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4G (or LTE) is the fourth generation of cellular network connectivity - first deployed in 2006, and now live across the world, supporting by far the broadest range of IoT solutions active today. And, with 5G still in its early stages, there is plenty of room for growth and full lifecycles for innovations built with 4G IoT modules - most of which are based on 4G's 'Standard' categories, LTE Cat 1 and LTE Cat 4.The most advanced form of 4G connectivity is LTE Advanced, usually known as LTE-A. This major enhancement of the Long Term Evolution (LTE) standard offers much higher data rates than LTE Standard - LTE-A networks can deliver speeds up to 2Gbps, nearly 14 times faster than LTE Cat 4.
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