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[11] In 2010, Three became the fourth network in the UK to launch the iPhone 4 after O2, Orange and Vodafone. [12] In July 2014, Three introduced the 3 inTouch app, [13] allowing customers to place calls through a Wi-Fi connection. Three customers can also access the Virgin Wi-Fi network implemented at over 130 London Underground stations. [14]
By March 2014, Three had expanded its 4G coverage to a further 11 towns. In 2016, Three started rolling out 4G+ claiming peak speeds of 225 Mbit/s. [40] 4G coverage currently sits at 97.3% as of March 2020. On 28 September 2020, Three launched its 5G network, claiming 35% population coverage on day one.
Flexible bandwidth: 1.4 MHz, 3 MHz, 5 MHz, 10 MHz, 15 MHz and 20 MHz are standardized. By comparison, UMTS uses fixed size 5 MHz chunks of spectrum. Increased spectral efficiency at 2–5 times more than in 3GPP release 6; Support of cell sizes from tens of meters of radius (femto and picocells) up to over 100 km radius macrocells
CLLI code (sometimes referred to as CLLI name or Common Language Location Identifier Code, and often pronounced as silly) is a Common Language Information Services identifier used within the North American telecommunications industry to specify the location and function of telecommunications equipment or of a relevant location such as an international border or a supporting equipment location ...
The company also announced that they would be using two 4G mobile broadband devices manufactured by Huawei - the E589 Mobile Wi-Fi device and E392 mobile broadband dongle. [ 25 ] On 11 September 2012, it was announced that the EE brand would be used to identify its network on all of the company's devices (EE, T-Mobile and Orange), alongside its ...
[11] In addition to the challenges mentioned above, there are a number of technical challenges with regards to the rollout of triple-play services. Voice, video, and high-speed data all have different characteristics and place different burdens on the network that provides access to these services.
There are four interfaces connecting the UTRAN internally or externally to other functional entities: Iu, Uu, Iub and Iur. [3] The Iu interface is an external interface that connects the RNC to the Core Network (CN). The Uu is also external, connecting Node B with the User Equipment (UE). The Iub is an internal interface connecting the RNC with ...
Networks on LTE bands 1, 3 (LTE-FDD) are suitable for roaming in ITU Regions 1, 3 and partially Region 2 (e.g. Costa Rica, Venezuela, Brazil and some Caribbean countries or territories. Networks on LTE band 20 (LTE-FDD) are suitable for roaming in ITU Region 1 only.