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AT&T's LTE network impaired by salon's fluorescent light By Tammy Parker AT&T's (NYSE:T) cellular network has faced myriad challenges over the years, such as the overwhelming capacity crunch that hit when Apple's (NASDAQ:AAPL) first iPhone rolled out. But the latest threat to AT&T's network is particularly illuminating, because the problem is being caused by a common fluorescent light fixture. The fixture is located inside the Perfect Cuts Salon in a San Antonio, Texas, strip mall. By simply flicking the salon's lights on and off...
I've been messing around with my Evo 4G LTE and noticed a different radio mode in the EPST. The default with LTE on is "CDMA HDR LTE" and without LTE is "CDMA HDR". Out of curiosity I changed it to "HDR only" Which gave me much better signal and data speeds. A few other users over at xda have confirmed this, while some it made it slower. I'm sure theres a variable out there for this and a reason the CDMA HDR is default... Can anybody explain the different frequencies, advantages/disadvantages etc? Thanks =D BTW, here's my thread at XDA http://forum.xda-developers.com/showthread.php?t=1688065