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With reference to the Narrow Band-Internet of Things (NB-IoT), consider the following statements:
  1. It is a wireless communication standard for small data volume infrequently transmitted.
  2. NB-IoT significantly improves the power consumption of user devices.
  3. Recently, BSNL has launched the world's first satellite-based NB-IoT network in India.
Which of the statements given above are correct?
  • a)
    1 and 2 only
  • b)
    2 and 3 only
  • c)
    1 and 3 only
  • d)
    1, 2 and 3 
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
With reference to the Narrow Band-Internet of Things (NB-IoT), conside...
  • Narrow Band-Internet of Things (NB-IoT) is a standards-based low power wide area (LPWA) technology developed to enable a wide range of new IoT devices and services. It is a wireless communication standard for the Internet of Things (IoT). NB-IoT belongs to the category of low-power wide-area networks (LPWAN), enabling to connect devices that need small amounts of data, low bandwidth, and long battery life. In NB-IoT applications, typically small data volume amounts need to be infrequently transmitted. Hence, statement 1 is correct. 
  • NB-IoT significantly improves the power consumption of user devices, system capacity and spectrum efficiency, especially in deep coverage. Battery life of more than 10 years can be supported for a wide range of use cases. Hence, statement 2 is correct. 
  • New physical layer signals and channels are designed to meet the demanding requirement of extended coverage – rural and deep indoors – and ultra-low device complexity. Initial cost of the NB-IoT modules is expected to be comparable to GSM/GPRS. The underlying technology is however much simpler than today’s GSM/GPRS and its cost is expected to decrease rapidly as demand increases. 
  • Supported by all major mobile equipment, chipset and module manufacturers, NB-IoT can co-exist with 2G, 3G, and 4G mobile networks. It also benefits from all the security and privacy features of mobile networks, such as support for user identity confidentiality, entity authentication, confidentiality, data integrity, and mobile equipment identification. 
  • Recently BSNL, in partnership with Skylo, has introduced worlds' first, satellite-based narrowbandIoT network in India. This new ‘Made in India’ Solution, which is indigenously developed by Skylo, will connect with BSNLs satellite- ground infrastructure and provide PAN-India coverage, including Indian seas. The coverage will be so vast that it will not leave any dark patch within the boundary of India, from Kashmir &Ladakh to Kanyakumari, and from Gujarat to the North East, including the Indian seas. Hence statement 3 is correct.
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Community Answer
With reference to the Narrow Band-Internet of Things (NB-IoT), conside...
Statement 1: It is a wireless communication standard for small data volume infrequently transmitted.
The first statement is correct. Narrowband Internet of Things (NB-IoT) is a wireless communication standard specifically designed for connecting devices that require low power consumption, cost efficiency, and a long battery life. It is ideal for applications that generate small amounts of data and transmit it infrequently. Examples of such applications include smart meters, industrial sensors, and environmental monitoring systems.

Statement 2: NB-IoT significantly improves the power consumption of user devices.
The second statement is correct. One of the key advantages of NB-IoT is its ability to significantly improve the power consumption of user devices. It achieves this by using a narrowband radio frequency, which allows for better coverage and deeper penetration into buildings and underground areas, reducing the power required for transmission. Additionally, NB-IoT devices can operate on low power mode for extended periods, conserving energy and increasing the battery life of the devices.

Statement 3: Recently, BSNL has launched the world's first satellite-based NB-IoT network in India.
The third statement is correct. BSNL (Bharat Sanchar Nigam Limited), a state-owned telecommunications company in India, has indeed launched the world's first satellite-based NB-IoT network in India. The network was launched in collaboration with Inmarsat, a British satellite telecommunications company. This satellite-based NB-IoT network aims to provide connectivity to remote and rural areas in India where traditional cellular networks may not be available or feasible. It will enable various IoT applications in sectors such as agriculture, transportation, and logistics, where reliable connectivity is crucial.

Therefore, all the given statements - 1, 2, and 3 - are correct.
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With reference to the Narrow Band-Internet of Things (NB-IoT), consider the following statements: It is a wireless communication standard for small data volume infrequently transmitted. NB-IoT significantly improves the power consumption of user devices. Recently, BSNL has launched the worlds first satellite-based NB-IoT network in India.Which of the statements given above are correct?a)1 and 2 onlyb)2 and 3 onlyc)1 and 3 onlyd)1, 2 and 3Correct answer is option 'D'. Can you explain this answer?
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With reference to the Narrow Band-Internet of Things (NB-IoT), consider the following statements: It is a wireless communication standard for small data volume infrequently transmitted. NB-IoT significantly improves the power consumption of user devices. Recently, BSNL has launched the worlds first satellite-based NB-IoT network in India.Which of the statements given above are correct?a)1 and 2 onlyb)2 and 3 onlyc)1 and 3 onlyd)1, 2 and 3Correct answer is option 'D'. Can you explain this answer? for UPSC 2025 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about With reference to the Narrow Band-Internet of Things (NB-IoT), consider the following statements: It is a wireless communication standard for small data volume infrequently transmitted. NB-IoT significantly improves the power consumption of user devices. Recently, BSNL has launched the worlds first satellite-based NB-IoT network in India.Which of the statements given above are correct?a)1 and 2 onlyb)2 and 3 onlyc)1 and 3 onlyd)1, 2 and 3Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for UPSC 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for With reference to the Narrow Band-Internet of Things (NB-IoT), consider the following statements: It is a wireless communication standard for small data volume infrequently transmitted. NB-IoT significantly improves the power consumption of user devices. Recently, BSNL has launched the worlds first satellite-based NB-IoT network in India.Which of the statements given above are correct?a)1 and 2 onlyb)2 and 3 onlyc)1 and 3 onlyd)1, 2 and 3Correct answer is option 'D'. Can you explain this answer?.
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