we have series of cisco's original routers, especially the common ones. and we have the price advantage. and the warrant for one year of the products .

Ben here will offer your inquiry quickly. or you can call me benxyh on msn.

CISCO GBIC modules:
WS-G5484 / WS-G5486 / WS-G5483 / WS-G5487 
CISCO SFP modules:
GLC-SX-MM / GLC-LH-SM / GLC-ZX-MM / GLC-T / CWDM-SFP-1470 / CWDM-SFP-1490 / CWDM-SFP-1510 / CWDM-SFP-1550 / CWDM-SFP-1570 / CWDM-SFP-1610 
10000BASE modules:
XENPAK-10GB-LX4 / XENPAK-10GB-SR / XENPAK-10GB-LR / XENPAK-10GB-ER /
3COM GBIC / SFP modules:
3C17227 / 3C17221 / 3C17223 / 3CGBIC91 / 3CGBIC92 / 3CGBIC93 / 3CGBIC97 / 3CSFP91 / 3CSFP92 / 3CSFP93 / 3CSFP97
( HUAWEI) GBIC / SFP modules:
GBIC-T / GBIC-SX / GBIC-LX10 / GBIC-ZX70 / SFP-T / LS-SFP-SX / LS-SFP-LX / LS-SFP-ZX 
HP GBIC / SFP modules:
J4858A / J4859A / J4860A 
NORTEL GBIC / SFP modules;
AA1419001 / AA1419002 / AA1419003 / AA1419004 / AA1419013 / AA1419014 
D-LINK GBIC / SFP modules:
DES-102F / NMDGS-701 / DGS-702 / DGS-703 / DGS-707 / DGS-711 / DEM-311GT / DEM-310GT