The HWIC-2SHDSL 2-Pair DSL High-Speed WAN Interface Card (HWIC) provide G.SHDSL connectivity to a Wide Area Network .The 2-pair G.SHDSL HWIC provides two ports of 2-wire connectivity options. The HWIC-2SHDSL 2-Pair DSL High-Speed WAN Interface Card provides higher performance and increased reach when compared to the G.SHDSL WIC.