The SM21 is a 1.5m high ISP satellite dish/antenna mount suitable for use on pitched or flat metal roofs or concrete pads. The 1.5m mast allows for higher mounting of the antenna to clear line of sight obstructions as well as keeping the antenna away from radiating heat from the mounting surface. The SM21 is designed to allow common internet reception antennas to clip into the top of the mount or sleeve over as required and clamp into place. The SM21 is supplied with a clamping collar to lightly tighten the ISP antenna base to hold it securely in place. No modifications are required to the ISP dish leg.
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