BCM3390 DOCSIS® 3.1 modem/gateway SoC

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DOCSIS® 3.1 System-on-a-chip (SoC) enables multi-gigabit per second capable cable modem, gateway, and Set-top Box designs.

Broadcom’s BCM3390 DOCSIS® 3.1 modem/gateway SoC delivers IP/video content with a nearly 50 percent increased efficiency on existing spectrum allocations.  With multiple gateway interfaces, the BCM3390 enables the distribution of multi-gigabit per second content throughout the home. 


  • Full compliance with full DOCSIS® 3.1 specification, including:
    • Two 192 MHz OFDM downstream channels
    • Thirty two single-carrier QAM downstream channels
    • Two 96 MHz OFDM-A upstream channels
    • Eight single-carrier QAM upstream channels
  • Includes full software support for packet cable voice and e-router applications, including RDK-B software broadband modem solutions


  • Broadband Modems
  • Home Gateways
  • Set-top Boxes

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