This product is a 4G CPE designed for outdoor installation. It is equipped with dual network ports and can provide wired network for other devices. It adopts a POE power supply design and offers flexible networking methods. By inserting a SIM card, you can easily provide network for the device. It can be used outdoors and has network availability anytime with the insertion of the card. It has functions of timed restart and firewall protection. It has built-in hardware watchdog to effectively prevent system crashes during operation. It has built-in dual firmware, which can automatically restore the system in case of software upgrade failure or startup abnormalities caused by software.