how many connections can this handle?

The ZBDongle-E can directly connect up to 32 sub-devices, and a single route can expand 32 sub-devices. There is no limit on the total number of firmware ends, depending on the platform you are using.

Hola es posisble conectarse con varios antenas o varios moviles ?

Funciona de coordinador zigbee y se conecta a los dispositivos de este tipo y a otros hubs zigbee de tu red. Debe estar conectado a un PC para gestionar los dispositivos.

is there a commitment that this is upgradeable to support the thread standard

That I do not know. Minus my Google Home Speakers, I don't have any THREAD devices and don't have any immediate or even potentially immediate plans/goals/interest to make the switch. Sorry that I can't be more help. - Chris

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Zigbee USB Dongle Plus (ZBDongle-E)

Product ID: 465507013

Details

Brand
SONOFF
Colour
Black
Compatible devices
Desktop
Connector type
USB
Item dimensions L x W x H
9 x 3 x 2

📶20dBm output gain for strong signal

🔌USB 3.0 connectivity

🛡️Aluminum housing reduces interference

Description

🚀 Elevate your smart home game with lightning-fast Zigbee power!

COMPACT LIGHTWEIGHT - Sleek 9x3x2 cm USB dongle, perfect for any desktop setup without clutter
POWERFUL SIGNAL BOOST - EFR32MG21 chipset with 20dBm output ensures reliable, far-reaching connectivity
INTERFERENCE FREE DESIGN - Durable aluminum casing minimizes signal noise for stable performance
PLUG PLAY ZIGBEE COORDINATOR - Pre-flashed EZNet 6.10.3 firmware for instant smart home integration
UNIVERSAL SMART HOME COMPATIBILITY - Seamlessly works with Home Assistant, openHAB, Zigbee2MQTT and more

The SONOFF Universal Zigbee 3.0 USB Dongle Plus is a compact, pre-flashed Zigbee coordinator featuring the powerful EFR32MG21 chipset with 20dBm output gain. Designed for seamless integration with popular smart home platforms like Home Assistant and openHAB, its aluminum housing reduces interference, ensuring stable and reliable connectivity. Perfect for professionals seeking a sleek, plug-and-play solution to upgrade their smart home ecosystem.

Specifications

ASIN	B0B6P22YJC
Box Contents	ZBDongle-E
Brand Name	SONOFF
Colour	Black
Compatible Devices	Desktop
Connector Type	USB
Customer Reviews	4.8 4.8 out of 5 stars (3,814)
External Testing Certification	Não aplicável
Input Voltage	5 Volts (DC)
Item Dimensions	9 x 3 x 2 centimetres
Item Weight	20 Grams
Manufacturer	SONOFF
Manufacturer Part Number	ZBDongle-E
Model Number	ZBDongle-E 1 Pack
Number of Items	1
Number of Ports	1
Package Quantity	1
Power Plug Type	No Plug
Product Finish Type	Metallic
Product Warranty	1 years warranty
Unit Count	1.0 count

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