This is a 56k modem
Unsure of brand but details on the board are
chip
Conexant HSFI
CX11252-412
0717Y102
0716 Taiwan
on the board is
PN2011252X3E
SH194V-0
E248779
0719
made in china
sticker has
07320743999
FP-C01-9030-00-00052
thats all i can tell you other than it is in working order