A wireless router combines a wireless access point and broadband router. It allows sharing of an Internet connection wirelessly in a home network and supports functions like DHCP, VPN, firewalls, and WEP encryption. Wireless routers can connect to wired broadband sources like ADSL or cable modems and provide automatic dialing without occupying a computer. They also generally have good security protection. 4G routers embed a wireless 4G module to allow Internet access through a carrier's 4G network using a SIM card, and provide WiFi sharing of the 4G connection. Wireless routers provide benefits like always-on connectivity, multi-functional services through a USB port, and improved wireless signals through antennas. Security features include setting the SSID, channel