Ubiquiti Networks
Ubiquiti Networks AC Mesh Dual-Band Antenna UMA-D
Dual-band directional mesh antenna with weather-resistant enclosure and three-axis ball joint mount for precise aiming with UAP-AC-M access points
- TypeConsumer Electronics
- ColorBlack
- Dual-band 802.11ac performance for focused coverage
- High-efficiency directional pattern reduces interference
- Weather-resistant enclosure suits outdoor installs
- Ball-joint mount enables precise three-axis aiming
- Designed specifically for UAP-AC-M compatibility
Purpose and compatibility
The Ubiquiti UMA-D is a dual-band directional mesh antenna designed exclusively for the UAP-AC-M access point. It extends coverage outdoors or across long indoor corridors where focused signal delivery is required. Installers gain a dedicated high-gain option without replacing the base radio unit. This accessory targets network engineers building point-to-point or sector-style mesh links.
Construction and mounting
The antenna is housed in a UV-stabilised black plastic enclosure rated for outdoor weather resistance. A ball-joint mount provides three-axis adjustment so the beam can be aimed precisely on a pole or wall bracket. No active cooling or power circuitry is present, so the device adds no acoustic noise or electrical draw to the installation. Its passive nature keeps deployment simple and maintenance-free.
Signal behaviour under load
The directional radiation pattern concentrates energy along a narrow azimuth, maintaining link quality when client density or interference increases. Dual-polarity operation preserves throughput on both 802.11 chains during sustained traffic such as video backhaul or large file transfers. Because the antenna is passive, performance scales with the radio it serves rather than exhibiting thermal throttling or power saturation of its own.
Highlights
- Dual-band 802.11ac performance for focused coverage
- High-efficiency directional pattern reduces interference
- Weather-resistant enclosure suits outdoor installs
- Ball-joint mount enables precise three-axis aiming
- Designed specifically for UAP-AC-M compatibility
Specifications
| Brand | Ubiquiti Networks |
|---|---|
| Type | Consumer Electronics |
| Color | Black |
| Shipping weight | 1.00 kg |
| Package size | 324 × 193 × 61 mm |
Questions about this item
How do I install the UMA-D antenna on the UAP-AC-M access point, and what alignment step is commonly missed?
Remove the stock antennas from the UAP-AC-M, attach the UMA-D connectors, then use the ball joint mount to aim the directional radiation pattern precisely toward the target area; the step often missed is fine-tuning azimuth and elevation for the high-efficiency dual-polarity lobes.
What maintenance or replacement will the UMA-D antenna need over time?
The UV-stabilized plastic enclosure resists weather, but periodic inspection of the pole or wall mount hardware and connector seals is recommended to maintain the weather-resistant rating.
What performance limit appears first when the UMA-D runs sustained high-throughput 802.11ac traffic?
The directional radiation pattern concentrates gain in one direction, so the practical limit is client devices falling outside the aimed lobe, which reduces dual-band throughput before the access point itself saturates.
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