need data on 2sc2570
 

a friend has recently suggested that i should use 2sc2570 for vhf
work. i got a couple locally, they are cheap too. i have been told
that they have an Ft of 4.5GHz. i have searched the web trying to look
for datasheets.
my transistor is marked NEC, but the NEC site doesnt seem to have any
data on this beast.
any pointers??
- farhan