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U.S. Robotics USR3453C Courier Global Business Modem 56Kbps RS-232 (Serial Port)

In stock.
Ships from United States.
Fees for brokerage and duty included in price. Most customers receive within 4-32 days.
  • 56Kbps
  • RS-232 (Serial Port)
  • 2 x RJ11 ports
  • ITU V.92/V.90 up to 56 Kbps downloads Data: V.92, V.90, V.34, V.32bis, V.32, V.22bis, V.22, V.23, and V.21 ITU V.34 at 33.6 Kbps or 28.8 Kbps V.32 at 19.2 Kbps (21.6 Kbps between Courier modems with ASL) ITU V.32bis at 14.4 Kbps HST at 16.8 Kbps Compatible with most ITU and Bell standards down to 300 bps Data Error Control; Compression: V.42/V.42bis and MNP2-4/5 Fax: ITU V.17 at 14.4 Kbps, ITU V.29 at 9600 bps, ITU V.27ter at 7200 bps, Group III, TIA/EIA 578 Class 1, and TIA/EIA 592 Class 2.0 Caller ID and distinctive ring (require service from your local phone company/Caller ID may not be supported in some countries).
MAIN OVERVIEW FEATURES: Modulation: ITU-T V.92,ITU-T V.90,ITU-T V.34,ITU-T V.32bis,ITU-T V.32,ITU-T V.22bis,ITU-T V.22,ITU-T V.23,ITU-T V.21,Bell 103,Bell 212A,ITU-T V.29,ITU-T V.27terHost Interface: SerialNumber of Modem (RJ-11) Ports: 1Fax Transmission Data Rate: 14.4 kbit/sModem Transmission Data Rate: 56 kbit/sForm Factor: DesktopHeight: 1.2"Width: 5.1"Depth: 10.2"Weight (Approximate): 1.10 lbPackage Contents: Courier USR3453C Analog ModemRJ-11 phone cord (6 ft/2.13 m)VersaPower Kit (universal power supply 100V-240V) with plugsfor Europe, UK, US and China (6 ft/1.8 m)RS-232 serial cable (3 ft/0.91 m)Quick Installation GuideQuick Reference CardInstallation CD-ROMLimited Warranty: Lifetime

Warranty & Returns

Warranty, Returns, And Additional Information


  • Limited Warranty period (parts): 2 years
  • Limited Warranty period (labor): 2 years
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