Based on this product's specifications, here are some alternatives and similar models
Security UTM Appliance Securepoint RC100 G5
Summary description:
The Securepoint RC100 G5 Security UTM Appliance offers robust protection with a firewall throughput of 3.74 Gbit/s and VPN throughput of 0.69 Gbit/s. It supports TLS interception at 1800 MB/s and multiple Wi-Fi standards including 802.11a/b/g/n/ac, accommodating up to 25 users. Security algorithms include IPSec and TLS, ensuring secure connections. LED indicators provide real-time status updates for HDD, Link, Power, and Status.