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By combining power and communications over a single CAT 3 or CAT 5 cable, engineers can construct low-maintenance Ethernet networks quickly and inexpensively compared with installations employing separate systems.
This article interexamines the trade-offs between ference, range, and speed that need to be considered when choosing to operate in the 5 GHz band or the 2.4 GHz band.
The wide range of RF protocol choices available to embedded developers makes the already complex choice of antennas that much more difficult.