... 10G,2,All compatible Transceivers SFP,GBIC,BIDI,XFP,XENPAK,X2,SFP+,CWDM,G-PON,E-PON Modules,like Cisco,Nortel,Extreme,Foundry ... ,2009,2010 also 2011 ?It is SFP Modules, pls check my opinion as following:1,It had 100% increasing both 2008 and 2009 ... my customer, our price is very lowest than original SFP modules.3,Our SFP modules 100% compatible with allmost switches like Cisco,HP,3COM,Nortel ...