Gigabit DOCSIS Cable Gateway Device

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Broadcom's BCM33843 is pin compatible and leverages the same software and system design as Broadcom's BCM3383 DOCSIS 3.0 cable gateway SoC, enabling operators to leverage existing designs to quickly deploy additional channels and more bandwidth.
The BCM33843 supports DOCSIS and digital video on any frequency eliminating limitations of "block" tuners. When combined with Broadcom's set-top box SoC with fast acquisition technology, video channels can be pre-tuned and users can enjoy the experience of Broadcom's FastRTV™ fast channel change technology.


  • Features 16x4 DOCSIS channel bonding for breakthrough Internet speeds
  • Enables fastest whole-home connected solution when paired with 5G WiFi
  • Accelerates time to market with pin compatibility to Broadcom’s DOCSIS 3.0 cable gateway SoC
  • Integrates DECT and turnkey software to deliver complete digital voice solution


  • Set-Top Boxes
  • Home Gateways 

Lifecycle Status


Specification Value
Lifecycle Active
Distrib. Inventory No
Market Segment Cable


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