| Revew | St-Lab 4 Ports USB2.0 Pocket HUBThe St-Lab U-311 is a pocket-size USB 2.0 hub with four Type-A ports that expands the connections on a laptop, desktop PC or industrial PC. It is based on the Genesys GL850G chip, supports data rates of up to 480Mbps and is backward compatible with USB 1.1. The slim 90 x 35 x 12.5 mm body fits in a pocket or laptop bag, and the hub plugs directly into the computer's USB port. It runs on USB bus power, and an optional 5V power adapter can be connected for devices that need more current. An LED shows that the hub is powered, and no drivers are needed. 
Key features- Four USB 2.0 ports - Four independent Type-A ports connect a keyboard, mouse, flash drive, printer or serial adapters at the same time.
- Pocket size - A slim 90 x 35 x 12.5 mm body, handy for field technicians and crowded workstations.
- 480Mbps, backward compatible - 480Mbps, 12Mbps and 1.5Mbps modes with USB 2.0 and USB 1.1 devices working side by side, 40 times faster than USB 1.1.
- Bus or self powered - The hub runs on USB bus power, and with an optional 5V adapter it supplies up to 500mA per port.
- Plug and Play and hot swap - Connect and disconnect devices without turning off the computer, with no drivers.
Specifications| Manufacturer | St-Lab | | Model | 4 Ports USB2.0 Pocket HUB | | Part number | ST-U-311 | | Manufacturer code | U-311 (Part No. U2-N21-UH10-11-00011) | | Chipset | Genesys GL850G | | Interface | USB 2.0 (480Mbps), USB 1.1 compatible | | Ports | 4 x USB 2.0 Type-A | | Speed modes | 480Mbps, 12Mbps, 1.5Mbps | | Power | USB bus power or optional 5V power adapter (not included) | | Current per port | Up to 500mA | | LEDs | Power LED | | Operating systems | Windows 2000, XP, Vista; Mac OS 8.6 or later (USB 2.0 on Mac OS X) | | Drivers | Not required | | Operating temperature | 0°C to 45°C | | Dimensions | 90 x 35 x 12.5 mm | | Color | Black |
In the box- USB 2.0 4-port pocket hub
- User manual
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