The LT400 + XO-PR191BK of Cudy is a mobile router, a device that connects other devices (e.g. computer, mobile, television) wirelessly, and shares internet access. It receives internet access through the integrated modem and uses the mobile network by installing a SIM card. The SIM card needs to have an active data connection.

It connects to the 4G network, which offers significantly higher speeds than 3G. To operate at this speed, the device needs to have corresponding coverage from the mobile network in the area we are in.
It is Wi-Fi 4 generation, an older generation recommended for use with few devices and for applications that do not require high speeds. It emits a signal at a frequency, 2.4Ghz, which offers lower speeds than those that emit 2 (dual) or 3 (tri-band) frequencies. The 2.4Ghz frequency is the most widespread and has a long range.

The device has the ability to configure a VPN (Virtual Private Network) so that traffic from all devices on our network passes through it. The VPN acts as an intermediary between us and the rest of the internet, giving us the ability to appear geographically in another country and the pages we visit see the VPN address as the visitor's address instead of our own. This provides us with anonymity and access to content with geographic restrictions. VPN services are usually paid with a subscription.

Additionally, the NAT firewall hides the addresses of all devices on your local network behind a single address, increasing security. It offers WPA2 security, a protocol that replaced WPA in 2004 and uses AES (Advanced Encryption Standard) technology approved by the US government for classified documents. It is considered secure for home use.

• Maximum Wireless Speed: 300Mbps
• Maximum LAN Speed: 100Mbps
• Ethernet LAN connections: 4