... protection to the data files. Furthermore, with a detachable antenna of this Cisco router, you can replace or upgrade your ... eBay_CiscoC2801SHDSLV3K9UPC882658063190Key FeaturesPort Speed10/100ConnectivityWiredPort Qty2-portAntenna Type Internal / Integrated Antenna x 1InterfacesLAN Interfaces10/100 Base-TProtocolsGeneral ProtocolsIPSecRemote Management ProtocolsHTTP, SNMP ...