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2. 4G - Wikipedia

   en.wikipedia.org/wiki/4G

   The pre-4G 3GPP Long Term Evolution (LTE) technology is often branded "4G – LTE", but the first LTE release does not fully comply with the IMT-Advanced requirements. LTE has a theoretical net bit rate capacity of up to 100 Mbit/s in the downlink and 50 Mbit/s in the uplink if a 20 MHz channel is used — and more if multiple-input multiple ...

3. LTE (telecommunication) - Wikipedia

   en.wikipedia.org/wiki/LTE_(telecommunication)

   In telecommunications, long-term evolution (LTE) is a standard for wireless broadband communication for cellular mobile devices and data terminals. It is considered to be a "transitional" 4G technology, [1] and is therefore also referred to as 3.95G as a step above 3G.

4. Voice over LTE - Wikipedia

   en.wikipedia.org/wiki/Voice_over_LTE

   Furthermore, a 4G/LTE device may say “Emergency Calls Only” within the system settings or notifications area but that message does not prove the device can actually make an Emergency call over 4G/LTE. [14] Additionally a device may be configured for 4G Emergency Calls in a given region but fail to connect when placing a 4G Call in another ...

5. Access Point Name - Wikipedia

   en.wikipedia.org/wiki/Access_Point_Name

   An 'Access Point Name' (APN) is the name of a gateway [2] between a mobile network (GSM, GPRS, 3G, 4G and 5G) and another computer network, frequently the public Internet. [3] Some Important APN Terms: Below are some terms of the APN settings, explaining what each setting stands for: APN: The APN address of your (mobile network operator) MNOs.

6. List of wireless network technologies - Wikipedia

   en.wikipedia.org/wiki/List_of_wireless_network...

   LTE (Long Term Evolution) is commonly marketed as 4G LTE, but it did not initially meet the technical criteria of a 4G wireless service, as specified in the 3GPP Release 8 and 9 document series for LTE Advanced. Given the competitive pressures of WiMAX and its evolution with Advanced new releases, it has become synonymous with 4G. It was first ...

7. LTE frequency bands - Wikipedia

   en.wikipedia.org/wiki/LTE_frequency_bands

   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.

8. Verizon (wireless service) - Wikipedia

   en.wikipedia.org/wiki/Verizon_(wireless_service)

   Because 4G LTE is a data-transmitting network, when it launched, Verizon customers' voice calls were still carried over the company's CDMA2000 network, [64] which was developed for 3G cellphones. In September 2014, Verizon launched voice over LTE (VoLTE) ; [ 65 ] this allowed voice calls to transmit via the data-only LTE network.

9. QoS Class Identifier - Wikipedia

   en.wikipedia.org/wiki/QoS_Class_Identifier

   QoS Class Identifier (QCI) is a mechanism used in 3GPP Long Term Evolution (LTE) networks to ensure carrier traffic is allocated appropriate Quality of Service (QoS). Different carrier traffic requires different QoS and therefore different QCI values. QCI value 9 is typically used for the default carrier of a UE/PDN for non privileged subscribers.