Serial RS-232

US Robotics 56K Courier V90 Everything External Modem Serial 002806-00. Product may differ from image shown.

Item #: D61944. The MP 555 GPS is Sierra Wireless's next generation mobile product that provides in-vehicle data solutions while operating over CDMA2000 1X Networks. Following the successful track record of Sierra Wireless's MP200, the world's first ruggedized CDPD vehicle-mount modem.Rugged and feature-rich, the MP 555 GPS operates in extreme temperatures and meets US Military and SAE (Society of Automotive Engineers) J1455 specifications for vibration, shock, and humidity. The product is built for demanding environments and worldwide connectivity; ideal for industries like police, fire, rescue, and utility field service. Product Description: Sierra Wireless MP 555 GPS - wireless cellular modemDevice Type: Wireless cellular modem - USB / serial RS-232Enclosure Type: ExternalDimension s... Less

For your consideration: a brand new in box 3Com ImpactIQ external ISDN modem. This 3com modem provides high-speed Internet c orporate Intranet ac cess for web-surfing, email teleworking. Condition: brand new, factory sealed in its original retail box. This is a quality modem at a great value. The photos shown are of the actual item you are purchasing. Please review the photo and please feel free to email me with any questions prior to purchase. Also, please visit our eBay store for great deals

The Sportster 33.6 Faxmodem is designed for people that need excellent reliability and consistent performance for legacy dial-up connectivity. We have also built in all of the features needed to eliminate the challenges associated with making solid analog connections, like simple Plug and Play installation, powerful controller-based processing, support for all major operating systems, and more. No other modem brand offers the combination of feature-rich performance, value, and reliability of USRobotics.

The Quad RS-232 Module is intended for use in the Adtran Total Access 1500 channel bank. The channel unit provides for up to four RS232 Data Communications Equipment (DCE) interfaces from a single 56/64 kbps Digital Data Service (DDS) Circuit. One communications link is shared by up to four Data Termination Equipment (DTE) devices by enabling each DTE to use the path exclusively at regular intervals. Each of the four DTE devices is allowed a portion of the dedicated circuit, not exceeding the allowable bandwidth of 60 kbps.