Celluar Frequency Bands

http://www.wirelessadvisor.com

Put in zip code to get idea

Frequencies: https://en.wikipedia.org/wiki/UMTS_frequency_bands

iPhone Field Test for LTE: *3001#12345#*

• http://www.howardforums.com/showthread.php/1797475-How-to-tell-which-3G-4GLTE-band-frequency-I-am-using

Antennas

• http://people.csail.mit.edu/bkph/cellular_repeater_LTE.shtml

Band 4 LTE Repeater

• 1700/2100Mhz