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Fortinet FortiAP HD-444KN
Narrow reconfigurable beam, 15 to 45 degrees elevation, reaching up to 150 ft down a seating bowl.
- Four radios, 16 total streams, 17.3 Gb/s maximum PHY rate
- 2,048 associated users and 200+ concurrent active users
- Selectable 15, 30 or 45 degree elevation by 30 degree azimuth beam
- 11.33 dBi at 5 GHz and 13.1 dBi at 6 GHz - the highest gain of the 444 pair
- Coverage range up to 150 ft, twice the reach of the 444KW
Hardware & subscription options
Every orderable Fortinet part number for this appliance, grouped by licensing tier. Pick the line you need and we will quote it — hardware, licence term and support in one place.
Appliance Only
The FortiGate hardware on its own, with no FortiCare or FortiGuard contract attached.
Fortinet FortiAP HD-444KN Appliance
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Fortinet FortiAP HD-444KN Access Point FortiAP-HD-444KN Wireless Outdoor High Density Narrow Reconfig AP - Four radio 4x4 streams (Wi-Fi 7 IEEE 802.11be Dual-band 5/6GHz config modes supported). Note: 6 GHz band not available in all regulatory domains. Internal antennas, 1x 10 Gbps, 1x 5 Gbps. 802.3bt PoE supported. #FAP-HD-444KN-AGet a Quote
FortiCare Support
Support contracts for the access point: ticket handling, hardware replacement and firmware upgrades.
Fortinet FortiCare Support (Service Subscription - Hardware Required)
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Fortinet FortiCare Premium Support for FortiAP HD-444KN - 1 Year #FC-10-HD4KN-247-02-12Get a Quote
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Fortinet FortiCare Premium Support for FortiAP HD-444KN - 3 Year #FC-10-HD4KN-247-02-36Get a Quote
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Fortinet FortiCare Premium Support for FortiAP HD-444KN - 5 Year #FC-10-HD4KN-247-02-60Get a Quote
Cloud Management and Services
FortiSASE cloud management for the access point, and the FortiGuard UTP subscription for G-series models.
Fortinet Cloud Management and Services (Service Subscription - Hardware Required)
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Fortinet FortiAP-HD WLAN Controller - WMS High Density Software, per site #LIC-WMS-HD-SWGet a Quote
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Fortinet FortiCare Premium Support for the FortiAP-HD WLAN Controller - 1 Year #FC-10-HDWMS-248-02-12Get a Quote
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Fortinet FortiCare Premium Support for the FortiAP-HD WLAN Controller - 3 Year #FC-10-HDWMS-248-02-36Get a Quote
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Fortinet FortiCare Premium Support for the FortiAP-HD WLAN Controller - 5 Year #FC-10-HDWMS-248-02-60Get a Quote
What each FortiCare and FortiGuard option includes
Fortinet licensing separates the hardware, the support contract and the security services. These are the combinations you will see in the part numbers above.
Hardware plus FortiCare Premium and FortiGuard Enterprise Protection
Hardware unit, FortiCare Premium ticket handling, advanced hardware replacement (NBD), firmware and general upgrades, and the Enterprise services bundle - IPS, AI-based inline malware prevention, advanced malware protection, inline CASB database, data loss prevention, application control, URL, DNS and video filtering, antispam, attack surface security, and FortiConverter Service - for the term of the contract.
Hardware plus FortiCare Premium and FortiGuard Unified Threat Protection (UTP)
Hardware unit, FortiCare Premium ticket handling, advanced hardware replacement (NBD), firmware and general upgrades, and the UTP services bundle - IPS, AV, botnet IP and domain, mobile malware, FortiGate Cloud Sandbox including virus outbreak and content disarm and reconstruct, application control, URL, DNS and video filtering, and antispam - for the term of the contract.
Enterprise Protection
FortiCare Premium ticket handling, advanced hardware replacement (NBD), firmware and general upgrades, and the Enterprise services bundle: IPS, AI-based inline malware prevention, advanced malware protection, inline CASB database, data loss prevention, application control, URL, DNS and video filtering, antispam, attack surface security, and FortiConverter Service.
Unified Threat Protection (UTP)
FortiCare Premium ticket handling, advanced hardware replacement (NBD), firmware and general upgrades, and the UTP services bundle: IPS, AV, botnet IP and domain, mobile malware, FortiGate Cloud Sandbox including virus outbreak and content disarm and reconstruct, application control, URL, DNS and video filtering, and antispam.
Advanced Threat Protection (ATP)
FortiCare Premium ticket handling, advanced hardware replacement (NBD), firmware and general upgrades, and the Advanced Threat Protection bundle: IPS, AV, botnet IP and domain, mobile malware, FortiGate Cloud Sandbox including virus outbreak and content disarm and reconstruct, and application control.
FortiCare Essential Support
FortiCare Essential ticket handling, hardware replacement, firmware and general upgrades, and application control.
FortiCare Premium Support
FortiCare Premium ticket handling, advanced hardware replacement (NBD), firmware and general upgrades, and application control.
FortiCare Elite Support
FortiCare Premium support with FortiCare Elite ticket handling.
Some services are sold on annual contracts only, with no multi-year part number available. We confirm the available terms when we quote.
Upgrading or extending an existing FortiCare contract is quoted separately - send us the serial number and we will price the upgrade.
Fortinet FortiAP HD-444KN Specifications
Fortinet published maximums, measured under the test conditions noted below.
Hardware
| Type | Outdoor high density AP |
|---|---|
| Wi-Fi Radios | 4 |
| 5 / 6 GHz Radios | Mode 1: 3 x 5 GHz / 1 x 6 GHz. Mode 2: 2 x 5 GHz / 2 x 6 GHz. |
| Total Number of Streams | 16 |
| MIMO | 4x4 (SU-MIMO or MU-MIMO) |
| Ethernet | 1 x 10 Gbps + 1 x 5 Gbps, auto-sensing |
| Power over Ethernet | 802.3bt PoE supported |
Performance and Capacity
| Maximum Associated Devices | Up to 2,048 |
|---|---|
| Maximum Concurrent Active Users | Up to 200+ |
| Maximum PHY Rate | 17.3 Gb/s |
| Maximum Channel Bandwidth | 160 MHz |
| Peak PHY Rates | 5 GHz 2.882 Gbps, 6 GHz 5.765 Gbps. Total 14.4 Gbps (mode 1) and 17.3 Gbps (mode 2) |
| Coverage Range | Up to 150 ft |
Antennas
| Characteristics | Band-optimised and reconfigurable, internal and integrated, directional and reconfigurable. Pattern, polarisation and spatial diversity. |
|---|---|
| Beamwidths (elevation x azimuth) | 15, 30 or 45 degrees elevation x 30 degrees azimuth |
| Scan Range | 70 degrees |
| Polarisation | Vertical and horizontal |
| Diversity | Angular / beam |
| Maximum 5 GHz Antenna Gain | 11.33 dBi |
| Maximum 6 GHz Antenna Gain | 13.1 dBi |
| 6 GHz AFC Standard Power (GPS + external antenna) | Supported |
Radio and Security
| Supported Standards | IEEE 802.11a/b/g/n/ac/ax/be |
|---|---|
| Supported Rates | 802.11b 1-11 Mbps; 802.11a/g 1-54 Mbps; 802.11n 6.5-600 Mbps (MCS0-31, 1-4 SS); 802.11ac Wave 2 6.5 Mbps to 1.733 Gbps (MCS0-9, 1-4 SS); 802.11ax HE VHT20/40/80/160; 802.11be EHT20/40/80/160/320 |
| Supported Channels (by country code) | 5.15-5.25 GHz 36-48 (U-NII-1); 5.25-5.35 GHz 52-64; 5.47-5.725 GHz 100-140 (U-NII-2C); 5.725-5.850 GHz 149-165 (U-NII-3); 5.925-6.425 GHz 1-93 (U-NII-5); 6.525-6.885 GHz 117-185 (U-NII-7) |
| Channelization | 20/40/80/160 MHz |
| Maximum Tx Power (by country code, band, MCS) | 5 GHz 26 dBm, 6 GHz 26 dBm |
| Rx Sensitivity | 802.11n/ac (MCS0, HT20/VHT20) -93 dBm; 802.11ax/be (MCS0, EH20/EHT20) -93 dBm |
| Features | OFDMA, TWT, BSS colour, AFC, TPC, DFS, TxBF, SGI. Future: MLO, PP, MRC, MLD, CDD, STBC, LDPC |
| Security | WPA, IEEE 802.11i (WPA2, WPA3, RSN), TLS, DTLS, IEEE 802.1X. Encryption AES, CBC, CCM, CCMP128/256 |
Wireless and Traffic Management
| Standards (pending) | 802.11e QoS, 802.11k RRM, 802.11r Fast BSS transition (FT), 802.11v Wireless Network Management, 802.11ae Prioritization of Management Frames |
|---|---|
| Wireless and Traffic Features (pending) | Airtime fairness, client load balancing, dynamic radio management based on client, radio and AP metrics |
| Interfaces | WLAN controller: WMS and AC |
Dimensions
| Length x Width x Height | 18 x 14 x 3 in (44 x 34 x 8 cm) |
|---|---|
| Weight | 8.8 lbs (4.0 kg) |
Power and Environment
| Maximum Input Power (per port) | PoE+ 25.5 W at 42.5-56 VDC; 4PPoE 30 W at 42.5-56 VDC; 4PPoE 60 W at 42.5-56 VDC |
|---|---|
| Maximum Power Consumption | 51 W |
| Power over Ethernet | PoE 802.3at (Type I) / 802.3af, PoE+ 802.3at (Type II), 4P PoE++ 802.3bt, LLDP |
| Operating Temperature | -40-131 F (-40-55 C) |
| Storage Temperature | -40-158 F (-40-70 C). Below -20 C, up to 20 minutes to reach a minimum internal operating temperature of -20 C |
| Humidity | 5% to 95% non-condensing |
| Operating Altitude | 3,000 m |
| Surge Immunity | 1 kVA |
| Lightning Protection | -4 kV with optional external primary protection |
| Additional Features | Air vent valve for balancing humidity and pressure. UV resistant, corrosion resistant, IP67 rated against water, dust and smoke. |
Certification and Compliance
| Emissions (EMI/EMC) | FCC Part 15 Class B, ICES-003 issue 6 Class B |
|---|---|
| Radio | FCC Part 15c, Part 15e (US) |
| Surge | IEC 61000-4-5 Edition 2.0 2014, EN 61000-4-5:2014 |
| Safety | UL2043 |
| Wi-Fi Alliance (pending) | Wi-Fi Certified n, ac, ax, be. WPA2 and WPA3. Protected Management Frames Voice-Enterprise. WMM. |
| Mean Time Between Failures | 184,874 hours (calculated) |
| Mean Time To Repair | 30 minutes |
Specifications are from Fortinet’s September 2026 FortiAP High Density series datasheet.
The High Density range is the exception to the rest of FortiAP: it runs under the FortiAP-HD WLAN controller, licensed per site as LIC-WMS-HD-SW. That licence is listed below and is needed in addition to the access points.
The 6 GHz band is not available in every regulatory domain and its use is subject to regional regulatory approval.
Fortinet’s ordering table lists this model without a region suffix, while our catalogue source lists it with -A. We confirm the exact part number at quote.
FortiCare Essential is sold as a renewal only on FortiAP and cannot be bought with new hardware.
Part numbers are Fortinet catalogue SKUs listed for reference. Availability, term and lead time are confirmed at quote.
FortiAP HD-444KN
Narrow reconfigurable beam, 15 to 45 degrees elevation, reaching up to 150 ft down a seating bowl.
The Narrow One of the Reconfigurable Pair
The 444KN takes the same four radios as the 444KW and puts them behind a far tighter antenna: a selectable 15, 30 or 45 degree elevation beam, 30 degrees wide, with 13.1 dBi of gain at 6 GHz. That concentration is what gets it to 150 ft, which is the difference between covering the block in front of you and covering the one across the bowl. The trade is a 70 degree scan range rather than 360.
Managed From the Firewall, Not a Controller
A FortiAP has no separate controller to buy, licence or patch. It is managed from a FortiGate, from FortiEdge Cloud or through FortiSASE, which means the wireless policy and the security policy are configured in the same place and the access point is part of the Security Fabric rather than a device bolted on beside it. For a site that already runs a FortiGate, adding wireless is adding an access point and nothing else.
Interested in the Fortinet FortiAP HD-444KN?
Simply tell us your deployment needs and we will confirm availability, lead time and licence type, then get back to you with a quote.
Request a Quote