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![AS-UHF - ADDER - Secure Port Expander, additional USB HID ports, NIAP PP 4.0 *NEW*](https://images.findtheneedle.co.uk/findtheneedle/products/18075396.jpg)
The ADDER Secure Port Expander can be used to provide an additional port for USB HID devices. It only allows secure, uni-directional connection of USB HID devices, so may also be used as a USB HID filter.
For more information on AS-UHF - ADDER - Secure Port Expander, additional USB HID ports, NIAP PP 4.0 *NEW* talk to KVM Choice Ltd
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