Function: It acts as a modem and router, converting the 4G LTE cellular signal into a Wi-Fi signal that multiple devices can connect to.
Speed: The box indicates "LTE Cat4 300 Mbps," meaning it supports Category 4 LTE with a theoretical maximum download speed of 300 Mbps.
Features: It typically includes external antennas for improved signal reception and may have Ethernet ports for wired connections.
Usage: These devices are often used in areas where traditional wired internet is unavailable or as a portable internet solution.
SIM Card: It requires a 4G-enabled SIM card from a mobile network operator to access the internet