UK-ULTRA – Compact Indoor/Outdoor UniFi Access Point with Long-Range Antenna Support
The Ubiquiti UK-ULTRA is an incredibly compact, weather-resistant indoor/outdoor access point built for reliable, high-performance WiFi coverage. With versatile mounting options, long-range external antenna support, and robust IPX6 weatherproofing, this AP is ideal for demanding environments from homes and offices to outdoor event spaces and industrial areas.
Designed for flexibility and durability, the UK-ULTRA delivers strong WiFi 5 (802.11ac) performance, supports over 200+ concurrent clients, and can be deployed on walls, ceilings, or poles with the included mounting hardware. Powered via UniFi PoE, it’s easy to install and integrate into the UniFi Network ecosystem for centralized management.
Key Features & Benefits
All-Weather Durability
IPX6-rated weatherproofing ensures reliable performance in harsh environments, while the UV-stabilized polycarbonate enclosure resists sun damage.
Long-Range Connectivity & External Antenna Support
Equipped with two RP-SMA connectors for optional external antennas, enabling extended coverage for wide-area WiFi deployments.
Wind-Resistant Design
Engineered to withstand up to 33.2 N at 200 km/h wind speeds, making it suitable for exposed outdoor installations.
Fast Dual-Band WiFi Performance
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2.4 GHz: Up to 300 Mbps with 2×2 MIMO
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5 GHz: Up to 866.7 Mbps with 2×2 MIMO
Perfect for smooth HD streaming, VoIP calls, and high-speed browsing.
Easy PoE Integration
Powered by UniFi PoE switches for simple installation without separate power adapters.
Advanced UniFi Management
Full support for VLAN tagging, per-user rate limiting, guest traffic isolation, and WPA/WPA2 Enterprise security through the UniFi Controller.
Technical Specifications
| Dimensions | 137 x 84 x 34 mm |
| Weight | 173 g |
| Enclosure material | UV-stabilized polycarbonate |
| Mount material | Polycarbonate, SGCC steel, plastic |
| Pole mount diameter | 1~2″ on pipe outer diameter |
| Wind survivability | 33.2 N at 200 km/h |
| Weatherproofing | IPX6 |
| Hardware | |
| Networking interface | (1) GbE RJ45 port |
| Management interface | Ethernet |
| Power method | PoE |
| Power supply | UniFi PoE Switch |
| Supported voltage range | 44—57V DC |
| Max. power consumption | 8W |
| Max. TX power 2.4 GHz 5 GHz 6 GHz |
20 dBm 20 dBm – |
| MIMO 2.4 GHz 5 GHz 6 GHz |
2 x 2 2 x 2 – |
| Throughput rate 2.4 GHz 5 GHz 6 GHz |
300 Mbps 866.7 Mbps – |
| Antenna gain 2.4 GHz 5 GHz 6 GHz |
4.7 dBi 6 dBi – |
| Antenna | (1) Internal antenna (2) RP-SMA connectors for optional external antennas |
| LEDs | (1) Power: white/blue (4) Mesh signal: blue |
| Button | Factory reset |
| Mounting | Wall, ceiling, pole (Included) |
| Operating temperature | -40 to 60° C (-40 to 140° F) |
| Operating humidity | 5 to 95% noncondensing |
| Certifications | CE, FCC, IC |
| Software | |
| WiFi standards | 802.11a/b/g/n/ac |
| Wireless security | WPA-PSK, WPA-Enterprise (WPA/WPA2, TKIP/AES) |
| BSSID | 8 per radio |
| VLAN | 802.1Q |
| Advanced QoS | Per-user rate limiting |
| Guest traffic isolation | Supported |
| Concurrent clients | 200+ |
| Supported Data Rates | |
| 802.11a | 6, 9, 12, 18, 24, 36, 48, 54 Mbps |
| 802.11b | 1, 2, 5.5, 11 Mbps |
| 802.11g | 6, 9, 12, 18, 24, 36, 48, 54 Mbps |
| 802.11n (WiFi 4) | 6.5 Mbps to 300 Mbps (MCS0 – MCS15, HT 20/40) |
| 802.11ac (WiFi 5) | 6.5 Mbps to 866.7 Mbps (MCS0 – MCS9 NSS1/2, VHT 20/40/80) |
Ideal Use Cases
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Outdoor WiFi Hotspots – Extend high-speed WiFi to parks, cafes, and campuses.
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Enterprise Networks – Reliable, scalable wireless for offices and warehouses.
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Events & Venues – Support hundreds of concurrent users with consistent connectivity.
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Remote & Rural Areas – Long-range coverage with external antennas.
FAQs
Q1: Can the UK-ULTRA be used outdoors year-round?
A1: Yes, it’s IPX6 weatherproof and wind-resistant, designed for year-round outdoor operation.
Q2: Does it support WiFi 6?
A2: No, the UK-ULTRA operates on WiFi 5 (802.11ac) with dual-band MIMO technology.
Q3: Can I mount it on a pole?
A3: Yes, it supports wall, ceiling, and pole mounting with included hardware.
Q4: How is it powered?
A4: The UK-ULTRA uses PoE from UniFi PoE switches for easy single-cable installation.
Q5: How many clients can it support?
A5: It can handle over 200 concurrent clients, making it ideal for high-density environments.
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