Ubiquiti UniFi Swiss Army Knife Ultra
UniFi Swiss Army Knife – Compact Indoor/Outdoor WiFi 5 Access Point with External Antenna Support
The UniFi Swiss Army Knife is an ultra-compact WiFi 5 access point designed for flexible deployments across indoor and outdoor environments. With support for four spatial streams and up to 115 m² (1,250 ft²) of coverage using its internal antenna, it’s ideal for high-density connectivity in retail, hospitality, warehouses, and outdoor installations.
Capable of handling 200+ connected devices, the unit includes a GbE uplink port and is powered via PoE for streamlined installation. Its compact design supports wall, ceiling, or pole mounting, enabling rapid deployment in virtually any setting. For even greater range or directional coverage, the unit features two RP-SMA connectors for attaching optional external antennas.
Built to withstand outdoor exposure and deliver reliable performance in varied environments, the UniFi Swiss Army Knife offers powerful connectivity in a rugged, scalable form factor that fits anywhere.
Tech Specs
Click here for the UniFi Swiss Army Knife Ultra datasheet.
| Device Specifications | |
|---|---|
| Overview | |
| Dimensions | 137 x 84 x 34 mm (5.4 x 3.3 x 1.3") |
| WiFi Standard | WiFi 5 |
| Spatial Streams | 4 |
| Coverage Area | 115 m² (1,250 ft²) |
| Max. Client Count | 200+ |
| Uplink | GbE |
| Mounting | Ceiling, Wall, Pole, Table (With Accessory) (Mounts Included) Desktop Stand (Optional) |
| Weatherproofing | IPX6 |
| Power Method | PoE |
| Performance | |
| MIMO | 5 GHz: 2 x 2 (DL MU-MIMO) 2.4 GHz: 2 x 2 (DL MU-MIMO) |
| Max. Data Rate | 5 GHz: 866.7 Mbps (BW80) 2.4 GHz: 300 Mbps (BW40) |
| Antenna Gain | 5 GHz: 6.1 dBi 2.4 GHz: 4.7 dBi |
| Max. TX Power | 5 GHz: 20 dBm 2.4 GHz: 20 dBm |
| Max. BSSIDs | 8 per Radio |
| Supported Data Rates | 802.11ac (WiFi 5): 6.5 Mbps to 866.7 Mbps (MCS0 - MCS9 NSS1/2, VHT 20/40/80) 802.11n: 6.5 Mbps to 300 Mbps (MCS0 - MCS15, HT 20/40) |
| Features | |
| WiFi Features | Wireless Meshing Band Steering 802.11v BSS Transition Management 802.11r Fast Roaming 802.11k Radio Resource Management (RRM) Advanced Radio Management |
| Hotspot Features | Passpoint (Hotspot 2.0) Captive Hotspot Portal Custom Branding Landing Page Voucher Authentication Payment-Based Authentication External Portal Server Support Password Authentication |
| Security | Guest Network Isolation Private Pre-Shared Key (PPSK) WiFi Speed Limiting Client Device Isolation WiFi Schedules RADIUS over TLS (RadSec) Dynamic RADIUS-assigned VLAN |
| Hardware | |
| Max. Power Consumption | 8W |
| Supported Voltage Range | 44—57V DC |
| Networking Interface | (1) GbE RJ45 port |
| Weight | 173 g (6.1 oz) |
| Wind Loading | 33.2 N at 200 km/h (7.5 lbf at 125 mph) |
| Pole Mount Diameter | 1~2" (25–50 mm) |
| Antennas | (1) Internal antenna (2) RP-SMA connectors |
| Management | Ethernet |
| Enclosure Material | UV-stabilized polycarbonate |
| Mount Material | Polycarbonate, SGCC steel, plastic |
| LEDs | System: (1) Power: White/Blue (4) Mesh Signal: Blue |
| Channel Bandwidth | HT 20/40, VHT 20/40/80, HE 20/40/80 (MHz) |
| NDAA Compliant | ✓ |
| Certifications | CE, FCC, IC, Anatel |
| Operating Frequency | US/CA: 2400 - 2472 MHz U-NII-1: 5150 - 5250 MHz U-NII-2A: 5250 - 5350 MHz U-NII-2C: 5470 - 5725 MHz U-NII-3: 5725 - 5850 MHz Worldwide: 2400 - 2483.5 MHz 5150 - 5725 MHz |
| Ambient Operating Temperature | -40 to 60° C (-40 to 140° F) |
| Ambient Operating Humidity | 5 to 95% noncondensing |
| Software | |
| Application Requirements | UniFi Network Version 7.5.187 and later |
FAQs
Q: What is the Ubiquiti UK‑Ultra and where can it be deployed?
A: The UK‑Ultra is a compact indoor/outdoor WiFi 5 access point (AP) often dubbed the "Swiss Army Knife" of UniFi, supporting versatile wall, ceiling, or pole mounting for flexible placement.
Q: What wireless performance and client capacity does the UK‑Ultra deliver?
A: Powered by AC1200 dual-band WiFi (2×2 MIMO), it covers approximately 115 m² (1,250 ft²), supports 200+ concurrent clients, and includes four spatial streams for reliable high-density coverage.
Q: What connectivity and power options are available on the UK‑Ultra?
A: The device is powered via PoE (802.3af) over a single GbE RJ45 uplink port, simplifying installation and minimizing cabling requirements.
Q: Does the UK‑Ultra support external antennas and what accessories are available?
A: Yes—two RP‑SMA connectors allow the addition of omnidirectional or directional antennas (sold separately) to extend range or tailor coverage.
Q: How rugged is the UK‑Ultra for outdoor use?
A: Built for durability, it features an IPX6-rated, UV‑stabilized polycarbonate housing, withstands winds up to 200 km/h, and operates reliably in temperatures from –40 °C to 60 °C.