| 
            FortiAP U421EV | 
            FortiAP U423EV | 
          
          
          
            | Hardware Type | 
            Indoor Universal AP | 
            Indoor Universal AP | 
          
          
            | Number of Radios | 
            2 | 
            2 | 
          
          
            | Number of Antennas | 
            9 Internal (8 WiFi + 1 Bluetooth/BLE) | 
            8 RP-SMA External and 1 Bluetooth/BLE Internal  | 
          
          
            | Peak Antenna Gain | 
            4 dBi for 2.4 GHz, 
              5 dBi for 5 GHz | 
            3 dBi for 2.4 GHz, 
              3 dBi for 5 GHz | 
          
          
            | Frequency Bands (GHz) * | 
            2.400–2.4835,  5.150–5.250, 5.250–5.350, 5.470–5.725, 5.725–5.850 | 
            2.400–2.4835,  5.150–5.250, 5.250–5.350, 5.470–5.725, 5.725–5.851 | 
          
          
            | Frequency of Radio 1 | 
            2.4 GHz b/g/n 
              20/40 MHz (64 QAM) | 
            2.4 GHz b/g/n 
              20/40 MHz (64 QAM) | 
          
          
            | Frequency of Radio 2 | 
            5 GHz a/n/ac 
              20/40/80/160 MHz (256 QAM) | 
            5 GHz a/n/ac 
              20/40/80/160 MHz (256 QAM) | 
          
          
            | Maximum Data Rate | 
            Radio 1: up to 800 Mbps 
              Radio 2: up to 3.46 Gbps | 
            Radio 1: up to 800 Mbps 
              Radio 2: up to 3.46 Gbps | 
          
          
            | Radio Chains / Streams | 
            4x4 / 4 spatial streams | 
            4x4 / 4 spatial streams | 
          
          
            | Bluetooth Low Energy (BT/BLE) Radio | 
            4 dBm Transmit Power (class 2) 
              -94 dBm Receive Sensitivity | 
            4 dBm Transmit Power (class 2) 
              -94dBm Receive Sensitivity | 
          
          
            | Ethernet Ports | 
            2x GE RJ45, LLDP | 
            2x GE RJ45, LLDP | 
          
          
            | USB Port | 
            1x Type A | 
            1x Type A | 
          
          
            | Serial Console Port | 
            1 RS-232 x RJ45 | 
            1 RS-232 x RJ45 | 
          
          
            | Power over Ethernet (PoE) | 
            Dual redundant PoE power ports with support for IEEE 802.3at  (2x2 @ 17 dBm with 802.3af; USB disabled) | 
            Dual redundant PoE power ports with support for IEEE 802.3at  (2x2 @ 17 dBm with 802.3af; USB disabled)  | 
          
          
            | Simultaneous SSIDs | 
            Up to 16 (14 if background scanning enabled) | 
            16 (14 if background scanning enabled) | 
          
          
            | EAP Type(s) | 
            EAP-TLS, EAP-TTLS/MSCHAPv2, EAPv0/EAP-MSCHAPv2,  PEAPv1/EAP-GTC EAP-SIM, EAP-AKA, EAP-FAST | 
            EAP-TLS, EAP-TTLS/MSCHAPv2, EAPv0/EAP-MSCHAPv2,  PEAPv1/EAP-GTC EAP-SIM, EAP-AKA, EAP-FAST | 
          
          
            | User/Device Authentication | 
            WPA and WPA2 with 802.1x or Preshared key, WEP and Web Captive Portal, MAC blacklist & whitelist | 
            WPA and WPA2 with 802.1x or Preshared key, WEP and Web Captive Portal, MAC blacklist & whitelist | 
          
          
            | Maximum Tx Power | 
            2.4 GHz band – 22.0 dBm* 
              5.0 GHz band – 20.0 dBm* | 
            2.4 GHz band – 22.0 dBm* 
              5.0 GHz band – 20.0 dBm* | 
          
          
            | Physical Security | 
            Kensington Lock | 
            Kensington Lock | 
          
          
            | IEEE Standards | 
            802.11a, 802.11ac, 802.11b, 802.11d, 802.11e, 802.11g, 802.11h,  802.11i, 802.11j, 802.11n, 802.1x, 802.3af, 802.3at, 802.3az | 
            802.11a, 802.11ac, 802.11b, 802.11d, 802.11e, 802.11g, 802.11h,  802.11i, 802.11j, 802.11n, 802.1x, 802.3af, 802.3at, 802.3az | 
          
          
            | FortiPresence Capable | 
            Yes, when managed by controller | 
            Yes, when managed by controller | 
          
          
            | Wireless Mesh Capable | 
            Yes | 
            Yes | 
          
          
            | Modes of Operation | 
            WLC 8.2 (min.), FortiGate, (FortiCloud – Future) | 
            WLC 8.2 (min.), FortiGate, (FortiCloud – Future) | 
          
          
            | SSID Types Supported | 
            Local-Bridge, Tunnel & Mesh (when managed by controller) | 
            Local-Bridge, Tunnel & Mesh (when managed by controller) | 
          
          
            | Concurrent Clients Per Radio (Maximum / Recommended) | 
            Up to 256 / Dependent on use case | 
            Up to 256 / Dependent on use case | 
          
          
            | LED Off Mode | 
            Yes | 
            Yes | 
          
          
          
            | 802.11ac MU-MIMO Wave 2 | 
            Yes | 
            Yes | 
          
          
            | Transmit Beam Forming (TxBF) | 
            Yes | 
            Yes | 
          
          
            | Low-Density Parity Check (LDPC) Encoding | 
            Yes | 
            Yes | 
          
          
            | Maximum Likelihood Demodulation (MLD) | 
            Yes | 
            Yes | 
          
          
            | Maximum Ratio Combining (MRC) | 
            Yes | 
            Yes | 
          
          
            | A-MPDU and A-MSDU Packet Aggregation | 
            Yes | 
            Yes | 
          
          
            | MIMO Power Save | 
            Yes | 
            Yes | 
          
          
            | Short Guard Interval | 
            Yes | 
            Yes | 
          
          
            | WME Multimedia Extensions | 
            Yes (4 priority queues for voice, video, data and background traffic) | 
            Yes (4 priority queues for voice, video, data and background traffic) | 
          
          
          
            | Frequencies Scanned | 
            2.4 and 5 GHz | 
            2.4 and 5 GHz | 
          
          
            | Background Scan with Client Access on 2.4 and 5 GHz | 
            Yes | 
            Yes | 
          
          
            | Full-time Scan as Dedicated Monitor | 
            Yes | 
            Yes | 
          
          
            | Full-time Scan with Client Access | 
            No | 
            No | 
          
          
            | Packet Sniffer Mode | 
            Yes | 
            Yes | 
          
          
            | Spectrum Analyzer | 
            Yes — Dedicated chipset | 
            Yes — Dedicated chipset | 
          
          
             | 
            FortiAP U421EV | 
            FortiAP U423EV | 
          
          
          
            | Length x Width x Height (inches) | 
            8.46 x 8.46 x 2.2 | 
            8.46 x 8.46 x 2.2 | 
          
          
            | Length x Width x Height (mm) | 
            215 x 215 x 56 | 
            215 x 215 x 56 | 
          
          
            | Weight | 
            3.31 lb (1.5 kg) | 
            3.4 lb (1.53 kg) | 
          
          
            | Package (shipping) Weight | 
            5.09 lb (2.31 kg) | 
            5.36 lb (2.43 kg) | 
          
          
            | Mounting Options | 
            Ceiling, T-Rail and Wall | 
            Ceiling, T-Rail and Wall | 
          
          
            | Included Accessories | 
            Ceiling, T-Rail and wall mount kit  (AC power adapter sold separately) | 
            Ceiling, T-Rail and wall mount kit and 8 dipole antennas  (AC power adapter sold separately)  | 
          
          
          
            | Power Supply | 
            Adapter input: 100-240V, 50/60 Hz, 0.9A 
              Max output: 12V DC, 3A | 
            Adapter input: 100-240V, 50/60 Hz, 0.9A 
              Max output: 12V DC, 3A | 
          
          
            | Power Consumption (Maximum) | 
            24.58 W | 
            24.58 W | 
          
          
            | Humidity | 
            5–90% non condensing | 
            5–90% non condensing | 
          
          
            | Operating Temperature | 
            -4–122˚F (-20–50˚C) | 
            -4–122˚F (-20–50˚C) | 
          
          
            | Storage Temperature | 
            -40–158°F (-40–70°C) | 
            -40–158°F (-40–70°C) | 
          
          
            | Directives | 
            Low Voltage Directive • RoHS | 
            Low Voltage Directive • RoHS | 
          
          
            | UL2043 Plenum Material | 
            Yes | 
            Yes | 
          
          
            | Mean Time Between Failures | 
            >30 Years | 
            >30 Years | 
          
          
            | Hit-less PoE Failover | 
            Yes | 
            Yes | 
          
          
          
            | Safety - FCC | 
            FCC Part 15 Subpart B (Class B), Subpart C and Subpart E | 
            FCC Part 15 Subpart B (Class B), Subpart C and Subpart E | 
          
          
            | Safety - UL | 
            UL 609550-1, UL 2043, CSA C22.2 No. 60950-1 | 
            UL 609550-1, UL 2043, CSA C22.2 No. 60950-1 | 
          
          
            | Safety - CB | 
            IEC 60950-1 | 
            IEC 60950-1 | 
          
          
            | RF - IC | 
            RSS-210, RSS-GEN, RSS-102, ICES-003 | 
            RSS-210, RSS-GEN, RSS-102, ICES-003 | 
          
          
          
            | Limited Lifetime Warranty | 
            Yes | 
            Yes |