MCQ Answer

Which of the following techniques does Sigfox use for communication?

Which of the following techniques does Sigfox use for communication?

सिगफॉक्स कम्युनिकेशन के लिए निम्नलिखित में से किस टेक्निक्स को यूज़ करता है?
Topic : Introduction to IoT

A. Frequency Hopping Spread Spectrum (FHSS) फ़्रीक्वेंसी होपिंग स्प्रेड स्पेक्ट्रम (एफएचएसएस)

B. Ultra Narrow Band (UNB) modulation अल्ट्रा नैरो बैंड (यूएनबी) मॉड्यूलेशन

C. Orthogonal Frequency Division Multiplexing (OFDM) ऑर्थोगोनल फ्रीक्वेंसी डिवीजन मल्टीप्लेक्सिंग (ओएफडीएम)

D. Carrier Sense Multiple Access (CSMA) कैरियर सेंस मल्टीपल एक्सेस (सीएसएमए)




Correct Answer is :

B. Ultra Narrow Band (UNB) modulation



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