webdezzi

Hi all, I just got this evdo seirra aircard 580 from my isp and i tell you, i get 100kbps as opposed to the promised 300kbps, i have RSSI of this range -89 dBm to -74 dBm(i cant interpret that) but it says full bars What do i need to do, any tested and working utility as i have downloaded many that did not work. I need your help guys. -Oluwaseun