Wu Han SFP module company supply WS-5484WS-5486WS-5483WS-5487CWDM-GBIC-1470GLC-SX-MMGLC-LH-SMGLC-ZX-SMGLC-TCWDM-SFP-1470DS-SFP-2G-FC-SWDS-SFP-2G-FC-LW DS-SFP-2G-FC-ZWGLC-SX-MMDGLC-LH-SMDGLC-ZX-SMDSFP-GE-SSFP-GE-LSFP-GE-TGLC-GE-100FXGLC-FE-100LXGLC-FE-100FXGLC-FE-100EXGLC-BX-DGLC-BX-UGLC-FE-100BX-DGLC-FE-100BX-uGLC-FE-100BX-DGLC-FE-100BX-uSFP-10G-SRSFP-10G-LR=XENPAK-10GB-ER+=XENPAK-10GB-LR+= XENPAK-10GB-SR= "XENPAK-10GB-ZR= "X2-10GB-LR= X2-10GB-ER= X2-10GB-ZR= X2-10GB-SR= X2-10GB-LRM= XFP-10GLR-OC192SR= XFP-10GER-OC192IR= XFP-10GZR-OC192LR= XFP-10G-MM-SR=QSFP-H40G-CU1M=QSFP-H40G-CU3M=QSFP-H40G-CU5M= Warranty:All the products have 1 year warranty.Shipping:We ship to worldwide by FedEx, DHL, UPS, TNT, EMS,and etc. If you have preferred carrier, please notify us in advance. Shipping costs are calculated based on weight and size of the package. We also have a lot of cisco products that are not listed on alibaba.com,pls feel free to contact me if you are interested in any cisco products. Contact: SunnySkype: cisco-partnerEmail:sunny(@)ciscostocks.comMobile number: +86-13790381860