ASUS 4G-AC86U Cat. 12 600Mbps Dual-Band AC2600 LTE Modem Router, Network Standard: IEEE 802.11a/b/g/n/ac, IPv4, IPv6, 800+1733 Mbps, LTE Cat.12 : Downlink 600 Mbps / Uplink 150 Mbps, HSPA+: Downlink 42.2 Mbps / Uplink 5.76 Mbps, 4G FDD-LTE: 1 /3 /5 /7 /8 /20 /28 /32, 4G TDD-LTE: 38 /40 /41, 3G UMTS: 1 /3 /5 /8, internal antenna x1, external antenna x3, memory: 128 mb Flash, 512 mb Ram, 2.4 GHz / 5 GHz, RJ45 for 10/100/1000 BaseT for LAN x 4, RJ45 for 10/100/1000 BaseT for WAN x 1 USB 2.0 x 1 Nano SIM slot x 1.