Always Powered

Only mains or USB powered devices route Zigbee traffic. Plugs, night lights, in-wall relays and bulbs on always-on circuits can repeat; battery sensors and remotes cannot.

Dedicated or Dual-Purpose

Dedicated repeaters are simple and leave nothing to accidentally switch off. Dual-purpose routers like smart plugs give you extra function for similar money.

Router Quality

Not all routers handle many child devices well. Well-reviewed brands with recent Zigbee 3.0 firmware, such as THIRDREALITY, SONOFF, Aeotec and Philips Hue, are the safe bets.

Placement

Put routers halfway between the hub and the problem device, with a clear path. Avoid outlets behind metal appliances, inside cabinets or next to Wi-Fi routers.

Hub Ecosystem

Hue plugs repeat best within a Hue Bridge network. For mixed Echo, SmartThings or Home Assistant setups, standard Zigbee 3.0 routers from THIRDREALITY, SONOFF and Aeotec are more flexible.

This is the cleverest repeater on the list. THIRDREALITY’s Multi-Function Night Light plugs into an outlet and combines a Zigbee repeater, a motion sensor, an illumination sensor and an RGB night light with 1 to 100% adjustable brightness. Put one in a hallway and it strengthens your mesh, lights the way at night and gives your hub a free motion and light-level sensor. It averages about 4.3 stars from 250+ ratings, and 2-pack and 4-pack versions are available.

The Gen3 plug is THIRDREALITY’s latest, marketed with an upgraded Zigbee repeater for more reliable routing, power monitoring calibrated to about ±1% and always-on OTA firmware updates on compatible platforms including Home Assistant. It averages about 4.6 stars from 130+ ratings. Pick it over the original 4-pack if you want the newest hardware and tighter energy data.

If your Zigbee network is a Philips Hue Bridge, the Hue Smart Plug is the natural repeater. It turns any lamp into a smart light and, being always powered, routes signals for Hue bulbs, switches and sensors in distant rooms. With more than 5,300 ratings averaging about 4.7 stars, it’s the most-reviewed plug here. It also works with other Zigbee hubs, but Hue’s own ecosystem is where it shines.

SONOFF’s S40 Lite is a simple, ETL-certified 15 A Zigbee plug that doubles as a router. It skips energy monitoring to keep the price down, making it a cheap way to fill a gap in your mesh. It averages around 4.4 stars from 130+ ratings and works with SONOFF bridges, Echo Zigbee hubs, SmartThings and Home Assistant.

The Dual Plug gives you two independently controlled outlets from one wall socket while acting as a single Zigbee router. It’s ideal behind a TV stand or desk where you want to automate two devices and strengthen the mesh at the same time. It averages about 4.4 stars from 90 ratings.

Dutch brand Innr makes Zigbee plugs that pair with the Philips Hue Bridge as well as other Zigbee hubs, and this 4-pack adds energy monitoring. It’s a cheaper way to add several routers to a Hue network than buying Hue plugs. It averages about 4.2 stars from 80+ ratings.

Routers don’t have to take up outlets. The ZBMINIR2 hides behind a light switch, needs a neutral wire, and acts as a permanent Zigbee router in rooms where you want smart lighting anyway. Because it’s wired in, nobody can unplug it. It has nearly 1,500 ratings averaging about 4.6 stars. Installation involves mains wiring, so use an electrician if unsure.

SONOFF’s newer S61SZBTPB adds real-time energy monitoring, schedules and countdowns to its Zigbee plug, with support for Alexa and Home Assistant. Like any mains-powered Zigbee plug, it routes for nearby devices. It’s a new listing with only 16 ratings averaging about 4.5 stars, so it has less history than the S40 Lite.

This generic USB Zigbee repeater plugs into any USB charger or power bank and uses an external 5 dBi omni-directional antenna. The seller claims coverage of more than 60 m and lists support for Tuya Zigbee gateways and Home Assistant / Zigbee2MQTT. USB power makes it handy for a shed, attic or car-port charger where there’s no spare outlet. It’s a brand-new listing with a single rating, so treat it as an experiment rather than a core router.

Want a set-and-forget repeater?

The Aeotec Range Extender Zi.

Building a mesh from scratch?

A THIRDREALITY 4-pack (original or Gen3) spread across the house.

Hallway or stairway?

The THIRDREALITY Night Light adds motion and a night light.

Using a Hue Bridge?

Hue Smart Plugs, or Innr plugs for better value.

No spare outlets?

A SONOFF ZBMINIR2 behind a light switch.

Tight budget?

The SONOFF S40 Lite fills a gap cheaply.

Do I need a dedicated Zigbee repeater?

Usually not. Any mains-powered Zigbee device, such as a smart plug, in-wall switch or always-on bulb, already acts as a router. A dedicated repeater like the Aeotec Range Extender Zi is worth it when you want a router that nobody can switch off, or in a spot where you don’t need a smart plug.

How many Zigbee repeaters do I need?

A good rule of thumb is a router in every second or third room, plus one near any distant sensor such as a garage, basement or outdoor device. Most homes do well with three to six routers. More is generally fine, as long as they’re reliable models.

Can smart bulbs be Zigbee repeaters?

Yes, but only while they have power. If someone turns off the wall switch, every device routing through those bulbs loses its path. Use plugs or in-wall relays as your main routers, and pair smart bulbs with wireless switches so they stay powered. See our best Zigbee smart bulbs guide.

Why aren’t my sensors using the new repeater?

Battery sensors often stick with their original parent device until it fails. After adding routers, give the network a day to settle, or re-pair problem sensors in their final location so they choose the closest router. In Home Assistant, the Zigbee network map shows which router each device uses.

Will a Wi-Fi extender help my Zigbee network?

No. Wi-Fi extenders and generic 2.4 GHz amplifiers don’t join the Zigbee mesh. Only Zigbee routers relay Zigbee traffic. In fact, a busy Wi-Fi network on an overlapping channel can interfere with Zigbee, so choose non-overlapping channels where possible.