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In 2G networks, the SIM card and SIM application were bound together, so that "SIM card" could mean the physical card, or any physical card with the SIM application. In a GSM network, the UICC contains a SIM application and in a UMTS network, it contains a USIM application. A UICC may contain several applications, making it possible for the ...
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. Networks on LTE band 5 (LTE-FDD) are suitable for roaming in ITU Regions 2 and 3.
LTE Technology: LTE FDD, LTE TDD, LAA, LTE Broadcast; Cellular Technology: WCDMA (DB-DC-HSDPA, DC-HSUPA), TD-SCDMA, CDMA 1x, EV-DO, GSM/EDGE; Downlink LTE: LTE Category 15 (800 Mbit/s). 3x20 MHz carrier aggregation. Up to 256-QAM. Up to 4x4 MIMO on two carriers; Uplink LTE: LTE Category 13 (150 Mbit/s). 2x20 MHz carrier aggregation. Up to 64-QAM
Downlink LTE: LTE Category 12 (600 Mbit/s). 4x20 MHz carrier aggregation. Up to 256-QAM; Uplink LTE: LTE Category 13 (150 Mbit/s). 1x20 MHz carrier aggregation. Up to 64-QAM; Featured in: iPhone X/iPhone 8 (some model used Snapdragon X16 LTE Modem). [18] TSMC 28nm process; Released Q3 2017; Apple iPhone 8/iPhone 8 Plus, iPhone X
A typical SIM card (mini-SIM with micro-SIM cutout) A SIM card or SIM (Subscriber Identity Module) is an integrated circuit (IC) intended to securely store an international mobile subscriber identity (IMSI) number and its related key, which are used to identify and authenticate subscribers on mobile telephone devices (such as mobile phones and laptops).
SIM Application Toolkit (STK) is a standard of the GSM system which enables the subscriber identity module (SIM card) to initiate actions which can be used for various value-added services. [1] Similar standards exist for other network and card systems, with the USIM Application Toolkit (USAT) for USIMs used by newer-generation networks being ...
4G eLTE is Huawei's proprietary derivative of the LTE standard, the "e" standing for "enhanced", intended to provide wireless broadband transmission with peak downlink speeds of 50 Mbit/s and 20 Mbit/s uplink per site in 5 MHz, 10 MHz and 15 MHz frequencies.
Cellular frequencies are the sets of frequency ranges within the ultra high frequency band that have been assigned for cellular-compatible mobile devices, such as mobile phones, to connect to cellular networks. [1]
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