Cisco 1921 T1 Bundle incl. HWIC-1DSU-T1,256F/512D, SEC Lic CISCO1941-SEC/K9 Cisco 1941 Security Bundle w/SEC license PAK CISCO1921-T1SEC/K9 Cisco 1921 T1 Bundle incl. HWIC-1DSU-T1,256F/512D, SEC Lic CISCO1921-SEC/K9 Cisco1921/K9 with 2GE, SEC License PAK, 512MB DRAM, 256MB Fl CISCO1941-HSEC+/K9 VPN ISM module HSEC bundles for 1941 ISR platform CISCB/K9 Cisco1921/K9 w/ IP Business,2 GE,512MB DRAM CISCB/K9 Cisco 1941 w/ IP Business,2 GE,2 EHWIC slots,512MB DRAM CISCO1941-SECK9-RF Cisco 1941 Security Bundle w/SEC license PAK REMANUFACTURED MEM-CF-4GB= 4GB Compact Flash for Cisco 1900, 2900, 3900 ISR MEM-CF-2GB= 2GB Compact Flash for Cisco 1900, 2900, 3900 ISR MEM-CF-1GB= 1GB Compact Flash for Cisco 1900, 2900, 3900 ISR MEM-CF-512MB= 512MB Compact Flash for Cisco 1900, 2900, 3900 ISR MEM-CF-256MB= 256MB Compact Flash for Cisco 1900, 2900, 3900 ISR MEM-CF-256MB 256MB Compact Flash for Cisco 1900, 2900, 3900 ISR MEM-CF-256U4GB 256MB to 4GB Compact Flash Upgrade for Cisco MEM-CF-256U2GB 256MB to 2GB Compact Flash Upgrade for Cisco MEM-CF-256U1GB 256MB to 1GB Compact Flash Upgrade for Cisco MEM-CF-256U512MB 256MB to 512MB CF Upgrade for Cisco ISR MEM-CF-256MB-RF 256MB Compact Flash xCisco ISR REMANUFACTURED MEM-CF-4GB-RF 4GB Compact Flash for CiscSR REMANUFACTURED MEMUSB-1024FT 1GB USB Flash Token