To contextualize the 3392, here is how it stacks against its contemporaries:
| Chipset | CPU Cores | Hardware NAT | USB Speed | OpenVPN | Verdict | | :--- | :--- | :--- | :--- | :--- | :--- | | Broadcom 3392 | Dual A9 (1.6Ghz) | Yes (Runner) | 60 MB/s | Poor | Stable & Fast routing | | Qualcomm IPQ8064 | Dual Krait (1.4Ghz) | Yes | 100 MB/s | Fair | Better for VPN | | Mediatek MT7621 | Dual MIPS (880Mhz) | Yes | 40 MB/s | Very Poor | Budget option | | Intel Puma 7 | Quad A7 (1.2Ghz) | Yes | 80 MB/s | Poor | Avoid due to lag |
As of 2025, the Broadcom 3392 is considered End-of-Life (EoL) by Broadcom. This means:
Recommendation: If you still use a Broadcom 3392 router, ensure it is behind a modern firewall (i.e., use it as an Access Point, not your main Edge Router). Do not expose the router’s admin panel to the internet.
The question on every refurbished buyer’s mind: Is a Broadcom 3392 router enough for modern fiber or cable internet?
The Short Answer: For standard households (300–600 Mbps plans), yes. For Gigabit power users, no.
Routing Performance: Because of the Runner accelerator, the 3392 can route 940 Mbps (wire to wire) with hardware NAT enabled. This means it can technically max out a Gigabit connection if you are just browsing or streaming. broadcom 3392
The Bottleneck: The chip struggles with modern workloads that require heavy CPU intervention:
The BCM3392 sits in the mid-to-high range of Broadcom’s modem portfolio. It represents the bridge between standard gigabit internet and the emerging "10G" era.
The BCM3392 fully complies with the DOCSIS 3.1 standard, a significant leap over DOCSIS 3.0. This allows for:
| Feature | Benefit | | :--- | :--- | | DOCSIS 3.1 | Enables multi-gigabit speeds over standard coax cable. | | OFDM/OFDMA | Greater efficiency and reliability in noisy cable environments. | | Backward Compat. | Works perfectly on older DOCSIS 3.0 networks. | | Integrated SoC | Lower power consumption and smaller device footprint. | | High Bandwidth | Supports the bandwidth requirements of 4K/8K streaming and VR/AR applications. |
Note: Specifications regarding exact channel counts (e.g., 32x8 vs 32x4) can vary slightly depending on the specific firmware configuration applied by the hardware manufacturer, but the BCM3392 is universally classified as a high-throughput DOCSIS 3.1 solution.
The Broadcom BCM3392 is a next-generation System-on-a-Chip (SoC) designed to push the boundaries of DOCSIS 3.1 technology. Often referred to in the industry as "DOCSIS 3.1+," "Extended DOCSIS 3.1," or "Ultra DOCSIS," this chipset provides a high-performance bridge for cable operators who want to offer multi-gigabit speeds without the immediate cost of a full DOCSIS 4.0 upgrade. Key Specifications and Technical Features To contextualize the 3392, here is how it
The BCM3392 serves as the direct successor to the widely deployed BCM3390. Its primary enhancement is its ability to handle significantly more data through advanced channel bonding:
Four OFDM Downstream Channels: Unlike the BCM3390, which supports two 192MHz-wide Orthogonal Frequency Division Multiplexing (OFDM) channels, the BCM3392 supports four.
Boosted Throughput: This increase in OFDM support allows for downstream capacities ranging from 5 Gbit/s to 8 Gbit/s, placing it well ahead of standard DOCSIS 3.1 hardware.
Software Compatibility: It typically includes full support for RDK-B (Reference Design Kit for Broadband) and packet cable voice applications. Strategic Importance for Operators
One of the most significant aspects of the BCM3392 is its commercial availability. Unlike Broadcom’s DOCSIS 4.0 chipsets, which are currently restricted by Joint Development Agreements (JDAs) to a select few major operators (such as Comcast and Charter), the BCM3392 is "unencumbered".
This means any cable provider or hardware manufacturer worldwide can source this chip to build high-speed modems. This provides a vital "stretch" or "bridge" technology, allowing operators to stay competitive against fiber-to-the-home (FTTH) services while they plan their long-term transition to newer standards. Real-World Applications and Hardware Recommendation: If you still use a Broadcom 3392
Several leading Customer Premises Equipment (CPE) manufacturers have already integrated the BCM3392 into their product lines:
Compal Broadband Networks (CBN): Announced a full portfolio of data modems and gateways powered by the BCM3392.
Vantiva (formerly Technicolor): Developed the CVA438z (a cable modem/VoIP adapter) and the CGA438A (a DOCSIS 3.1 gateway) using the chipset.
Target Devices: The chip is primarily intended for high-end residential gateways, standalone broadband modems, and sophisticated home networking setups.
The BCM3392 was sampled in 2023, passed DOCSIS certification in 2024, and is currently in full production. BCM3390 - Broadcom Inc.