This is for modem in Hewlett Packard hp pavilion XT933, but this same modem was used in other hp machines. Identification on chip itself is 1648c-tv3 FCC# is 2D7USA-35107-M5-E Model# IS 90109 also a E153169 is printed on modem. Hope this helps, took me 2 hours to find this driver the first time.
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