SLZB-U2L — your USB radios, on the network
Meet the SLZB-U2L USB-to-Ethernet Bridge: put Zigbee, Z-Wave, Thread, LoRa and 433 MHz dongles on LAN, Wi-Fi or PoE — with 2-to-1 USB aggregation, WireGuard, DDNS and OTA built in. Rolling out now.
Every smart home hits the same wall eventually: the radios want to live where the mesh needs them, and the server wants to live where you keep it. USB extension cords are not an answer.
The SLZB-U2L is. It is a modular USB-to-Ethernet bridge that makes your USB smart-home radios available across your LAN or Wi-Fi — so the Zigbee coordinator sits in the hallway ceiling where coverage is perfect, while Home Assistant stays in the rack where it belongs.
See the full picture on the SLZB-U2L product page.
What it does
- Two USB devices at once — run a Zigbee coordinator and a Z-Wave stick side by side, over the network.
- 2-to-1 USB aggregation — or expose both dongles through a single physical USB port on your host.
- LAN, Wi-Fi or PoE — RJ45 10/100, 2.4 GHz Wi-Fi, or the optional PoE module for one-cable installs.
- SLZB-OS on board — WireGuard VPN, DDNS, OTA updates, per-LED control (yes, including the RJ45 port LEDs) and a multilanguage web UI.
- ESPHome supported — USB host interface, USB-UART passthrough, Bluetooth Proxy — if you would rather run open source end to end.
What plugs into it
Tested and verified with the radios people actually use:
| Category | Devices |
|---|---|
| Zigbee / Thread | SLZB-07, SLZB-07P7, SLZB-07P10, SLZB-07MG24 |
| Z-Wave / Long Range | ZWA-2, Aeotec Z-Wave 10 |
| Everything else | any dongle on CH34X, CH340, ESP_JTAG, STM32_VCP, CDC_ACM or CP210X |
That last row is doing a lot of work — those six chipsets cover nearly every hobbyist radio ever sold.
Where it fits
- Run a Zigbee coordinator over LAN instead of a USB cable to nowhere.
- Combine Z-Wave + Zigbee sticks into one networked hub.
- Add a Thread/Matter dongle for the Google/Apple side of the house.
- Deploy LoRa or 433 MHz receivers for long-range and legacy RF sensors.
- Put a bridge in a remote site over WireGuard — and when the 4G/LTE uplink module lands, even wired internet becomes optional.
Honest hardware
The SLZB-U2L ships with a functional 3D-printed enclosure in a plain protective box — no retail-shelf packaging, and we publish the 3D enclosure model so you can print or customise your own. Less waste, same SMLIGHT engineering.
Availability
Rolling out now through our distributor network. Full specifications, wiring modes and the firmware matrix live on the product page.