Radioshack     Computers    Accessories Buy Online - ship it to a store near you. •  Enjoy free shipping! •  Safe, secure delivery! •  Convenient pick-up locations!  Look for products and stores with this logo. Click here to learn more. Click here to see if stores in your area are eligible. Store selection available at the shopping cart. Not available in all areas. Some restrictions may apply. Cables, filters & adapters Clear My Selections Brand: Keyspan Sort by: Top sellers (most bought to least bought)  Price (lowest to highest)  Price (highest to lowest)  View as: Showing 1 - 1 of 1 Product Model: USA-19HS  |  Catalog #: 55040368 Keyspan High-Speed USB to RS-232 Serial Adapter Price: $34.99 Connect your RS-232 serial devices to a Mac® or PC using Keyspan's High-Speed USB to RS-232 Seri... See the Full Product Details Free Ground Shipping on orders over $50.  Details Availability: Online: In-Stock Usually ships in 2 - 3 business days Add this to your Wish List Add to cart Sort by: Top sellers (most bought to least bought)  Price (lowest to highest)  Price (highest to lowest)