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Sprint Updating iPhones with WiFi Calling

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Apr 8, 2015, 4:31 PM

Poor indoorcoverage

When you have to bake in wifi calling into your handsets, you know your spectrum sucks for indoor penetration. For the longest time Sprint employees would bad mouth tmobile for their wifi calling.
Spectrum isn't the issue with indoor coverage -- it's frequency. 1900 mhz typically does not penetrate buildings as well as the 850 mhz cellular band. However, the problem with cellular frequencies is the lack of voice clarity.

WiFi solves both pro...
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