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Ubiquiti PowerBeam ac — Review & Specs | Pricepect | Pricepect

Home Network BridgesUbiquiti PowerBeam ac

Ubiquiti PowerBeam ac — image 1

Ubiquiti Networks

Ubiquiti PowerBeam ac

Expert Review Analysis

The Ubiquiti PowerBeam PBE-2AC-400 is a 2.4 GHz airMAX ac bridge with an 18 dBi dish antenna, designed for long‑range point‑to‑point and point‑to‑multipoint links up to 12.4 miles. It combines a dedicated management radio, passive PoE power, and airOS 8 firmware to deliver up to 330 Mbps throughput while maintaining low power consumption.

✓ Best for: Ideal for WISPs, rural broadband providers, and enterprises that need reliable long‑range (up to 12.4 miles) point‑to‑point or point‑to‑multipoint bridges in high‑noise 2.4 GHz environments, such as remote site backhaul, campus extensions, or network expansion where cabling is impractical.✗ Not ideal for: Not suited for ultra‑high‑throughput scenarios that demand gigabit‑class backhaul, or for deployments in extremely congested 2.4 GHz spectrums where a 5 GHz solution would experience less interference.

Pros

✓High 18 dBi dish gain delivers strong signal strength over long distances up to 12.4 miles.
✓Low power consumption of only 7.5 W enables cost‑effective operation with passive PoE.
✓

Best Seller Rank History

Now#860Best#303Worst#860 -557

Lower = better sales rank

Rating Trend

Rating3.4/ 5Reviews9

Specifications

Design

Height5.7 in mm

Width19.5 in mm

Length20.0 in mm

Weight7.95 lbs g

Device Weight1.795 kg g

Features

LEDsPower, Ethernet, 4 Signal Strength indicators

General

BrandUbiquiti Networks

ModelPBE-2AC-400

Warranty1 Year Limited Warranty

CertificationsCE, FCC, IC, NDAA Compliant

Network

Operating Frequency2412-2472 MHz (Worldwide); 2412-2462 MHz (USA)

Management Radio Frequency5150-5250 MHz (Worldwide); 5725-5850 MHz (USA)

Channel SizesPtP 10/20/40 MHz; PtMP 10/20/40 MHz

Performance

Gain18 dBi dBi

ProcessorMIPS 74Kc

Memory64 MB MB

Throughput330+ Mbps (real TCP/IP) Mbps

Range12.4 miles m

Ports

Ethernet Port1 x 10/100/1000 Mbps (GbE RJ45)

Power

Power Supply Voltage24 V V

Power Supply Current0.5 A A

Max Power Consumption7.5 W W

Supported Voltage Range22-26 VDC

Output Power27 dBm dBm

Protection

ESD/EMP ProtectionAir/contact ±24 kV

Mechanical

Wind Loading342.5 N at 200 km/h (77 lbf at 125 mph)

Mounting

Mechanical TiltBuilt‑in tilt ±20°

Radio

Management Radio FrequencyWorldwide 5150‑5250 MHz; USA U‑NII‑3 5725‑5850 MHz

Processor

CPUMIPS 74Kc

Dimensions & Weight

Height5.7 inches

Width19.5 inches

Depth20.0 inches

Weight7.95 Pounds

Research Sources

ispsupplies.com

a1securitycameras.com

techspecs.ui.com

invictuswireless.com

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User Reviews

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3.4

(9 reviews)

$124.99

PBE-2AC-400Clear289 1 Year Limited Warranty

Network Bridges

Dedicated management Wi‑Fi radio simplifies initial setup and remote monitoring.

✓Robust ESD/EMP protection rated at ±24 kV reduces risk of damage from electrical surges.

✓Built‑in mechanical tilt of ±20° and pole‑mount kit allow flexible installation angles.

✓AirMAX ac protocol and airOS 8 firmware provide real‑time RF analytics and high throughput up to 330 Mbps.

✓Compact galvanized steel enclosure with powder‑coated brackets ensures corrosion resistance.

Cons

✗Operating solely in the 2.4 GHz band makes the device more vulnerable to congestion and interference in crowded Wi‑Fi environments.
✗Maximum throughput of 330 Mbps may be insufficient for high‑bandwidth backhaul applications requiring gigabit speeds.
✗Output power limited to 27 dBm could restrict link performance compared to higher‑power 5 GHz alternatives.
✗Only a single 10/100/1000 Ethernet port limits simultaneous wired connections or aggregation.
✗Management radio shares the 2.4 GHz spectrum, potentially adding minor interference to the data link.

From Expert Reviews

Praised by Experts

✓Professional descriptions praise its “incredible antenna beam performance” delivering tight, high‑gain coverage.
✓Reviews highlight “improved noise immunity” thanks to the narrow 18 dBi beam in noisy RF environments.
✓Editors note the “versatile, cost‑effective deployment” for both PtP and PtMP scenarios.

Expert Opinion

Professional reviewers and editors emphasize the PowerBeam PBE-2AC-400’s exceptional beam directivity, noise immunity, and cost‑effective deployment. They commend its dedicated management radio, robust ESD protection, and the flexibility of pole‑mount installation, positioning it as a strong choice for long‑range 2.4 GHz links.

How It Compares

vs. Ubiquiti PowerBeam PBE-5AC

Advantages

✓Higher gain up to 29 dBi and operation in the less‑congested 5 GHz band improve range and reduce interference.
✓Higher output power supports longer links with stronger signal margins.

Disadvantages

✗Increased power consumption and need for higher‑voltage PoE make installation slightly more complex.
✗Larger antenna size may be less suitable for tight mounting locations.

Choose the PBE-5AC for environments where 5 GHz spectrum is clear and maximum range is required; select the PBE-2AC-400 when lower power, compact size, and better foliage penetration are priorities.

vs. Ubiquiti PowerBeam M2‑400 (legacy 2.4 GHz)

Advantages

✓Older model may be available at lower cost for budget‑constrained projects.

Disadvantages

✗Older 802.11g/n chipset limits throughput to around 100 Mbps, far below the 330 Mbps offered by the PBE-2AC-400.
✗Lacks airMAX ac protocol and dedicated management radio, reducing performance and ease of setup.

The PBE-2AC-400 supersedes the M2‑400 in speed, management features, and interference handling, making it the preferred choice for new deployments.

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