The devices that operate on 1.9GHz, 2.4GHz band frequency happen to recognized across the globe that is now being adopted as way of doing business. Prime illustrations of wireless technologies being applied in such frequency are 802.11b (Wi-fi) & Bluetooth.
Read moreWhat is the frequency range of L band?
L band Frequency range1 – 2 GHzWavelength range30 – 15 cmRelated bandsD (NATO) UHF (ITU)L band – Wikipedia en.wikipedia.org › wiki › L_band
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