Why is the spectrum unlicensed?

Unlicensed spectrum users are competing with other users for priority. And as an unlicensed user, you have no protection from interference on the part of other parties . In addition, Part 15 of the FCC regulations limits the time-on-air of most unlicensed transmissions to . 4 seconds (400 milliseconds).13 Oca 2020

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Can we use 900 MHz in India?

Harmonisation of the 800 MHz (locally known as CDMA band) with the international 900 MHz band would give India’s GSM carriers access to higher frequencies in the 800 band (880-890 MHz) which have better reach and are ideal for sprucing up 2G, 3G coverage at lower costs and launching HSPA+ mobile broadband services.

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Is 2.4 GHz regulated?

In this document the regulations of the 2.4 GHz and 5 GHz bands are reviewed. The 2.4 GHz and 5GHz ISM bands are covered by the following standards: EN 300 440 covers non-specific devices in the frequency range of 1 GHz – 40 GHz.

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