"sierra compas 885" is sopistecated modem. it is small defferen with sierra 881u. sierra 885 have a stabil signal while indor or out door. it was support a latter hsdpa and hsupa (3.75g). it can download untill 7.2 mb and upload until 2 mb. wow it was great for me.
i can upload vidio or mp3 quickly. i almost forget, sierra ussually support gps. this can usfully for us. we can bring it to anywere. it is support micro sd card too.
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