CURRENT AFFAIRS

Detailed explanation-1: -Railways is planning to complete tagging all wagons by December 2022.

Detailed explanation-2: -NEW DELHI: The Indian Railways will now install the global positioning system (GPS) in wagons for their real-time tracking and this will be complementary to the Radio-Frequency Identification Tags (RFID) tags which have been installed in most of these rolling stockInstallation of .

Detailed explanation-3: -Radio Frequency Identification (RFID): What is it? Radio Frequency Identification (RFID) technology uses radio waves to identify people or objects. There is a device that reads information contained in a wireless device or “tag” from a distance without making any physical contact or requiring a line of sight.

Detailed explanation-4: -The Indian government arm that regulates applications of radio waves, the Department of Telecommunication (under the Ministry of Communications and Information Technology), has recently delicensed the spectrum in the 865–867 MHz band for use by RFID devices.

Detailed explanation-5: -The ultra high frequency range includes frequencies from 300 to 1000 MHz, but only two frequency ranges, 433 MHz and 860–960 MHz, are used for RFID applications. The 433 MHz frequency is used for active tags, while the 860–960 MHz range is used mostly for passive tags and some semi-passive tags.