Cisco IOS Software, C3900 Software (C3900-UNIVERSALK9-M), Version 15.5(3)M, RELEASE SOFTWARE (fc1). 3925 C3900-SPE100/K9. 1 C3900-SPE100/K9. PID: C3900-SPE100/K9, VID: V0, SN ● A single Cisco IOS Software Universal image is installed on each Cisco ISR G2.
eBay