Logitech Unifying receiver: Difference between revisions

Revision as of 18:30, 3 October 2019

Revision as of 19:12, 3 October 2019

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| last=Newlin

| date=2016-08-07

| accessdate=2019-07-25}}</ref> that allows up to six compatible [[Logitech]] human interface devices (such as mice, trackballs, trackpads, and keyboards; headphones are not compatible) to be linked to the same computer using [[2.4 GHz]] band radio communication. Receivers that are bundled with a Logitech product are paired with the device at the factory. When purchasing a replacement receiver or connecting multiple devices to one receiver, pairing requires the free-of-charge Logitech Unifying software, available for [[Microsoft Windows]] and [[Apple Macintosh]] (Mac). Peripherals remain paired, and can then be used on systems not supporting the software. Although not compatible with [[Bluetooth]], devices pair to Unifying Receivers in a similar way.<ref name=gallegos>{{cite web

| last=Gallegos

| first=Gary

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Logitech Unifying receivers (LURs) are often included in wireless Logitech keyboard, mouse, and combo sets, and may be purchased separately. Some Logitech peripherals allow a receiver to be stored inside.<ref>{{Cite web|url=https://www.logitech.com/images/pdf/userguides/multi_connect_instructions.pdf|title=Logitech Unifying Multi-Connect Utility Setup Instructions|website=Logitech}}</ref>

{{As of|2019|10}} Logitech Unifying Software for Windows had last been updated, to version 2.50.25, on 30 March 2010.<ref>{{cite web |url=https://support.logi.com/hc/en-us/articles/360025297913 |title=Logitech Unifying Software|website=Logitech Support + Download |date= |author= |accessdate= 3 October 2019}}</ref>

==Compatibility and use==

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| accessdate=2019-07-25}}</ref> Logitech advises customers with this issue to contact their Customer Care. Newer devices can switch pairings an unlimited number of times.

Pairing software is available from Logitech for [[Microsoft Windows]] and [[Mac OS X]] from Logitech. Wireless devices using the Unifying Receiver are supported since [[Linux]] 3.2.<ref>{{cite web

| title=HID: Add full support for Logitech Unifying receivers

| author=Nestor Lopez Casado

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Software to manage Unifying devices on Linux is available from third party developers, such as Solaar.<ref>{{GitHub|pwr-Solaar/Solaar|Solaar}}</ref>

Many companies have made peripherals that connect via [[USB]] wireless receivers very similar to Logitech's, though it is not known if Logitech has taken legal action against these companies or even if Logitech holds a [[patent]] for the technology.; Logitech devices are incompatible with many of these "off -brand" receivers,{{Citation thoughneeded|date=October some are expressly designed as inexpensive alternatives to the Logitech Unifying receiver that can be paired with Logitech devices2019}}.

== Security ==

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=== Mousejacking and keyjacking ===

Mousejacking, first reported by Bastille Networks, Inc.,{{citation<ref needed|datename=July 2019}}vulerabilities/> is the sending of malicious radio signals (packets) wirelessly to an unsuspecting user through Logitech Unifying wireless technology. The exploit takes advantage of a user's vulnerable Logitech Unifying receiver and unencrypted signals within a range of about 100 meters. Possible exploits include:

* Keystroke injection by either spoofing a paired mouse or keyboard