Summit SDC-MCF10G

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"190-XC4-0300R RoHS" and "WCFB-107G_V00" is silkscreened on the board in the FCC photos.
 * This device is a Gemtek WCFB-107G v00.

Used in the Unitech HT660e handheld terminal (FCC ID: HLEHT660EBTG).