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As a result, deploying higher-power RRUs can make it necessary to reinforce the tower to withstand the added weight and wind loading.
Essentially, a power-boosting system makes it possible to support higher-power RRUs using the same 8-10-gauge cable as before, eliminating the need to re-engineer the macro cell tower.
A DC power boost system is a more efficient way of transmitting electrical energy across the cable: it takes a nominal 48 volts and boosts it to a regulated 54 volts at the RRU in a macro deployment.
By delivering a higher voltage over existing cable and thereby delaying the RRU low voltage disconnect, DC boost solutions increase the available backup time that a battery can provide, even though it is backing-up a higher-powered RRU.
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