Vicon V22PA Pole Mount Adapter for 3 - 4 inch diameter poles, medium duty, use with V1600WM and V2000WM wall mounts. The V22PA Pole Mount Adapter is a medium-duty unit which accommodates Vicon’s medium-duty V1600WM and V2000WM wall-mounts for indoor or outdoor installations and is capable of withstanding extreme weather conditions. The V22PA with an attached wall mount can support a complete camera system, up to the load limit of the particular wall mount used.