Virtual Signals

Hi guys, Hope you doing well, our todays blog topic is Spectrum. We heard about Spectrum in telecom filed at some point, so we will discuss about spectrum in this blog. What is Spectrum – 1. Spectrum refers to electromagnetic waves or range of frequencies we used for different applications. 2. Electromagnetic spectrum divided into radio waves, microwaves, infrared (IR), visible light, ultraviolet (UV), X-rays and gamma rays.     (Source - Wikipedia)   3. Frequency range for wireless communication is varies between 10 6  to 10 11  Hz. 4. If we talk about specific frequency range use for mobile communication in India, we have different range for 2G, 3G, 4G. Frequency range for GSM (2G) is 900 MHz and 1800 MHz. Frequency range for CDMA is 850 MHz. Frequency range for WCDMA (3G) is 900 MHz and 2100 MHz. Frequency range for 4G LTE (4G) is 850 MHz, 1800 MHz, 2300 MHz, 2500 MHz. Department of Telecommunication (DoT) allocates this spectrum to different operators in India and at gl

Hi guys, Do you know who is responsible for handling telecommunication related functions and organize them in India. If you are not aware then this blog will give you brief information about Department of Telecommunication (DoT) which handles functions of telecommunication sector in India.                  (Source - Pixabay.com) So, let’s start, below points give you some basic information about DoT. Department of Telecommunications (DoT) -  1. DoT used to provide basic telecommunication services in India. This function was shifted to BSNL after its formation in October, 2000. 2. Presently, the main powers and responsibilities of the DoT Rules, 1961 are: 3. Formulation of policy, allocation of license and co-ordination with matters relating to telegraphs, telephones, wireless, data, facsimile and telematic services and other like forms of communications. 4. Co-operation with international bodies on matters related to telecommunication 5. Promotion of standardization and