Teltonika RUT976. Product type: Cellular network router. Product colour: Black. Mounting: DIN rail/Wall mount. Ethernet LAN interface type: Gigabit Ethernet. Networking protocols supported: TCP, UDP, IPv4, IPv6, ICMP, NTP, DNS, HTTP, HTTPS, SFTP, FTP, SMTP, SSL v3, TLS, ARP, VRRP, PPP... WLAN standards: 802.11b, 802.11g, Wi-Fi 4 (802.11n). Data network: 4G, 5G. 4G standards: LTE. 5G standard: Sub6 SA. Compatible memory cards: MicroSD (TransFlash). Maximum memory card size: 2 TB