This product is either discontinued or we cannot get that from suppliers.
Asus 4G-AC53U, Wireless Dual Band, 4G LTE Router USB 2.0, Network IEEE 802.11a, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.11ac, External antenna x 2, Memory 128 MB Flash, 256 MB RAM, Frequency 2.4 GHz / 5 GHz, Port RJ45 for 10/100/1000 BaseT for LAN x 2, USB 2.0 x 1, SIM Card x 1, Power AC Input 110V~240V(50~60Hz), DC Output 12 V with max. 2 A current.
ASUS 4G-AC53U features the latest LTE Category 6 mobile broadband, which combines two cellular bands to give you internet download speeds of up to 300Mbps — 2X faster than LTE Category 4, and 7X faster than 3G (HSPA+).