| Model | FortiAP-423E |
| Number of Radios | 2 |
| Number of Antennas | 8 External (RP-SMA) |
| Antenna Type and Peak Gain | Dipole: 3 dBi for 2.4 GHz,3 dBi for 5 GHz |
| Radio 1 Capabilities | 2.4 GHz b/g/n (4x4:4) 20/40 MHz (256 QAM) |
| Radio 2 Capabilities | 5 GHz a/n/ac (4x4:4) 20/40/80 MHz (256 QAM) |
| Maximum Data Rate | Radio 1: up to 800 Mbps |
| Radio 2: up to 1,733 Mbps | |
| Interfaces | 2x GE RJ45, 1x Type A USB, 1x RS-232 RJ45 Serial Port |
| Power over Ethernet (PoE) | Dual redundant PoE power ports, IEEE 802.3at or 2x2 operation with 802.3af) |
| Power Consumption (Max.) | 23 W max power draw in 802.3at mode, 12.95 W max power draw when in 802.3af power mode |
| Simultaneous SSIDs | 16 (14 client,2 monitor) |
| Maximum Tx Power | 2.4 GHz: 24 dBm / 251 mW (4 chains combined)* |
| 5 GHz: 25 dBm / 316 mW (4 chains combined)* | |
| Kensington Lock | Yes |
| SSID Types Supported | Local-Bridge, Tunnel, Mesh |
| Per Radio Client Capacity | Up to 512 |
| UL2043 Plenum Materia | Yes |
| Cellular Coexistence** | Ceiling, T-Rail and Wall |
| LED Off Mode | Yes |
| 802.11ac Wave 2 MU-MIMO | Yes |
| Transmit Beam Forming (TxBF) | Yes |
| Low-Density Parity Check (LDPC) Encoding | Yes |
| Max Likelihood Demodulation(MLD) | Yes |
| Max Ratio Combining (MRC) | Yes |
| 802.11ac 20/40/80 MHz Channel | Yes |
| A-MPDU and A-MSDU Packet Aggregation | Yes |
| MIMO Power Save | Yes |
| Short Guard Interval | Yes |
| Rogue Scan Radio Modes | Background, Full-time |
| WIPS / WIDS Radio Modes | Background, Full-time |