CenDyne 56K V.92 External Internet Serial DataFax Modem Bulk PN:pn-3201376

No manufacturer information available.

It is based on the Conexant Systems RC56D2 V.90 K56Flex serial
ati3 ACF3_V1.700-V90_P21_FSH
ati6 RCV56DPF-PLL L8571A Rev 47.00/34.00