Up to 52dBi ( 2 x 26dBi), 600-4400MHz. with TS9 connector. MIMO Antenna verison 4.0. ZTE MC801A, TLC HH500E. This antenna is designed to boost signal in all areas. If your signal is very low or you cannot connect to network, it can improve signal strength (you can use skype + webcam or downloading about 1200kB/s).
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