📡 The Proven Zigbee Coordinator — Trusted by Millions
The world’s most popular Zigbee USB coordinator. Pre-flashed with EZNet 6.10.3, plug it into Home Assistant and start pairing Zigbee devices immediately. EFR32MG21 chip, +20dBm output, shielded aluminium housing. The reliable foundation for your Zigbee smart home.
✨ What Makes This Special
- Pre-flashed & ready — EZNet 6.10.3 coordinator firmware, works out of the box with ZHA & Z2M
- EFR32MG21 chip — the same proven chip used in Home Assistant SkyConnect. Rock-solid stability
- +20dBm output gain — high transmission power for excellent coverage and range
- Shielded aluminium housing — reduces electromagnetic interference from surrounding devices
- External SMA antenna — replaceable, adjustable for optimal signal direction
- Green Power support — works with Zigbee Green Power devices (Hue Tap, energy harvesting)
- Multi-firmware — flash Coordinator, Router, Thread RCP, or MultiPAN via Dongle Flasher
- 1 Year Warranty
🏆 Why Buy from Eiferer?
Local SA Stock
Ships from Gauteng
Best Prices
Competitive guaranteed
Expert Support
Call Jesse: 071 678 8719
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Nationwide delivery
🧠 Works With
🔗 Supported Platforms
Plug into USB, auto-discovered in ZHA. Widely tested by the global Home Assistant community.
🎯 Key Features
Plug & Play
Pre-flashed with EZNet 6.10.3 coordinator firmware. Plug into your HA server and auto-discovered in ZHA. Works instantly — no manual setup required.
+20dBm Output
High transmission power for strong Zigbee coverage. Combined with the external SMA antenna, delivers reliable connectivity throughout your home.
Shielded Housing
Aluminium enclosure blocks electromagnetic interference from USB hubs, PCs, and other electronics. Cleaner signal, fewer dropped connections.
Multi-Role Firmware
Flash as Coordinator, Router (to extend mesh range), Thread RCP (for Matter), or MultiPAN. Use the SONOFF Dongle Flasher web tool — under 1 minute.
Massive Device Support
30 direct children in coordinator mode + additional via routers. Works with SONOFF, Aqara, Philips Hue, IKEA, Tuya, and thousands more brands.
Green Power Support
Compatible with Zigbee Green Power devices like Hue Tap switches. Set channel to 11/15/20/25 for Green Power compatibility.
SONOFF Dongle Plus MG24
The official successor to the ZBDongle-E. Same Silicon Labs ecosystem, but with the next-gen EFR32MG24 chip — 300% more RAM, 200m range, and a 1m USB extension cable included.
- EFR32MG24 — 4× more RAM, 2× more flash
- 200m range — 3dBi upgradeable antenna
- 1m USB cable included — better signal out of the box
- Easy migration — same EZSP stack, no re-pairing needed
🔗 Compare SONOFF Zigbee Dongles
SONOFF Dongle Max
Flagship. MG24 + ESP32, PoE Ethernet + WiFi + USB, web console, dual 5dBi antennas.
View Product →
SONOFF Dongle Plus MG24
Direct upgrade. MG24 chip, 300% more RAM, 200m range. Same form factor, better specs.
View Product →
SONOFF Dongle Lite MG21
Same MG21 chip but 65% smaller. Includes 0.5m extension cable. Budget alternative.
View Product →
Home Assistant Mini Server
Full HA server — plug in this dongle for Zigbee. 3,000+ integrations, local processing.
View Product →
📋 Technical Specifications
| Model / MPN | ZBDongle-E |
| Product Name | SONOFF Zigbee 3.0 USB Dongle Plus-E |
| MCU | EFR32MG21 (Silicon Labs) — Arm Cortex-M33 @ 80 MHz |
| Flash / RAM | 768KB / 64KB |
| Protocol | Zigbee 3.0 (IEEE 802.15.4, 2.4 GHz) |
| Pre-Flashed Firmware | EZNet 6.10.3 (Zigbee Coordinator) |
| TX Power | +20dBm output gain |
| Antenna | 1× external SMA, replaceable |
| Interface | USB Type-A (CH9102F/CP2102N bridge) |
| USB Extension Cable | Not included (recommended 1-1.5m, sold separately) |
| Power | 5V via USB |
| Housing | Shielded aluminium |
| Max Direct Children | ~30 (expandable with routers) |
| Green Power | Supported (channels 11/15/20/25) |
| Supported Platforms | Home Assistant (ZHA), Zigbee2MQTT, openHAB, ioBroker, Domoticz, Jeedom |
| Supported OS | Windows, Linux, macOS, Raspberry Pi OS, Docker |
| Warranty | 1 Year Manufacturer Warranty |
❓ Frequently Asked Questions
Do I need to install drivers?
Should I get this or the Dongle Plus MG24?
Does it include a USB extension cable?
Can I use it as a Zigbee router?
How many devices can it support?
What’s included in the box?
📦 What’s in the Box
📝 Note: USB extension cable not included — strongly recommended for best performance.
🤝 Need Help? We’re Here for You!
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8 Wildebraam Street
Weltevreden Park, Roodepoort
Gauteng, 1709
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+20dBm
High TX Power
1 Year Warranty
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Nationwide
Millions of Users Can’t Be Wrong.
EFR32MG21 · +20dBm · Pre-Flashed · Home Assistant · Zigbee2MQTT · 100% Local
Free Delivery Over R2,500 · 1 Year Warranty · Local SA Support
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