Broadcom BCM4398 Wi-Fi 7 Enterprise Access Point Chipset

The Broadcom BCM4398 is a purpose-built Wi-Fi 7 (IEEE 802.11be) System-on-Chip designed for enterprise-grade access point vendors seeking to deploy next-generation wireless infrastructure. Launched in Q2 2025, the BCM4398 integrates a tri-band radio architecture covering 2.4 GHz, 5 GHz, and 6 GHz simultaneously, enabling access point manufacturers to deliver true Multi-Link Operation (MLO) — a hallmark feature of Wi-Fi 7 that allows client devices to transmit and receive concurrently across multiple bands and channels, dramatically reducing latency and increasing aggregate throughput. The chipset supports 320 MHz channel bandwidth in the 6 GHz band, 4096-QAM modulation, and up to 16 spatial streams, positioning enterprise APs built on BCM4398 to deliver theoretical aggregate data rates exceeding 10 Gbps per radio platform.

The BCM4398 integrates advanced Multi-Resource Unit (MRU) puncturing capabilities that allow the chipset to dynamically avoid occupied sub-channels within a 320 MHz block, ensuring spectrum efficiency in environments where the 6 GHz band is shared with incumbents. This is especially critical in enterprise and public-venue deployments where coexistence with satellite and fixed wireless services operating in the 6 GHz spectrum must be managed without sacrificing throughput. On-chip Quality of Service (QoS) enhancements, expanded HARQ retransmission support, and deterministic latency improvements inherited from 802.11be make the BCM4398 a strong candidate for time-sensitive applications including unified communications, real-time collaboration platforms, and industrial IoT at scale.

Broadcom's BCM4398 is architected with enterprise operational requirements in mind, supporting high-density OFDMA scheduling across both uplink and downlink paths with expanded RU allocation granularity versus its Wi-Fi 6E predecessors. The chipset integrates a high-performance application processor subsystem alongside dedicated security acceleration for WPA3-Enterprise (192-bit mode) and OWE, as well as hardware offload engines for packet forwarding that reduce host CPU utilization in AP designs. Its support for 802.1X port-based authentication, PMF (Protected Management Frames), and seamless BSS Transition (802.11v) makes the BCM4398 well-suited for large-scale managed WLAN deployments governed by centralized controllers or cloud-based network management platforms.

Ideal for

• High-density enterprise campuses requiring simultaneous tri-band Wi-Fi 7 coverage with MLO to support thousands of concurrent client associations across office floors and conference centers
• Healthcare facilities deploying latency-sensitive clinical applications — including wireless EHR terminals, telemetry devices, and real-time video collaboration — that benefit from deterministic sub-millisecond latency via MLO and QoS scheduling
• Higher education and stadium venues leveraging 320 MHz channels in the 6 GHz band to maximize per-AP capacity during peak concurrent usage events with hundreds of users per access point
• Industrial and warehouse environments integrating Wi-Fi 7 APs for real-time AGV (Autonomous Guided Vehicle) coordination, IoT sensor aggregation, and video surveillance over a unified managed wireless fabric
• Hospitality and convention center deployments utilizing the BCM4398's spectrum puncturing and OFDMA efficiency to deliver reliable high-throughput connectivity across mixed client ecosystems spanning legacy Wi-Fi 5/6 and new Wi-Fi 7 devices
• Enterprise secure-access deployments enforcing WPA3-Enterprise 192-bit Suite-B cryptography and PMF for government, financial services, and regulated-industry wireless LAN segments requiring FIPS-aligned security posture

Technical specifications

Available from Omnixon Global. Submit an RFQ and our team will confirm configuration and availability for your order.