Premier Supplier of Marine Spares and Equipment. Spaun SMK 5542F Satellite Multi Switch. Serial No If Available. Product Descriptions, Features and Specifications. Satellite Multi Switch SMK 5542 F. But some large items may require some more time to pack and process properly. Please co-operate with us to provide best service possible. Packing Materials used would be Standard International Packing Materials. All packing is done by professionals and you do not have to worry about damage to product during transit. We usually reply in 2 hours. Its our policy to satisfy 100% of our customers in terms of quality of the product. We will try our best to handle it for benefit of our customers.