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White square ceiling access point with rounded edges and recessed indicator lights

Fortinet

Fortinet FAP-431G-A Wi-Fi 6E tri-radio access point

SKU CH-WSTT-S6663 MPN FAP-431G-A

A tri-radio Wi-Fi 6E indoor access point delivering up to 1148 Mbps, 2402 Mbps and 4804 Mbps across 2.4 GHz, 5 GHz and 6 GHz bands with dual 5G Base-T ports

  • Standards802.11a, 802.11b, 802.11d, 802.11e, 802.11g, 802.11h, 802.11
  • Wireless Data RatesRadio 1: up to 1148 Mbps Radio 2: up to 2402 Mbps Radio 3: U
  • Interfacex2 100/1000/2500/5000 Base-T RJ45, 1 Type 3.0 USB, 1 RS-232
  • Multiple SSIDsUp to 8 per client serving radio (7 if background scanning i
  • MIMOUL MU-MIMO DL- MU-MIMO
  • CertificationsWi-Fi Alliance Certified DFS: CE, FCC, Singapore

Options FAP-431G-A

  • Tri-radio Wi-Fi 6E covers 2.4, 5 and 6 GHz simultaneously
  • Up to 4804 Mbps on the 6 GHz radio for high-density clients
  • Two 5 GbE RJ-45 ports deliver wired backbone speed
  • Internal antennas with 4×4 MU-MIMO serve multiple users at once
  • Operating range 0 °C to 50 °C suits demanding indoor sites

FortiAP 431G tri-radio Wi-Fi 6E access point

The Fortinet FortiAP 431G is an enterprise-grade indoor wireless access point that operates across the 2.4 GHz, 5 GHz and 6 GHz bands. It contains three radios with four spatial streams each and includes two multi-gigabit Ethernet ports for wired backhaul. The unit ships with a standard mounting kit for ceiling, T-rail and wall installation.

Suits Wi-Fi 6E environments needing tri-band service

This access point fits networks that want simultaneous 2.4 GHz, 5 GHz and 6 GHz client access with 24/7 background scanning. It is not for buyers who require external antenna connectors, outdoor-rated enclosures or Power over Ethernet input beyond the 802.3bt standard supported by the two RJ45 ports.

Three radios deliver up to 4804 Mbps on the 6 GHz

The highest-rate radio reaches 4804 Mbps using four spatial streams on the 6 GHz band, while the other two radios provide up to 2402 Mbps and 1148 Mbps respectively. This combined throughput determines whether the AP matches the capacity plan for a given deployment.

Highlights

  • Tri-radio Wi-Fi 6E covers 2.4, 5 and 6 GHz simultaneously
  • Up to 4804 Mbps on the 6 GHz radio for high-density clients
  • Two 5 GbE RJ-45 ports deliver wired backbone speed
  • Internal antennas with 4×4 MU-MIMO serve multiple users at once
  • Operating range 0 °C to 50 °C suits demanding indoor sites

Specifications

BrandFortinet
SeriesFortiAP
ModelFortiAP 431G
Standards802.11a, 802.11b, 802.11d, 802.11e, 802.11g, 802.11h, 802.11i, 802.11j, 802.11k, 802.11n, 802.11r, 802.11u, 802.11v, 802.11w, 802.11ac, 802.11ax, 802.1Q, 802.1X, 802.3ad, 802.3at, 802.3bt, 802.3az, 802.3bz
Wireless Data RatesRadio 1: up to 1148 Mbps
Radio 2: up to 2402 Mbps
Radio 3: Up to 4804 Mbps
Interfacex2 100/1000/2500/5000 Base-T RJ45, 1 Type 3.0 USB, 1 RS-232 RJ45 Serial Port
Multiple SSIDsUp to 8 per client serving radio (7 if background scanning is enabled)
MIMOUL MU-MIMO
DL- MU-MIMO
CertificationsWi-Fi Alliance Certified
DFS: CE, FCC, Singapore
TemperatureOperating Temperature
32°F to 122°F (0°C to 50°C)
Storage Temperature
-22°F to 158°F (-30°C to 70°C)
Humidity5% to 90% non-condensing
Dimensions8.85x 8.85 x 2.12 inches (225.0x 225.0 x 54.0 mm)
Weight3.05 lbs (1.4 kg)
FeaturesNumber of Antennas
Internal: x4 Dual band Wi-Fi + x4 Tri-band Wi-Fi and
Scanning + 1 2.4GHz BLE/
ZigBee + 1 GPS antenna
Antenna Type Support
RP-SMA (4 total): Dual Band Antenna (4)
Antenna Type and Peak Gain
Omni Directional antenna.
Dual band: 4.0 dBi for 2.4GHz, 5.6 dBi for 5 GHz
Tr-band: 4.0 dBi for 2.4GHz, 6.0 dBi for 5 GHz and 5.7dBi for 6GHz band
BLE antenna: 5.1dBi for 2.4Ghz
Radio 1 Capabilities
Frequency band: 2.4GHz
Channel width: 20/40MHz
Modulation: BPSK, QPSK, 64/256/1024 QAM
MIMO Chains: 4x4 Service
Radio 2 Capabilities
Frequency band: 5.0GHz
Channel width: 20/40/80/80+
Shipping weight2.40 kg
Package size305 × 279 × 127 mm

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Questions about this item

Will the FortiAP 431G work with my existing 802.11n and 802.11ac clients on the 2.4 GHz and 5 GHz bands?

Yes, the access point supports 802.11n and 802.11ac standards on its 2.4 GHz and 5 GHz radios, so older laptops and phones will connect normally while Wi-Fi 6E devices use the 6 GHz radio.

How can I verify the three radios are active after installation?

Log into the FortiGate or FortiCloud controller; the dashboard shows each radio — 2.4 GHz up to 1148 Mbps, 5 GHz up to 2402 Mbps, and 6 GHz up to 4804 Mbps — with client counts and channel status confirming operation.

Does the box include PoE injectors or a separate power adapter for the FAP-431G-A?

The package contains the access point with internal antennas and a standard mounting kit for ceiling, T-rail, and wall; power is delivered via the two 5 Gbps RJ45 ports using 802.3bt PoE, so no injector or adapter is included.

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