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USSD can also be used to refill the balance on the user's SIM card and to deliver one-time passwords or PIN codes. Some operators use USSD to provide access to real-time updates from social-networking websites including Facebook and Twitter. [3] Between 2012 and 2018, the Wikipedia Zero project provided access to Wikipedia articles via USSD. [4]
USSD gateway is based upon the ability of the delivery agent or the source to send and receive USSD messages. A USSD is a session-based protocol. A USSD is a session-based protocol. USSD messages travel over GSM signalling channels, and are used to query information and trigger services.
A card reader is a data input device that reads data from a card-shaped storage medium and provides the data to a computer. Card readers can acquire data from a card via a number of methods, including: optical scanning of printed text or barcodes or holes on punched cards, electrical signals from connections made or interrupted by a card's punched holes or embedded circuitry, or electronic ...
These scanners are legal and can be bought in regular electronics stores. Most modern mobile telephones running Android OS have a built in NFC reader that can be used to unlawfully scan contactless payment cards. A criminal can hide the scanner e.g. inside a glove or a bag, and then place it close to the victim and wirelessly steal the victim's ...
Usage of the card involves scanning it at a card reader. The card's technology allows for it to be read at a short distance from the reader, so contact is not required, [ 25 ] despite instructions which often inform users to 'touch' ( タッチ , tacchi ) cards on readers.
A contactless smart card is a card in which the chip communicates with the card reader through an induction technology similar to that of an RFID (at data rates of 106 to 848 kbit/s). These cards require only close proximity to an antenna to complete a transaction.
Make watching TV on your phone reading your Kindle in bed even more relaxing by clipping it to your headboard. Use it on a balcony or patio table to make reading outside feel extremely luxurious.
The use of USSD increased by 14.5 per cent in March 2020, due to COVID-19 restrictions and in June same year, the value in monetary term was put at N390 billion and monthly average value of USSD transactions rose to N230 billion. Guaranty Trust Bank (GTB) alone reported ₦3.89 trillion in USSD transaction value for 2020. The USSD service ...