Teltonika RUT204. Device type: Cellular network router, Product color: Black, Housing material: Aluminum. Ethernet LAN interface type: Fast Ethernet, Ethernet LAN data rates: 10,100 Mbit/s, Networking standards: IEEE 802.3af, IEEE 802.11w, IEEE 802.11r, IEEE 802.11v, IEEE 802.11k, IEEE 802.3, IEEE 802.3u,.... Wi-Fi standards: 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi band: Single-band (2.4 GHz). Data network: 2G, 3G, 4G, 4G standard: LTE-TDD & LTE-FDD, SIM card type: MiniSIM. Serial interface type: RS-232, Can, Compatible memory cards: MicroSD (TransFlash), Maximum memory card size: 2 TB