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UL/DL ratio
(redirected from DL/UL)

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UL/DL ratio
(Upload/Download ratio, Uplink/Downlink ratio) The difference in speed between transmitting and receiving. For Internet access, the upload speed (from the user) is typically considerably lower than the download speed (to the user). For example, in requesting a Web page, the user uploads a brief text query to the site, which can result in downloading a huge amount of text and graphics back to the user. A video download starts with a short upload request that can cause a download 10,000 times larger.

With satellite-based Internet access, technically, the uploaded data are travelling via the uplink, and the downloaded data travel via the downlink. However, in practice, both terms are used synonymously to refer to the speed ratio or to the data rate in general. See upload and uplink.


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The LTE chipsets with the 4M Wireless stack are capable of LTE throughputs of 100Mbps/50Mbps DL/UL respectively and support FDD/TDD LTE.
Altair's FourGee-3100/6200 is a 3GPP LTE chipset that supports LTE throughputs of 100Mbps/50Mbps DL/UL respectively and supports both FDD and TDD variants using a single software, and covers any LTE frequency band in the range between 700-2700MHz.
The FourGee-3100 is a 3GPP LTE baseband processor that supports LTE category 3 (CAT-3) throughputs (100Mbps/50Mbps DL/UL respectively).
 
 
 
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