Ubiquiti UniFi AC HD
UniFi AC HD – Ceiling-Mount WiFi 5 Access Point for High-Density Environments
The UniFi AC HD is a ceiling-mounted WiFi 5 access point designed for demanding, high-density networks. With eight spatial streams and coverage up to 140 m² (1,500 ft²), it supports more than 500 connected devices, making it suitable for enterprise offices, conference centres, auditoriums, and other environments with heavy client traffic.
Powered via PoE+* and equipped with dual GbE uplinks, the AC HD provides flexible connectivity options while integrating seamlessly with UniFi-managed networks for centralised monitoring and configuration. Its WiFi 5 technology ensures strong throughput and stable performance for business-critical applications, including video conferencing, VoIP, and cloud collaboration.
Compact and discreet, the UniFi AC HD delivers enterprise-grade wireless performance where capacity and reliability are essential.
*PoE injector or switch sold separately.
Tech Specs
Click here for the UniFi AC HD datasheet.
| Device Specifications | |
|---|---|
| Dimensions | Ø220 x 48.1 mm (Ø8.7 x 1.9") |
| WiFi Standard | WiFi 5 |
| Spatial Streams | 8 |
| Coverage Area | 140 m² (1,500 ft²) |
| Max. Client Count | 500+ |
| Uplink | GbE |
| Mounting | Ceiling, Wall (Pro Mount Included) |
| Power Method | PoE+ |
| Performance | |
| MIMO | 5 GHz: 4 x 4 (DL MU-MIMO) 2.4 GHz: 4 x 4 (DL MU-MIMO) |
| Max. Data Rate | 5 GHz: 1.7 Gbps (BW80) 2.4 GHz: 800 Mbps (BW40) |
| Antenna Gain | 5 GHz: 4 dBi 2.4 GHz: 3 dBi |
| Max. TX Power | 5 GHz: 25 dBm 2.4 GHz: 25 dBm |
| Max. BSSIDs | 8 per Radio |
| Supported Data Rates | 802.11ac (WiFi 5): 6.5 Mbps to 1.7 Gbps (MCS0 - MCS9 NSS1/2/3/4, VHT 20/40/80) 802.11n: 6.5 Mbps to 450 Mbps (MCS0 - MCS23, HT 20/40) |
| Features | |
| Wireless Meshing | ✓ |
| Band Steering | ✓ |
| 802.11v BSS Transition Management | ✓ |
| 802.11r Fast Roaming | ✓ |
| 802.11k Radio Resource Management (RRM) | ✓ |
| Advanced Radio Management | ✓ |
| Passpoint (Hotspot 2.0) | ✓ |
| Captive Hotspot Portal | Custom Branding Landing Page |
| Voucher Authentication | ✓ |
| Payment-Based Authentication | ✓ |
| External Portal Server Support | ✓ |
| Password Authentication | ✓ |
| 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 | 17W |
| Includes PoE Adapter | ✓ |
| Supported Voltage Range | 44—57V DC |
| Networking Interface | (2) GbE RJ45 ports |
| Weight | Device: 700 g (1.5 lb) With mount: 830 g (1.8 lb) |
| Management | Ethernet WiFi |
| LEDs | System: Status |
| Channel Bandwidth | HT 20/40, VHT 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 | -10 to 70° C (14 to 158° F) |
| Ambient Operating Humidity | 5 to 95% noncondensing |
| Software | |
| Application Requirements | UniFi Network Version 6.0.45 and later |
FAQs
Q: What is the Ubiquiti UAP‑AC‑HD and what is it used for?
A: The UAP‑AC‑HD is a high-density dual-band access point designed for enterprise environments, delivering fast, reliable WiFi coverage in offices, auditoriums, and public spaces.
Q: What wireless standards and frequency bands does the UAP‑AC‑HD support?
A: It supports IEEE 802.11a/b/g/n/ac on 2.4 GHz and 5 GHz bands with 4×4 MU-MIMO, providing high throughput and improved performance for multiple simultaneous clients.
Q: How is the UAP‑AC‑HD powered and connected?
A: The device uses a Gigabit Ethernet port and supports 802.3at PoE+, allowing both power and data over a single cable for simple installation.
Q: How many clients can the UAP‑AC‑HD support simultaneously?
A: The UAP‑AC‑HD is designed for high-density environments and can handle hundreds of concurrent clients while maintaining stable, high-speed connections.
Q: How is the UAP‑AC‑HD managed?
A: It integrates with the UniFi Network Application, enabling centralised configuration, monitoring, analytics, and firmware updates across multiple devices.
Resources
Guide: UniFi Network for Retail and Hospitality — MS Dist
Guide: Setting Up a Ubiquiti UniFi Network for a Small Office or Business — MS Dist