Outdoor 5 GHz airMAX ac bridge
Ubiquiti PowerBeam 5AC 400 PBE-5AC-400 in Dubai, UAE
The PBE-5AC-400 combines a directional 400 mm reflector and an airMAX ac radio in one outdoor assembly. It is designed for organisations that need a focused wireless connection between locations and want a practical alternative where trenching, leased circuits or temporary cabling may not suit the project.
Plan the link before ordering
Share both site locations, expected capacity, mounting height, power availability and installation scope so the correct model and accessories can be reviewed.
Direct answer for buyers
The Ubiquiti PowerBeam 5AC 400 is a directional outdoor wireless bridge identified by model PBE-5AC-400. Its primary role is to carry network traffic across a clear outdoor path, commonly between buildings, towers, remote facilities or temporary project sites. It should be considered by buyers who can provide suitable mounting positions and a stable line of sight and who are prepared to plan channels, alignment, grounding and power correctly. Before proceeding, confirm that the original PBE-5AC-400 is specifically required, because newer, ISO and differently sized PowerBeam variants have separate characteristics. The link distance, interference environment, regional frequency permissions, desired throughput, PoE arrangement, cable route and installation responsibilities should all be reviewed before a quotation is finalised.
What the PBE-5AC-400 does
The device concentrates radio energy into a narrower directional beam than an ordinary indoor access point. That directional behaviour is useful when two known locations need to communicate across an outdoor gap. In a typical point-to-point design, one unit is installed at each end and both units are aligned toward each other. The link can then carry Ethernet traffic between the attached local networks.
The integrated reflector simplifies the radio-and-antenna combination, but it does not remove the need for proper surveying. Buildings, trees, cranes, terrain, rooftops and future construction can obstruct the path or reduce the clear Fresnel zone around it. The product is therefore one part of a complete wireless link rather than a standalone guarantee of distance or speed.
Who should consider it
The model may suit organisations connecting offices across a road, linking a warehouse to a security post, extending network access to a remote gate, supporting a temporary project office or building a managed outdoor bridge in a wider airMAX environment. It may also be evaluated by wireless service providers familiar with spectrum planning and outdoor radio installation.
It is less suitable where the path is blocked, mounting positions are unstable, power cannot be protected, the required capacity exceeds the practical link design, or regional rules do not permit the intended operating channel. Buyers needing a current platform should also compare the PBE-5AC-400 with newer PowerBeam or alternative UISP bridge options before committing to a legacy model.
Business challenge map
No practical cable path
A directional bridge can connect two reachable mounting points without opening a new trench, although survey, permissions and installation safety remain necessary.
Separated business facilities
The radio can carry network traffic between buildings when both ends have line of sight, appropriate elevation and a planned Ethernet handoff.
Temporary connectivity
Construction and event locations may use a wireless bridge where the mounting, spectrum and power arrangement can be made safe and stable for the required period.
Controlled directional coverage
The integrated reflector helps focus the link toward a known endpoint instead of providing broad indoor-style coverage in every direction.
Core capabilities in practical terms
Integrated directional design
The radio and reflector are designed as one outdoor assembly, reducing the number of separate RF components that must be selected for a standard deployment.
Gigabit Ethernet handoff
A Gigabit Ethernet interface connects the radio to the local network and carries passive PoE power from a compatible injector or power source.
Outdoor operating range
The manufacturer documentation specifies an outdoor operating temperature range and environmental tolerance, but local mounting and weather exposure must still be assessed.
airMAX ac platform
The model belongs to the airMAX ac generation and uses airOS management. Compatibility, firmware and feature expectations should be checked against the intended peer device.
Product-fit decision matrix
| Requirement | Suitable when | Confirm before ordering |
|---|---|---|
| Building-to-building bridge | Both rooftops or poles have a stable, clear path and safe access. | Distance, elevation, Fresnel clearance, mounting and cable path. |
| Legacy airMAX replacement | The exact model is needed to match an existing design or spare strategy. | Hardware version, firmware, region code and peer compatibility. |
| Outdoor IP connectivity | The traffic demand fits a planned 5 GHz bridge and the spectrum environment is workable. | Target throughput, channel width, noise floor and local rules. |
| Passive PoE deployment | A compatible 24V passive PoE injector or arrangement is available. | Voltage, polarity, cable quality, surge protection and grounding. |
| High-interference location | A survey identifies usable spectrum and the required link margin is realistic. | Alternative bands, shielded models or newer platforms may be preferable. |
Verified product information
The following details apply to the PBE-5AC-400 model and should not be mixed with PBE-5AC-400-ISO or PBE-5AC-Gen2 specifications. Regional radio settings and permitted frequencies remain country dependent.
| Brand | Ubiquiti |
|---|---|
| Product name | PowerBeam 5AC 400 |
| Model | PBE-5AC-400 |
| Product type | Outdoor 5 GHz airMAX ac bridge/CPE with integrated directional reflector |
| Antenna gain | 25 dBi |
| Maximum output power | Up to 25 dBm, subject to modulation and regional limits |
| Networking interface | One 10/100/1000 Ethernet port |
| Power method | Passive PoE, pairs 4/5 positive and 7/8 return |
| Power supply | 24V, 0.5A Gigabit PoE adapter listed as included in manufacturer documentation |
| Maximum power consumption | 8W |
| Dimensions | 420 x 420 x 275 mm |
| Weight | 2.5 kg |
| Mounting | Pole-mounting kit listed as included |
| Wind survivability | 200 km/h, subject to correct installation and supporting structure |
| Operating temperature | -40 to 70°C |
| Operating humidity | 5% to 95% non-condensing |
| Management | airOS; firmware and management compatibility should be confirmed |
| Availability | Contact FourTeck for current UAE options and lead time |
| Important note | This is the original PBE-5AC-400, not the ISO or Gen2 variant. |
Compatibility and dependency notice
A wireless bridge must be designed as a system. The remote radio, firmware family, operating mode, channel width, security configuration and regional frequency setting all affect compatibility. Do not assume that every device carrying a PowerBeam or airMAX name will pair with identical features or performance. When replacing one end of an existing link, capture the current model, firmware version, channel plan and configuration before selecting the replacement.
Passive PoE also requires deliberate checking. Connecting the radio to an incompatible active-PoE or differently wired source can create operational or hardware risk. Use the specified power arrangement, outdoor-rated cable, suitable grounding and surge protection. Any switch integration should be reviewed by voltage and pinout rather than by the word “PoE” alone.
From requirement to working link
Define the traffic need
List the applications, expected users, camera streams, business systems and future growth that the link must carry.
Survey both endpoints
Confirm coordinates, height, path clearance, mounting strength, cable route, safe access and nearby RF activity.
Validate the bill of materials
Confirm radios, PoE supplies, outdoor cable, surge protection, grounding, poles, brackets and network-side interfaces.
Install and align
Mount both units securely, weatherproof cable entries, establish coarse alignment and refine it using measured signal information.
Configure and test
Set regional parameters, management access, channel plan and link options, then test stability and real application traffic.
Directional performance depends on design
A 25 dBi directional antenna can provide useful link budget, but antenna gain alone does not determine the outcome. Free-space path loss rises with distance, while obstacles and partial Fresnel obstruction can introduce additional loss. Misalignment can also reduce the received signal because the beam is intentionally focused. The practical design should account for both normal conditions and fade margin rather than targeting only a connection that works during a brief test.
Channel width presents another trade-off. Wider channels can support greater raw capacity but require cleaner spectrum and may reduce the number of non-overlapping choices. Narrower channels can be more tolerant in crowded areas but carry less data. The appropriate setting should come from survey results, capacity needs and local regulation, not from a default copied from another site.
Management and operational control
airOS provides the device-level interface used to configure and observe the radio. Administrators should plan management addressing, secure credentials, time settings, firmware control and access restrictions as part of deployment. A bridge that carries important traffic should not be installed with default credentials or left without documentation.
Operational checks should include signal level, noise, modulation, Ethernet negotiation, error counters and link stability over time. A baseline recorded at handover helps the support team recognise later deterioration caused by movement, new obstructions, cable damage or increased interference. Remote monitoring can be considered where it fits the wider UISP or network-management design, but support for a particular management workflow should be confirmed for this model and firmware.
Outdoor power and protection
The PBE-5AC-400 uses passive 24V PoE, allowing power and data to share the Ethernet run. This reduces the need for an outdoor electrical outlet near the antenna, but it makes cable quality and power compatibility essential. Long or poor-quality cable can contribute to voltage drop and unstable operation, while indoor cable may deteriorate under ultraviolet exposure and weather.
Grounding and surge protection should be designed for the site rather than treated as optional finishing touches. The radio, mounting structure, shielded cable and network equipment form part of an outdoor electrical path. Lightning risk, local standards and building practice should be reviewed by qualified personnel. FourTeck can include installation-planning questions in the quotation process, while the final electrical and structural work must follow applicable site requirements.
Ideal business environments and use cases
Warehouses and yards
A bridge can connect an office network to a detached warehouse, gatehouse or yard facility where cable construction is difficult. Camera traffic and access-control requirements should be included in capacity planning.
Education and campuses
Schools and training sites may use directional links between buildings, provided rooftop permissions, safe mounting and operational ownership are clear.
Hospitality properties
Resorts, staff accommodation and remote service buildings can be connected where landscaping, guest areas or distance make new fibre routes impractical.
Construction projects
Temporary offices and site facilities may benefit from relocatable wireless links, but moving cranes, changing structures and dust require periodic review.
Security extensions
Remote CCTV locations can use a bridge when video bit rate, retention architecture and uplink contention are calculated rather than estimated informally.
Managed wireless networks
Experienced network operators may use the model within a broader airMAX deployment where spectrum, firmware and device lifecycle are centrally controlled.
Integration and operational considerations
The wireless bridge sits between two Ethernet networks, so the network design must determine what traffic should cross it. VLANs, spanning-tree behaviour, DHCP boundaries, routing, quality of service and security controls may all be relevant. A simple flat bridge can be appropriate for a small link, while larger organisations may prefer routed boundaries or controlled VLAN transport. The chosen arrangement should fit existing switching, firewall and monitoring standards.
The radio should also have a management plan separate from ordinary user access where practical. Administrators need a reliable way to reach both endpoints for troubleshooting without exposing device administration unnecessarily. Backup configuration files, naming standards, IP records, mounting photographs and alignment results should be retained. For critical links, consider redundancy at the network or service level because one wireless path remains a single dependency even when installed correctly.
Environmental change is another operational factor. A clear link during installation can later be affected by new buildings, vegetation, advertising structures or relocated equipment. Scheduled visual inspection and performance review can identify gradual degradation. Organisations that rely on the link for cameras, telephony or business systems should assign ownership for firmware review, physical inspection and incident response.
Buyer questions to resolve before ordering
Confirm whether the request is for PBE-5AC-400, PBE-5AC-400-ISO, PBE-5AC-Gen2 or a current alternative.
List normal and peak use, application sensitivity and expected growth rather than relying only on internet speed.
Check coordinates, terrain, roof heights, obstructions and Fresnel-zone clearance at both ends.
A spectrum survey is important where nearby access points, wireless ISPs or industrial radios may compete.
Clarify poles, brackets, roof access, cable containment, grounding, commissioning and documentation.
Define who monitors it, who can reach the rooftop, what spares are kept and what outage response is expected.
Procurement checklist
✓ Exact model and hardware variant
✓ Required quantity and spare strategy
✓ Endpoint coordinates and link distance
✓ Required throughput and application mix
✓ Line-of-sight and Fresnel assessment
✓ Regional frequency and channel plan
✓ Compatible 24V passive PoE arrangement
✓ Outdoor cable, grounding and surge protection
✓ Pole, bracket and structural requirements
✓ Installation access and safety controls
✓ Configuration, testing and handover scope
✓ Warranty and current availability confirmation
How FourTeck can assist
FourTeck can help translate a simple product request into a clearer purchasing brief. That may include confirming the exact model, reviewing the proposed use case, identifying whether a pair of radios is required, discussing the expected network handoff and checking common accessories such as outdoor cable, surge protection and mounting components. This early clarification reduces the risk of ordering a single radio for a two-ended link or selecting a legacy variant when a newer platform would better match the project.
For projects requiring more than supply, installation and configuration scope can be discussed before the quotation is prepared. The scope may cover site information review, mounting coordination, cable routing, radio alignment, basic configuration, performance testing and handover documentation, depending on the location and agreed responsibilities. Structural, electrical, rooftop-access and regulatory work may require separate qualified parties and site approvals.
Businesses can also explore broader networking assistance through the FourTeck technology services section, browse related network and security products, or send project details through the FourTeck contact page.
UAE availability and support guidance
Contact FourTeck to confirm current UAE availability for the PBE-5AC-400. Because this is an earlier PowerBeam model, availability may depend on remaining regional supply, quantity, hardware version and vendor lead time. A quotation should identify the exact model rather than relying on a general “PowerBeam 5AC” description. Buyers should also ask whether the PoE adapter and pole-mount components are included with the offered unit and whether any substitutions are proposed.
Delivery and project coordination can be discussed after the requirement is confirmed. Where installation is needed, include endpoint details, access restrictions, roof or mast conditions, cable distances and preferred commissioning schedule. Availability of engineering visits and installation dates depends on scope and site readiness and should be confirmed in the quotation rather than assumed.
Dubai, Abu Dhabi, Sharjah and Ajman coverage
FourTeck can coordinate requirement review and quotation discussions for organisations operating in Dubai, Abu Dhabi, Sharjah and Ajman. The practical next step is to share the two link locations, the number of radios required, expected capacity, installation height and whether the request is supply only or includes survey, mounting, configuration and testing. Site access, rooftop permissions, travel requirements and engineering availability can affect service scope. Product availability and delivery planning should be confirmed against the exact PBE-5AC-400 model and required quantity.
GCC Availability
FourTeck can assist businesses planning PowerBeam links across GCC markets by reviewing the intended application, confirming the exact model, coordinating quotations and clarifying configuration or installation requirements. Projects in the United Arab Emirates, Saudi Arabia, Kuwait, Qatar, Bahrain and Oman can differ in permitted frequencies, equipment versions, delivery arrangements and onsite service conditions. The PBE-5AC-400 is a legacy model, so buyers should state whether they need a match for an existing deployment or are open to a current alternative.
Product availability, regional radio settings, shipping schedules, service visits and vendor lead times can vary by country, quantity and project scope. To support an accurate response, provide the destination country, endpoint details, required quantity, target deployment date, expected throughput and any mounting, cabling, configuration or support expectations. For a Kuwait requirement, buyers may also review FourTeck Kuwait technology assistance. No local inventory or fixed delivery time should be assumed until the exact offer is confirmed.
Africa Availability
Organisations planning outdoor wireless links in African markets can contact FourTeck for product evaluation, model comparison, accessory planning and quotation coordination. The PBE-5AC-400 may be requested as a replacement for an installed airMAX link, but the exact hardware version, regional configuration and peer compatibility should be documented before supply. For new projects, a current Ubiquiti bridge or another platform may deserve comparison based on distance, interference, capacity and support expectations.
Fulfilment can depend on the destination, quantity, product lifecycle, power requirements, shipping arrangements, vendor lead time and local project conditions. Buyers should share the destination country, link coordinates, required radios, preferred deployment schedule and whether installation or remote configuration support is needed. FourTeck provides regional information through FourTeck Africa, with additional resources for Kenya technology projects and Uganda business requirements. Local stock, customs outcomes and country-wide onsite coverage must be confirmed for each request.
Related products and services to evaluate
PBE-5AC-Gen2
A newer PowerBeam 5AC generation that may be considered for new deployments. Dimensions, management features and compatibility are not identical to the original model.
PBE-5AC-400-ISO
An isolation-focused variant intended to improve RF shielding. It should not be treated as the same SKU as PBE-5AC-400.
Outdoor surge protection
Protection and grounding components should be selected as part of the site design and matched to cable and electrical requirements.
Wireless link survey
A survey can assess path clearance, mounting options and the local radio environment before equipment is committed.
Installation and alignment
Professional mounting, cable work, alignment and testing can be scoped where the site and access requirements are known.
Network security integration
Firewall, VLAN and routing design may be required when the wireless bridge connects business systems across separate facilities.
Why businesses contact FourTeck
The value of a product discussion is often in the questions resolved before purchase. FourTeck can help distinguish the original PBE-5AC-400 from similar PowerBeam variants, clarify whether one or two devices are needed, review common accessories and identify missing deployment information. This is especially useful when a model number appears in an old bill of materials, on a failed rooftop unit or in a third-party project specification.
Assistance can also cover quotation coordination, alternative-model discussion, installation planning and basic configuration scope. These activities help produce a clearer commercial offer, but they do not replace a physical survey where line of sight, structure, interference or safety cannot be evaluated remotely. Buyers can learn more about FourTeck through the company information page.
Frequently asked questions
Is the PBE-5AC-400 the same as PBE-5AC-Gen2?
No. They are separate hardware models. A replacement or new design should use the exact model number and confirm firmware, management and physical differences.
Do I need two units for a point-to-point link?
A point-to-point bridge normally requires a compatible radio at each endpoint. Existing infrastructure may change the quantity, so the current design should be reviewed.
What distance can the PowerBeam 5AC 400 cover?
There is no single guaranteed distance. Results depend on path clearance, elevation, interference, channel width, regulatory power limits, alignment and required capacity. A link calculation and survey are recommended.
Is the PoE adapter included?
Manufacturer documentation lists a 24V, 0.5A Gigabit PoE adapter, but the contents of the specific commercial offer should be confirmed before ordering.
Can it connect directly to a standard PoE switch?
Only when the power output is specifically compatible with the required passive 24V method and pinout. Standard active PoE support should not be assumed.
Does it require a software subscription?
The device uses airOS for local management. Any wider monitoring, support or management-platform requirement should be confirmed separately for the intended environment.
Can FourTeck install and align the link?
Installation scope can be discussed after both endpoint locations, access conditions, mounting requirements and cable routes are known. Availability of onsite work is project dependent.
Is the PBE-5AC-400 currently available in Dubai?
Current availability must be checked. Quantity, hardware version and vendor lead time can affect supply, particularly for an earlier model.
What information is needed for a quotation?
Provide the exact model, quantity, destination, endpoint distance, intended use, target capacity, installation scope and any required accessories or support.
How is warranty handled?
Warranty terms depend on the offered supply channel, product condition and current vendor policy. Ask for the applicable warranty details in the written quotation.
Confirm the model, path and complete bill of materials
Send FourTeck the two site locations, required quantity, target traffic and installation scope for a current UAE quotation and practical deployment discussion.
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