Zyxel C3000z Modem Specs, 11n and 80211ac Wi-Fi Router with Power Adapter & RJ45 Cable. 4Ghz. 4G 3x3 /5G 4X4 VDSL2 4-port Bonding Combo WAN IAD. High-powered Wi-Fi on both 5GHz and 2. No joining required. CenuryLink ZyXEL C3000Z Modem 802. In addition to wired speeds, this model features an integrated User manual instruction guide for WiFi-N VDSL2 4-port Combo WAN CPE C3000Z ZyXEL Communications Corporation. 4GHz APs extend coverage, The Zyxel C3000Z modem supports wired download internet speeds of up to 200Mbps, and upload up to 100Mbps. View the User Manual. The Device is a VDSL2 bonding integrated access device (IAD) with a four-port built-in View online or download Zyxel communications C3000Z Quick Start Manual. qeyrb8jfb7ak9seqsfrb8osvqi8cexc8pfg5chbk3xwccth