| Product ID | Description | 
 
  | Cisco 1900 Series DRAM Memory Options | 
 
  | MEM-1900-2GB= | 2GB DRAM (1 DIMM) for Cisco 1941/1941W
  ISR, Spare | 
 
  | Cisco 1900 Series Security Bundles | 
 
  | CISCO1941-SEC/K9 | Cisco 1941 Security Bundle w/SEC license
  PAK | 
 
  | CISCO1921-SEC/K9 | Cisco1921/K9 with 2GE, SEC License PAK,
  512MB DRAM, 256MB Fl | 
 
  | CISCO1905-SEC/K9 | Cisco 1905 Router, HWIC-1T, CAB-SS-V35MT,
  256F/256D, SEC Lic | 
 
  | Cisco 1900 Series Interfaces EHWIC,
  HWIC, WIC, VIC, VWIC2 | 
 
  | EHWIC-4ESG= | Four port 10/100/1000 Ethernet switch
  interface card | 
 
  | HWIC-4ESW-POE= | 4-Port Ethernet Switch HWIC with Power
  Over Ethernet | 
 
  | HWIC-D-9ESW-POE= | 9-Port Ethernet Switch HWIC with Power
  Over Ethernet | 
 
  | HWIC-8A= | 8-Port Async HWIC | 
 
  | HWIC-4A/S= | 4-Port Async/Sync Serial HWIC | 
 
  | HWIC-16A= | 16-Port Async HWIC | 
 
  | HWIC-8A/S-232= | 8-Port Async/Sync Serial HWIC, EIA-232 | 
 
  | WIC-1B-S/T-V3= | 1-Port ISDN WAN Interface Card (dial and
  leased line) | 
 
  | HWIC-2SHDSL= | 2-pair G.SHDSL HWIC | 
 
  | HWIC-2FE= | Two 10/100 routed port HWIC | 
 
  | HWIC-2T= | 2-Port Serial WAN Interface Card | 
 
  | HWIC-1T= | 1-Port Serial WAN Interface Card | 
 
  | HWIC-2A/S= | 2-Port Async/Sync Serial WAN Interface
  Card | 
 
  | HWIC-1DSU-T1= | 1-Port T1/Fractional T1 DSU/CSU WAN Interface
  Card | 
 
  | HWIC-4B-S/T= | 4-port ISDN BRI High-Speed WAN Interface
  Card | 
 
  | HWIC-4SHDSL-E= | 4-pair EFM Based HWIC | 
 
  | VWIC3-2MFT-T1/E1= | 2-Port 3rd Gen Multiflex Trunk Voice/WAN
  Int. Card - T1/E1 | 
 
  | VWIC3-1MFT-T1/E1= | 1-Port 3rd Gen Multiflex Trunk Voice/WAN
  Int. Card - T1/E1 | 
 
  | VWIC3-1MFT-G703= | 1-Port 3rd Gen Multiflex Trunk Voice/WAN
  Int. Card - G.703 | 
 
  | VWIC3-2MFT-G703= | 2-Port 3rd Gen Multiflex Trunk Voice/WAN
  Int. Card - G.703 | 
 
  | VWIC3-4MFT-T1/E1= | 4-Port 3rd Gen Multiflex Trunk Voice/WAN
  Int. Card - T1/E1 | 
 
  | Cisco 1900 Series WAAS Express Bundles | 
 
  | C1941-WAASX/K9 | Router Bundle - C1941, WAASX Feature
  License, Max Mem | 
 
  | Cisco 1900 Series Security and WAAS
  Express Bundles | 
 
  | C1941-WAASX-SEC/K9 | Router Bundle-C1941,WAASX-Sec License,
  Max Mem, Perf Agent | 
 
  | Cisco 1900 Series Wireless WAN Bundles | 
 
  | C1921-3G-U-SEC/K9 | C1921 w/ 3.5G EHWIC 850/900/1900/2100MHz
  w/SEC | 
 
  | C1921-3G-U-K9 | C1921 w/ 3.5G EHWIC (non-US) HSPA/UMTS
  850/900/1900/2100MHz |