- U.S. Robotics Courier 56K Business Modem (USR3453B)
- U.S. Robotics Courier 56K Business Modem (USR3453B)
- U.S. Robotics Courier 56K Business Modem (USR3453B)
- U.S. Robotics Courier 56K Business Modem (USR3453B)
- U.S. Robotics Courier 56K Business Modem (USR3453B)
- U.S. Robotics Courier 56K Business Modem (USR3453B)