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3Com 3CXM556 Megahertz 56k Cellular Modem PC Card
- Supports 56k data speeds for dial-up connections.
- Utilizes cellular network technology for wireless access.
- Form factor is a PC Card (Type II) for laptop integration.
- Enables remote internet access and data transmission.
- Compatible with various cellular network standards of its era.
- Provides a mobile data solution for professionals on the go.
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Product Overview
The 3Com 3CXM556 is a 56k cellular modem PC Card, designed to provide wireless data connectivity for laptops. It allows users to connect to cellular networks for dial-up internet access and remote data communication.
Technical Information
| Product Type | Cellular Modem PC Card |
| Data Speed | 56 Kbps |
| Interface | PC Card (Type II) |
Additional Specifications
| Technology | Cellular (Analog) |
| Form Factor | PC Card |
Product Description
The 3Com 3CXM556 is a legacy cellular modem designed to offer wireless data connectivity for portable computing devices, primarily laptops equipped with a PC Card slot. This modem leverages cellular network infrastructure to provide dial-up internet access and facilitate remote data communication, enabling users to stay connected while mobile. With a maximum data transfer rate of 56 kilobits per second, it was a common solution for accessing online resources and sending/receiving data in environments where traditional wired connections were unavailable. As a PC Card (often referred to as a PCMCIA card), the 3CXM556 easily slots into the expansion port of compatible laptops, providing a plug-and-play solution for adding modem functionality. This was particularly valuable for business travelers and remote workers who needed reliable access to email, file transfers, and basic internet browsing. The modem's cellular capability meant it could connect through the widespread analog cellular networks available during its operational lifespan. While superseded by newer technologies, the 3Com 3CXM556 represents a significant step in mobile computing and wireless data access. It provided users with unprecedented freedom to connect from virtually anywhere with cellular coverage, paving the way for the more advanced mobile broadband solutions available today. Its inclusion of modem functionality within a compact PC Card form factor made it a practical accessory for enhancing laptop utility.
