High-Performance Multimode Tri-Band Wi-Fi Router

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The BCM63178 is a single-chip 35b DSL smart home gateway device with an integrated 802.11ax/ac/n radio, a PCIe bus for additional WLAN radio support, USB support, a PCM bus for VoIP and a selection of Gigabit Ethernet LAN and RGMII ports.

The BCM63178 supports offloaded small packet WAN<->LAN routing concurrent with multi-port Ethernet switching, L3 packet processing, dual-band concurrent IEEE 802.11ax/ac/n wireless networking (via integrated radio and PCIe), USB2.0 host/device and muti-line Voice-over-IP (VoIP) processing.

Built around a 1.5GHz multi-core CPU (8.5k DMIPS), the BCM63178 is architected to support the high-speed demands of dual-band 802.11ax wireless home networking with Broadcom’s BCM43684 WLAN chipset, multi-Gigabit Ethernet data rates, and VoIP. An advanced, secure, container-based software architecture ensures an extensible solution with extended product deployment lifecycles.


  • Integrated single line ADSL to 35b VDSL transceiver and AFE
  • Seamless fallback from 35b VDSL to ADSL
  • Packet offload architecture to offload packet processing and WLAN data from application CPU
  • USB 2 host/device
  • Multi-line VoIP
  • Dual-band WLAN support


  • Smart Home DSL Gateways/IADs 

Lifecycle Status


Specification Value
Lifecycle Active
Distrib. Inventory No
Market Segment Central Office/CO