WBBSE Madhyamik Telecom (Vocational) Practice Questions - West Bengal Board Class 10 Secondary Vocational Telecom Examination Exam

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An optical transmitter outputs -3 dBm of power, and the receiver sensitivity limit is -28 dBm. What is the total allowable optical power budget for this link?

25 dB 31 dB -25 dB -31 dB

Correct Answer:

25 dB

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