valentin
Valentin Grempka
Telecom Engineer focused on DWDM and optical transmission. Senior Technical Service Engineer at Adtran.
France
Browse others (14)
![]() |
richturnbull Rich Turnbull |
![]() |
ondreian Benjamin Clos |
![]() |
tiagorechau Tiago Rechau |
![]() |
albertsun Albert Sun |
![]() |
danielparks Daniel Parks |
![]() |
stefanbd Stefan Schmitt |
![]() |
colemic Michael Cole |
![]() |
dryanhild D. Ryan Hild |
![]() |
bokai_bi Bokai Bi |