Fortinet FortiAP 831F

Specifications

Hardware

Hardware Type

Indoor AP

Number of Radios

3 + 1 BLE

Number of Antennas

4 2.4GHz band WiFi + 8 5GHz band WiFi + I Dual band Scanning + 1 2.4GHz band BLE

Antenna Type and Peak Gain

PIFA:

4.0 dBi for 2.4 GHz band WiFi antennas
6.0 dBi for 5.0 GHz band WiFi antennas
4.0 dBi for dual band Scanning radio antenna
4.5 dBi for 2.4 GHz band BLE antenna

Frequency Bands (GHz)

2.400–2.4835, 5.150–5.250, 5.250–5.350, 5.470–5.725, 5.725–5.850

Radio 1 Capabilities

Frequency band: 2.4GHz

Channel width: 20/40MHz

Modulation: BPSK, QPSK, QAM64

MIMO Chains: 4×4 Service

Radio 2 Capabilities

Frequency Band: 5.0 GHz
Channel width: 4×4 20/40/80MHz and 2×2 160MHz
Contiguous Modulation: BPSK, QPSK, QAM64, QAM256, and QAM1024

Mimo chains: 8×8 service in mode 1 or 4×4+4×4 service in mode 2

Radio 3 Capabilities

Frequency bands: 2.4GHz and 5.0GHz MIMO chains: 1×1 frequency scanning

Maximum Data Rate

Radio 1: up to 1147 Mbps

Radio 2: up to 4.804 Gbps in 8×8 MIMO and in 4×4 +

4×4 MIMO modes

Bluetooth Low Energy Radio

Bluetooth scanning and iBeacon advertisement @ 10 dBm max TX power

Interfaces

1x 100/1000/2500 Base-T RJ45,
1 x 10/100/1000 Base-T RJ45,
1x Type 3.0 USB, 1x RS-232 RJ45 Serial Port

Power over Ethernet (PoE)

• 2x 802.3at/bt/30W Passive PoE in (Full function)
• 1x 802.3at PoE in (USB3.1 disabled)

Simultaneous SSIDs

Up to 24

EAP Type(s)

EAP-TLS, EAP-TTLS/MSCHAPv2, PEAPv0/EAP-MSCHAPv2, PEAPv1/EAP-GTC, EAP-SIM, EAP-AKA, EAP-FAST

User/Device Authentication

WPA™, WPA2™, and WPA3™ with 802.1x or Preshared key, WEP, Web Captive Portal, MAC blacklist & whitelist

Maximum Tx Power (Conducted)

Radio 1: 2.4 GHz 27 dBm / 500 mW (4 chains combined)*

Radio 2: 5 GHz 25.5 dBm / 354 mW (4 chains combined)*

Radio 3: NA

Kensington Lock

Yes

IEEE Standards

802.11a, 802.11b, 802.11d, 802.11e, 802.11g, 802.11h, 802.11i,802.11j, 802.11k, 802.11n, 802.11r, 802.11v, 802.11ac, 802.11ax (Wi-Fi 6), 802.1Q, 802.1X, 802.3ad, 802.3af, 802.3at, 802.3az, 802.3bz

SSID Types Supported

Local-Bridge, Tunnel, and Mesh

Per Radio Client Capacity

Up to 512 clients per radio (Radio1 and Radio2)

Cellular Co-existence

Yes

LED Off Mode

Yes

Advanced 802.11 Features

OFDMA

Yes (UL and DL)

Spatial Reuse (BSS Coloring)

Yes

UL MU-MIMO 802.11ax mode

Yes

DL-MU-MIMO

Yes

Enhanced Target Wake Time (TWT)

Yes

ZeroWait DFS/Agile DFS

No

Wireless Monitoring Capabilities

Rogue Scan radio modes

Dedicated

WIPS / WIDS radio modes

Dedicated

Packet Sniffer Mode

Yes

Spectrum Analyzer

Yes

Dimensions

Length x Width x Height

9.05 x 89.05 x 2.15 inches (230 x 230 x 55 mm)

Weight

2.25 lbs (1.02 kg)

Package (shipping) Weight

4.2 lbs (1.9 kg)

Accessories

Mounting Options

Ceiling, T-Rail, and Wall

Included Accessories

Mount kit for Ceiling, T-Rail, and Wall

Environment

Power Supply

PoE type 802.3af/at/bt
Supports dual redundant 802.3af/at
DC Power: 12V DC / 3 Amps

Power Consumption (Maximum)

33W

PSE functionality

No

POE Mode Single 5G

DC/2at –> Full Mode ; Radios will be in (8×8|4×4) & USB Enabled 1at/2af –>
High Mode ; Radios will be in (8×8|4×4) & USB Disabled 1af –>
Low Mode ; Radios will be [2×2|2×2], Tx Power 10 dBm & USB Disabled

POE Mode Dual 5G

DC/2at –> Full Mode ; Radios will be in [4×4|4×4|4×4] & USB Enabled
1at/2af –> High Mode ; Radios will be in [4×4|4×4|4×4] & USB Disabled
1af –> Low Mode ; Radios will be [2×2|2×2|2×2], Tx Power 10 dBm & USB Disabled

Humidity

5% – 90% non condensing

Operating / Storage Temperature

32–122°F (0–50°C) / -22–-158°F (-30–70°C)

Directives

Low Voltage Directive • RoHS

UL2043 Plenum Material

No

Mean Time Between Failures

> 10 Years

Surge Protection Built In

Yes

Certifications

WiFi Alliance Certified

Yes

DFS

CE

Warranty

Limited Lifetime Warranty

Yes