Ubiquiti UniFi UK-Ultra “Swiss Army Knife” Access Point
Incredibly compact and versatile, the Ubiquiti UniFi UK-Ultra is an indoor/outdoor access point designed for flexible deployment and long-range coverage with optional external antennas.
Key Features
- Compact indoor/outdoor AP with weatherproof (IPX6) housing for exposed outdoor installations*
- High-performance WiFi with 5 spatial streams and dual-band 802.11a/b/g/n/ac support
- Coverage up to 115 m² (1,250 ft²) with the internal antenna
- Client capacity for 200+ concurrent devices
- 2x2 MIMO on both 2.4 GHz and 5 GHz bands
- PoE powered via GbE uplink (single RJ45 GbE port)
- Versatile mounting: wall, ceiling, and pole (mounting accessories included)
- External antenna support via 2 x RP-SMA connectors to extend range
- LED indicators for power and mesh signal
- Advanced software features including VLANs, QoS, and guest traffic isolation
- Omnidirectional and directional antenna accessories coming soon
* Weatherproof (outdoor exposed)
Product Overview
The UniFi UK-Ultra “Swiss Army Knife” Access Point delivers flexible, high-density WiFi in a compact form factor. Supporting wireless standards 802.11a/b/g/n/ac in a 2x2 MIMO configuration for both 2.4 GHz and 5 GHz, it can handle 200+ connected clients while covering up to 115 m² (1,250 ft²) with its internal antenna.
A pair of RP-SMA connectors allows you to connect omnidirectional or sectoral external antennas to increase the transmitter’s range. With included mounting accessories, the UniFi UK-Ultra can be installed on walls, ceilings, or poles, making it ideal for a wide variety of deployment scenarios.
Powered via PoE and managed through UniFi Network applications, this access point offers robust features such as WPA-Enterprise security, VLAN (802.1Q), advanced QoS with per-user rate limiting, and guest traffic isolation.
Specifications
Mechanical
| Parameter | Value |
|---|---|
| Dimensions | 137 x 84 x 34 mm (5.4 x 3.3 x 1.3") |
| Weight | 173 g (6.1 oz) |
| Enclosure materials | UV-stabilized polycarbonate |
| Mount materials | Polycarbonate, SGCC steel, plastic |
| Pole mount diameter | 1–2" pipe outer diameter |
| Wind survivability | 33.2 N at 200 km/h (7.5 lbf at 125 mph) |
| Weatherproofing | IPX6 |
Hardware
| Parameter | Value |
|---|---|
| Networking interface | (1) GbE RJ45 port |
| Management interface | Ethernet |
| Power method | PoE |
| Power supply | UniFi PoE Switch |
| Supported voltage | 44–57 V DC |
| Max. power consumption | 8 W |
| Max. TX power | 2.4 GHz – 20 dBm; 5 GHz – 20 dBm |
| MIMO | 2.4 GHz – 2 x 2; 5 GHz – 2 x 2 |
| Throughput rate | 2.4 GHz – 300 Mbps; 5 GHz – 866.7 Mbps |
| Antenna gain | 2.4 GHz – 6 dBi; 5 GHz – 6 dBi |
| Antenna configuration | (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 mount (included) |
| Operating temperature | -40 to 60° C (-40 to 140° F) |
| Operating humidity | 5 to 95% noncondensing |
| Certifications | CE, FCC, IC |
Software
| Parameter | Value |
|---|---|
| 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 features | Guest traffic isolation supported |
| Concurrent clients | 200+ |
Supported Data Rates
| Standard | 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) |
Application Requirements
| Platform | Minimum Version |
|---|---|
| UniFi Network (Web) | Version 8.0.7 and later |
| iOS | Version 10.11.1 and later |
| Android | Version 10.10.1 and later |
