive PoE is not interchangeable with every PoE switch.
Can it carry CCTV traffic?
It can transport Ethernet traffic for cameras when the total bitrate, uplink demand, VLAN design, latency and resilience requirements fit the engineered link.
Is a site survey necessary?
A survey is strongly recommended, particularly in built-up areas. It helps assess line of sight, Fresnel clearance, 2.4 GHz interference and mounting feasibility.
What should be included with the radios?
Consider outdoor shielded cable, grounding, surge protection, stable mounts, network switching, access equipment and installation or alignment services.
Is the PBE-2AC-400 currently available in Dubai?
Availability can change by quantity, regional version and vendor lead time. Contact FourTeck to confirm the current UAE supply position.
What information is needed for a quotation?
Provide quantity, endpoint coordinates, distance, mounting heights, required bandwidth, connected equipment, installation scope and preferred delivery schedule.
Confirm the model, radio path and complete bill of materials
Send FourTeck the endpoint details and business requirement for PBE-2AC-400 availability, quotation, accessory planning and deployment support in Dubai or elsewhere in the UAE.
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