You found 4 products in Concentrators and Multiplexers - Cisco

Cisco VPN 3002 Concentrator (CVPN3002-BUN-K9)
Concentrator, 100 Mbps, For: PC Platforms
1 store offers from £489 - £489

Cisco VPN 3080 Concentrator (CVPN3080-RED-BUN)
Concentrator, 100 Mbps, For: PC Platforms
3 store offers from £218 - £237

Cisco VPN 3002 Concentrator (CVPN3002-8E-BUN-K9)
Concentrator, 100 Mbps, For: PC Platforms
1 store offers from £569 - £569

Cisco (CWDMSFP1590) Multiplexer
Multiplexer, 2120 Mbps
1 store offers from £1246 - £1246