C4000BZ WiFi 6 xDSL Router

Product Overview: Leading the next generation of WiFi, the C4000BZ WiFi 6 xDSL Router is powered by the industry's latest WiFi Certified 6 802.11 standard that is up to 3x faster than the previous AC generation of WiFi, with additional data capacities in a dense environment to handle current and future home networks. Lightning-fast WiFi speeds powers ultra-smooth 4K streaming, online gaming, smart home automation, and more.

Image Description: A sleek, white, conical-shaped WiFi router with a grey base. It features a single illuminated green button on the front and the CenturyLink logo subtly embossed on the base.

At a Glance

Get ultra-fast wireless speeds for better 4K streaming, gaming or video conferencing experience.

Up to 3 Gbps Speed - 600+2400 Mbps with 2-stream connectivity⁺
Networking Optimized Dual-Core Processor: Powerful processor boosts wireless, wired and WAN-to-LAN performance
160MHz Channel Support^*: Doubles the speeds as offered by 80MHz channels to provide gigabit speeds for compatible mobile devices and laptops
1024-QAM: 38% increase in data rate compared to 256-QAM 802.11ac
Supports all ADSL or VDSL profiles up to 17a
One Wi-Fi SSID for the entire home

Key Features

3X Better Performance than an AC Router: 2-stream Wi-Fi with up to 600+2400 Mbps for ultra-fast wireless speeds^*
More Wi-Fi for More Devices: OFDMA allows efficient data transmission on up to eight devices at the same time. Uplink OFDMA improves scheduling for multiple clients with varying bandwidth requirements^§
Powerful Processor: 800 MHz dual-core InterAptiv processor provides a next generation packet offload engine that ensures smooth 4K UHD streaming and gaming
Dynamic QoS: Prioritizes internet traffic by application and device for smoother streaming
Five Gigabit Ports: (1 WAN + 4 LAN) Connect more wired devices for faster file transfer and uninterrupted connection
Smart Connect: Intelligently selects the fastest Wi-Fi band for every device connection
Target Wake Time (TWT): Significantly improves battery life in Wi-Fi devices such as cell phones and IoT devices
Two DSL Ports for WAN connectivity:
- Supporting 8a, 12a, and 17a - ADSL and VDSL (including vectoring) profile
- Automatic speed fallback VDSL2 & ADSL
Wi-Fi 6 supports all current Wi-Fi devices: Backward compatible with 802.11a/b/g/n/ac client devices

Capacity

Get better performance for all your smart home devices even when your family is busy streaming videos or uploading media files during the internet rush hour
More WiFi for More Devices supports a total of 256 clients (128 per band)

Wi-Fi Range

Faster and expanded coverage throughout your home and for all your devices
Ultimate Range Hi-power amplifiers increase WiFi coverage throughout large homes
High Performance Antennas: Four internal antennas provide reliable Wi-Fi coverage over a large area. Antennas are optimized for best WiFi performance

Reliable Connections

With advanced features and best-in-class technology, you'll reduce interference and enjoy more reliable WiFi connectivity

Beamforming: Improves range and performance for both 2.4 and 5GHz devices
Simultaneous Dual Band WiFi: Supports both Wi-Fi bands simultaneously to increase available bandwidth and provides a reliable WiFi network for smooth online gaming without any network congestion
Pre-Optimized Antennas: The C4000BG antennas come pre-optimized for best Wi-Fi performance
QoS: Prioritizes internet traffic by application and device for smoother streaming

Reduced Latency

BSS Coloring: The access point and clients can ignore neighboring network channel contention, providing system capacity gain and a significant reduction in latency
OFDMA: Reduces contention and preamble overhead by optimally designating portions of a single WiFi frame to multiple clients, which can reduce latency

Security

Standards-based WiFi WPA3 security
Automatic firmware update delivers latest security patches to the router
Guest network access: separate and secure

Technical Specifications

WiFi 6 Dual Band WiFi

2.4 GHz: 2x2 (Tx/Rx) 1024 QAM 40MHz, up to 600 Mbps
5 GHz: 2x2 (Tx/Rx) 1024 QAM 160MHz, up to 2.4Gbps
Backwards compatible with 802.11a/b/g/n/ac WiFi
OFDMA Uplink and Downlink^§
1024-QAM
160MHz channel support^*

Processor & Other

Dual-Core Intel GRX350 SoC @1.6Ghz Processor
Programmable BSS Coloring
Supports UNII-1, UNII-2 & UNII-2x (DFS), UNII-3 channels
High Power WiFi amplifiers
Five 10/100/1000 Mbps gigabit Ethernet ports - one WAN/LAN and four LAN
Two DSL Ports
IPv6 Support (Internet Protocol Version 6)
Multi-color LED status ring
WPS button: Allows easy connection of devices to the network
WiFi Certified WPA3: Enables more robust security for networks
Reset button

Model & Physical Specifications

C4000BZ - WiFi 6 Router, Bonded Line DSL
Item Weight - 1.59 lbs (723g)
Item Dimensions - 8.30 (H), 5.64 (Bottom), 4.68 (Top) inch
Package & Item Weight - 3.5 lbs (1587g)
Package Dimensions – 10.3 (L) x 7.2 (W) x 6.5 (H) inch

⁺ Maximum wireless signal rate derived from IEEE 802.11 specifications. Actual data throughput and wireless coverage will vary and may be lowered by network and environmental conditions, including network traffic volume and building construction.

^* Requires client device that supports 160MHz bandwidth on WiFi

^§ Requires compatible WiFi 6 clients with DL-OFDMA and UL-OFDMA support

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