General DataComm’s SpectraComm family of modems and CSU/DSUs supports a wide range of applications. These include T3 broadband services, T1 / FT1 (Fractional T1) wideband services, 2.4 kbps - 64 kbps DDS/GDS (Digital Data Service/ Generic Data Service) narrowband services, and up to 33.6 kbps switched or private line analog services.  The flexible, expandable design of the SpectraComm system accommodates network growth, spanning from a single card enclosure to a robust 16 slot shelf system. This modularity maximizes your use of network facilities and helps to reduce network management complexity.