2 port channelized T1/E1 and PRI HWIC (data only)
Two 10/100 routed port HWIC
2-Port Serial WAN Interface Card
3G (for India only) HWIC BSNL EVDO Rev A/0/1xRTT 800/1900MHz
3G HWIC NonUS HSPA/UMTS 900/1900/2100 4band2G REMANUFACTURED
4-Port Async/Sync Serial HWIC
4-port ISDN BRI High-Speed WAN Interface Card
4-port ISDN BRI High-Speed WAN Interface Card REMANUFACTURED
4-pair EFM Based HWIC
4-Port Serial HWIC
4 port clear channel T1/E1 HWIC