Nobeltec USB adapters provide you with the ability to connect one or multiple RS-232 serial ports into a single USB port. Nobeltec serial interface adapters support standard PC data rates up to 460K bps to provide you with the horsepower your serial I/O applications require. RS-232 Serial to USB (2105) Product Part Number: RALXX00013 SRP: $100 USD SeaLevel Serial to Single Port USB Adapter RS-422 Serial to USB (2106) Product Part Number: RALXX00012 SRP: $100 USD SeaLevel Serial to 2-Port USB Box Product Part Number: RALXX00010 SRP: $300 USD SeaLevel Serial to 4-Port USB Box Product Part Number: RALXX00009 SRP: $400 USD SeaLevel Serial to 8-Port USB Box Product Part Number: RALXX00011 SRP: $700 USD PC Serial Cable Used for NMEA 0183 Connection to GPS Product Part Number: RAMXX00001 SRP: $25 USD Key Features • USB (Universal Serial Bus) Rev. 1.1 compliant • Supports full-speed 12M bps and low-speed 1.5M bps operation • Reliable transmission for 5-meter USB cable segments • Fully compatible with all USB devices