Zyxel USG FLEX 100AX. Firewall throughput: 0.9 Gbit/s, VPN throughput: 0.27 Gbit/s, IPS/IDS throughput: 540 Mbit/s. Heat dissipation: 55.37 BTU/h, Antenna design: External, Antenna gain level (max): 3 dBi. Wi-Fi standards: 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi band: Dual-band (2.4 GHz / 5 GHz). VPN support: IKEv2, IPSec, SSL, L2TP/IPSec. Connectivity technology: Wireless, WAN connection: Ethernet (RJ-45)