Checked on all operators of the "Big Three" and Skylink. Supports modems, not even stated in the description. Verified modems: Huawei E1550, E173 (GSM) ZTE MF100, MF120 (GSM) Cmontech CNU-680 (CDMA SkyLink) AnyDATA ADU-310A (CDMA SkyLink) I put it in the car, powered by a miniUSB cigarette lighter.
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