Tuesday, April 17, 2012
kumaran vr
What is the difference between GPRS, EDGE, 3G and 4G?
a) GPRS: refers to a service on the2G network that provides basic data up to 56kbps (similar to dial-up speeds)
b) EDGE: It is a 2.5G technology. An enhancement of the 2G technology which provides higher data transfer rates compared to GPRS (the default on2G).The speeds can go up to 144 Kbps
c) 3G: 3G technology provides faster / higher data transfer ratescompared to the 2G network (EDGE & GPRS). This technology can offer speeds up to 21 Mbps
d) 4G: This technology rides on LTE platform and is the latest in the world of mobile data transfer. It is the next generation of mobile communications. Currently it is the most advanced technology available. Theoretical data downlink speeds can go up to 100 Mbps..
>What is 4G or LTE?
LTE stands for “Long Term Evolution” – it is a radio access technology to deliver Very high speeds-up to 100Mbps (technically) in an ideal environment. 4G is a Standard in Mobile Network Technology and stands for “Fourth Generation” -the latest after 2G and 3G..
>What is the difference between a single and multi mode dongle?
a. Subject to the availability of the services in the city
1. A Single mode device will support airtel 4G LTE data network only. 2. A Multimode Mode device will support 2G / 3G / 4G network
b. Please note that voice and SMS is not supported on 4G. In 3G & 2G your SMS and USSD along with Data Services will work..
>What is USIM?
a. USIM stands for Universal Subscriber Identification Module, it is different than your current SIM since it is a 128 KB SIM
b. A Universal subscriber identity module or Universal subscriber identification module (SIM) is an integrated circuit that securely stores the International Mobile Subscriber Identity (IMSI) and the related key used to identify and authenticate subscribers on mobile telephony devices..
>What is the difference between normal SIM & USIM?
a. Normal SIM supports 2G & 3G Network, but USIM Supports 2G, 3G, 4G Networks as well as JAVA Applications.
b. Memory of normal SIM is 64KB where as memory of USIM is 128KB..
Posted in: Did you know?
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