Best Zigbee Smart Plugs That Double as Routers (2026)

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If every router-capable Zigbee smart plug you buy also strengthens your mesh, you can wire up an entire floor and never pay for a dedicated repeater. The SONOFF S31 Lite ZB is the go-to budget pick for US-based Home Assistant users who just need reliable routing, while the ThirdReality Smart Plug Gen2 adds energy monitoring at the same price tier. EU and UK users should look at the frient Smart Plug Mini 2, the only option here that ships in a 230 V European form factor with class-2 metering precision.

Quick-Pick Table

Why Router-Capable Plugs Matter

Zigbee is a mesh protocol: every mains-powered device that supports routing will repeat signals from battery-powered sensors and end devices, extending usable range and fixing dead spots. A smart plug that doubles as a router costs the same as a dumb plug extender and does two jobs at once. If your door sensors drop off overnight, or your mmWave sensors at the far end of the house show intermittent unavailability, adding a couple of Zigbee router plugs in between the coordinator and those devices almost always solves it. See our Best Zigbee Motion Sensors for Home Assistant 2026 for guidance on which end-devices benefit most from a denser mesh.

Every plug on this list runs over Zigbee 3.0, pairs locally via ZHA or Zigbee2MQTT with no cloud account required, and is confirmed to act as a Zigbee router node. None of them work standalone — you need a coordinator. If you haven’t sorted that yet, start with our Best Budget Zigbee Hubs guide.

The Best Zigbee Smart Plugs That Route Traffic

1. SONOFF S31 Lite ZB — Best Budget US Router Plug

The S31 Lite ZB is a Zigbee 3.0 smart plug rated for 15 A on a 120 V AC circuit, ETL listed, and explicitly confirmed as a Zigbee repeater in Sonoff’s own product documentation. The form factor is compact enough that it doesn’t block the adjacent socket on a standard US duplex outlet. It pairs with ZHA and Zigbee2MQTT without touching the eWeLink cloud — you can bin the app entirely once it’s joined to your coordinator.

Strengths:

• Bulletproof pairing. Pairs in seconds with both ZHA and Zigbee2MQTT. Community reports across the Home Assistant forums consistently describe it as one of the most reliable Zigbee plug pairings available.
• Genuine mesh routing. Every unit added to the network actively routes traffic, making it a cost-efficient way to add nodes in a large home without buying dedicated repeaters.
• Compact body. The slim 76 × 40 × 33 mm footprint leaves the second outlet free on a standard wall plate, unlike chunkier US plugs that consume both sockets.

Drawbacks:

• Zero energy monitoring. This is a hard skip if power usage tracking matters to you. There is no wattage, voltage, or kWh reporting whatsoever — it’s pure on/off switching. The SONOFF S31 (non-Lite) adds monitoring but is the older, larger sibling. See our full Sonoff Zigbee Smart Plug review for more on that model’s trade-offs.
• US-only plug format. The S31 Lite ZB ships as a Type B (US/Canada) plug running at 120 V. It is not suitable for UK or EU mains voltage and is not stocked on Amazon UK or Amazon IE.

Check price: Amazon US (US-only plug format — not suitable for UK or EU mains voltage)

2. SONOFF S40 Lite ZB — Best for Quick ZHA/Z2M Pairing

The S40 Lite ZB is Sonoff’s more recent US Zigbee plug. It carries the same 15 A / 1800 W rating and the same Zigbee 3.0 router function as the S31 Lite, but in a slightly updated form factor. It pairs with ZHA and Zigbee2MQTT, and Sonoff explicitly markets it as a Zigbee router that extends network range. ETL certified. Like the S31 Lite, it runs at 120 V and is a US/Canada product only.

Strengths:

• Fast, clean pairing with Home Assistant. Users running Zigbee2MQTT and ZHA consistently report pairing completing in under a minute with no workarounds, and reliable long-term performance even when the plug is located in an outbuilding far from the coordinator.
• Confirmed Zigbee router role. Sonoff’s own documentation confirms the S40 Lite ZB acts as a Zigbee router node, extending coverage to sensors that would otherwise sit at the edge of reliable range.
• Physical on/off button. Unlike some cheaper Tuya plugs, the S40 Lite has a button for manual switching — useful if automations break or during commissioning.

Drawbacks:

• No energy monitoring. Just like the S31 Lite, there is no wattage or kWh reporting. If your Home Assistant energy dashboard matters more than mesh coverage, look at the ThirdReality Gen2 below instead.
• Some SmartThings friction. A portion of reviewers reported pairing difficulties or intermittent behaviour on SmartThings hubs specifically. ZHA and Zigbee2MQTT users report no such issues.

Check price: Amazon US (US-only plug format — not suitable for UK or EU mains voltage)

3. ThirdReality Smart Plug Gen2 — Best Budget US Plug with Energy Monitoring

The ThirdReality Smart Plug Gen2 (model 3RSP02028BZ) is a Zigbee 3.0 smart plug rated for 15 A on a 100–120 V AC circuit, ETL certified for North America. It does everything the Sonoff budget options do — routes Zigbee traffic, pairs locally with ZHA and Zigbee2MQTT — and adds real-time energy monitoring on top. The Gen2 exposes voltage, current, wattage, and cumulative kWh to Home Assistant, feeding the energy dashboard without any cloud dependency. The low-profile body leaves the adjacent socket free.

Strengths:

• Full energy monitoring in Home Assistant. Both ZHA and Zigbee2MQTT expose wattage and kWh entities from this plug. Power-state restore after an outage — configuring whether the plug returns to on or off — is also supported directly in both integrations, which is critical for anyone automating heaters or network gear.
• Acts as a Zigbee repeater. Every unit strengthens the mesh automatically. The low-profile design means you can stack two of them in a single standard dual-outlet wall plate without blocking each other.
• Genuinely cheap in multipacks. Buying in a four-pack drops the per-unit cost significantly, making this the most cost-efficient way to seed a new Zigbee mesh with both routing nodes and metering-capable outlets.

Drawbacks:

• No physical button on some revisions. Some Gen2 hardware revisions ship without a physical toggle button, which is annoying during initial pairing or when you need manual control in an automation failure scenario. Check the listing carefully before buying.
• Energy reporting interval may need tuning. Out of the box, the reporting interval in Zigbee2MQTT can be coarse — up to 30–60 seconds between updates — which may require manual configuration if you want near-real-time power readings in automations.

Check price: Amazon US (US-only plug format — not suitable for UK or EU mains voltage)

4. frient Smart Plug Mini 2 — Best EU/UK Router Plug with Precision Metering

The frient Smart Plug Mini 2 is a Danish-made Zigbee 3.0 plug built specifically for 230 V European and British mains. It ships in Schuko (Type F), French (Type E), and UK (Type G) variants, each certified with CE and UKCA marks. At just 41 mm in diameter (the Schuko version), it bills itself as the world’s smallest smart plug — and two Schuko units fit side by side in a standard dual Schuko wall outlet. The Type G UK version measures 48 × 48 × 32 mm. It is a confirmed Zigbee router, OTA-upgradeable, and carries a Class 2 power meter with ±1% accuracy — meaningfully more precise than most cheap plugs.

Strengths:

• Class 2 precision metering. The ±1% accuracy power meter is on par with a calibrated household energy meter. If you’re monitoring appliance consumption for billing-accurate tracking, this is the only plug on this list that delivers it. The Schuko variant is rated 10 A continuous / 16 A peak with overload and over-temperature protection built in.
• Genuinely tiny. At 41 mm diameter, the Schuko version is small enough to leave the adjacent socket free in almost any EU double outlet. The UK Type G version is equally compact at 48 × 48 mm, avoiding the socket-hog problem common with bulkier smart plugs.
• OTA firmware updates. The Mini 2 supports over-the-air firmware upgrades, extending product longevity without requiring physical access or power interruption to the connected device.

Drawbacks:

• Premium pricing for the category. The frient Mini 2 sits at a meaningfully higher price than the US Sonoff and ThirdReality options. For users seeding a large mesh with a dozen nodes, the per-unit cost adds up fast.
• Not sold on Amazon marketplaces. The frient Smart Plug Mini 2 is not reliably stocked on Amazon UK, Amazon IE, or Amazon US. Purchase it through specialist Zigbee retailers such as Vesternet, Carefree Smart Homes (UK), or direct from frient.com — all of whom carry the UK Type G and Schuko variants.

(Not sold on Amazon UK, Amazon US, or Amazon IE — available from specialist Zigbee retailers including Vesternet and frient.com directly.)

5. IKEA TRETAKT — Best If You Already Buy from IKEA

The IKEA TRETAKT is IKEA’s current-generation Zigbee smart plug, replacing the older TRÅDFRI control outlet (E1603). It runs on Zigbee 3.0 and is available in both a US variant (Type B, 120 V, 1800 W max) and EU/UK variants (Type F Schuko and Type G, 230 V, 3680 W max). The plug body is slim enough not to cover the second receptacle on a standard wall plate. Buyers running Home Assistant confirm it works on third-party Zigbee networks as a mesh device, and it is listed in the Zigbee2MQTT device database with full on/off and power-on behaviour support. The TRETAKT is stocked on Amazon UK, Amazon US, and Amazon IE via third-party sellers, and is also sold directly in IKEA stores and on ikea.com.

Strengths:

• Cheapest branded option. IKEA’s retail pricing makes this one of the lowest-cost ways to add a Zigbee routing node anywhere IKEA stores are accessible. It’s particularly attractive when bought alongside other IKEA smart home gear.
• Confirmed Zigbee mesh participation. Buyers using Home Assistant report the TRETAKT connects reliably and participates as a Zigbee mesh device, strengthening coverage for nearby sensors and end devices.

Drawbacks:

• No energy monitoring. There is no power, voltage, or kWh reporting. It’s pure on/off switching. This is consistent across IKEA’s plug lineup.
• Uneven ZHA/Zigbee2MQTT reliability. The TRÅDFRI plug line has a long community history of pairing difficulties and intermittent behaviour with third-party coordinators. The TRETAKT is improved, but if you are running a pure ZHA or Zigbee2MQTT setup with no IKEA hub in the loop, verify current Zigbee2MQTT device database support before committing to a multipack purchase.

Check price: Amazon UK | Amazon US | Amazon IE

Zigbee Router Plugs vs Dedicated Repeaters

A dedicated Zigbee repeater — like the IKEA TRÅDFRI Signal Repeater or the SMLIGHT SLZB-06 — gives you a routing node without consuming a switched outlet. That makes sense in a hallway or a location where you don’t need to switch anything. But in every room where you already want a smart outlet, a router-capable plug is the obvious choice: one product, two functions, one socket used. If you’re also weighing whether to expand via Thread instead of adding more Zigbee nodes, our Thread Border Router vs Zigbee comparison covers the trade-offs in depth.

How We Chose

Every product on this list was selected against a fixed set of criteria: confirmed Zigbee 3.0 router capability (not just end-device status), verified pairing with ZHA and/or Zigbee2MQTT, no mandatory cloud dependency for local operation, and confirmed availability in the regions for which links are provided. Specs were pulled from manufacturer datasheets, official Amazon listings, and the Zigbee device compatibility database at zigbee.blakadder.com. Real-world drawbacks come from aggregated community feedback in the Home Assistant forums and verified retail review sections — no spec was invented or inferred.

FAQ

Do all Zigbee smart plugs act as routers?

No. Mains-powered Zigbee devices can act as routers, but not all manufacturers enable it. Battery-powered devices are always end-devices and never route. Some cheap Tuya-based plugs are Zigbee end-devices despite being mains-powered. Always verify router capability in the manufacturer spec sheet or the Zigbee2MQTT device database before buying in bulk.

How many Zigbee router plugs do I need?

A rough rule of thumb used across the Home Assistant community is one router node per room, or roughly one every 10–15 metres. In practice, a two-bedroom flat usually needs two or three plugs beyond the coordinator; a large multi-floor house may need six or more. The Zigbee map view in ZHA or the network map in Zigbee2MQTT will show you where your mesh is thin and which end-devices are connecting directly to the coordinator over a long, fragile link.

Can I mix Zigbee router plugs from different brands on the same network?

Yes. Zigbee 3.0 is an open, interoperable standard, and a coordinator running ZHA or Zigbee2MQTT will happily mix Sonoff, ThirdReality, frient, and IKEA devices on the same mesh. Brand mixing is common and well-supported. The only scenario where it causes problems is if a specific device has a firmware bug that interferes with routing — this is rare with established brands, but always worth checking the Zigbee2MQTT device page and recent community threads for any known issues before deploying a large batch.