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This is a 4-port hub compliant with USB 2.0 specification. It is able to support 12 M transmission distance, and comply with USB-IF Battery charging specification 1.1. This Hub has USB charging detection mechanism, each port supports Battery charger function, but only one can be the Battery charger port at the same time. On the other hand, users can only choose one of four ports as the port with battery charging function at the same time.
It is the USB Hub for you easily connecting up to 4 USB 2.0 devices to your computer, such as an MP3 player, digital camera, or printers. Its streamlined, sleek and compact design is the perfect solution for USB port expansion.
One to Four USB Port Expansion The GWC HU2V40 USB hub instantly expands one USB connector on your PC or laptop to four ports for easy connection to a growing number of USB peripherals.
USB Charging Compliant with USB-If Battery charging specifications 1.1 and featuring USB charging detection mechanism, this unit allows you to choose only one of four ports to charge your device at the same time. A charging port is either a dedicated charging port or a charging downstream port.
Power Adapter Included In addition to bus-power mode, this unit can also be powered by the included power adapter, delivering fast charging (1.5A) to your device through anyone of the four USB ports.
This review is from: GWC HU2V40 USB 2.0 4-Port Hub with Universal Charging Adapter for Tablet and Smartphone, Built-in Active Signal Repeater
Pros: * The size is really very small (hardly any overhead on top of the four physical USB sockets). * The appearance is slick * The adapter is a high-quality adapter by DVE of sufficient current rating (in contrast to other cheap hubs).
* The self-power is correctly implemented (such that the hub will not destroy your device by sourcing current to the upstream USB port) -- a cheap hub, which I bought before this one did exactly that due to wrongly shorting its Vdd to the usptream port Vdd! This hub has a switch on the power rail, as expected. * The inside PCB is neatly soldered
* The hub is based on FE1.1s chip. Works on Linux out-of-the box.
Cons: The size of the DC socket is non-standard (it is not 5.5mm OD, and does not look like it is 3.5mm OD either, it's something in-between). A pain in the unlikely event that if you are trying to use a power source different from the supplied adapter.
Other Thoughts: Do not bother getting the somewhat cheaper no-name junk hubs -- they can destroy your device (see details above) as was my experience!
1 out of 1 people found this review helpful.
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