Ubiquiti UniFi Swiss Army Knife Ultra Access Point (UK-Ultra)
The Ubiquiti Swiss Army Knife Ultra is an incredibly compact indoor/outdoor access point (AP) which offers versatile mounting options, making it suitable for a variety of installations. With long-range external antenna support, this AP ensures robust performance in both residential and commercial settings.
Ubiquiti UK-Ultra Key Features:
- 115 m² (1,250 ft²) coverage with internal antenna
- 200+ connected devices
- WiFi 5 (2x2 MIMO)
- Powered using PoE
- Compact form factor
- Versatile wall and pole mounting
- (2) RP-SMA connectors for optional external antennas*
Equipped with WiFi 5 technology and four spatial streams, it delivers strong connectivity and impressive data speeds. The internal antenna provides coverage of up to 115 m² (1,250 ft²), supporting over 200 connected devices simultaneously, making it ideal for high-density environments.

Powered using PoE, this access point simplifies installation by reducing cable clutter. It features a Gigabit Ethernet (GbE) uplink for a stable connection to your network. The AP can be mounted on walls, ceilings, or poles, providing flexibility in positioning for optimal coverage.

Additionally, it includes two RP-SMA connectors for optional external antennas, enhancing its range and performance. Designed to be weatherproof, this access point is suitable for outdoor exposure, ensuring reliable operation in various environmental conditions.

Ubiquiti UK-Ultra Technical Specifications
Mechanical
- Dimensions: 137 x 84 x 34 mm (5.4 x 3.3 x 1.3")
- Weight: 173 g (6.1 oz)
- Enclosure materials: UV-stabilised polycarbonate
- Mount materials: Polycarbonate, SGCC steel, plastic
- Pole mount diameter: 1~2" on pipe outer diameter
- Wind survivability: 33.2 N at 200 km/h (7.5 lbf at 125 mph)
- 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
20 dBm
20 dBm
MIMO
2.4 GHz
5 GHz
2 x 2
2 x 2
- Throughput rate
2.4 GHz
5 GHz
300 Mbps
866.7 Mbps
Antenna gain
2.4 GHz
5 GHz
6 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 mount (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)
Application Requirements
- UniFi Network: Web: Version 8.0.7 and later
- iOS™: Version 10.11.1 and later
- Android™: Version 10.10.1 and later