This model ships directly from the factory.
GWM420W module allows OpenVox wireless GW1202/1600/2120 series gateways to support 3G connection to the VoIP devices. Each module offers four 3G/UMTS channels. This is the V2 2nd General Model and requires the new GW1202V2, GW1600V2, GW2120V2 Chassis. The new model GWM420W is NOT compatible with the older non-V2 gateways.
Warranty: One Year Limited Manufacturer Warranty