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3Com 53349-HD Xjack Connector 56K Cellular Modem PC Card
- 56K V.90 data and fax modem capabilities
- Cellular modem technology for mobile connectivity
- Xjack connector for convenient plug-and-play installation
- Designed for PC Card slots (Type II)
- Supports V.42bis data compression
- Includes MNP 2-4 error correction
- Compatible with Windows operating systems
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Product Overview
The 3Com 53349-HD is a 56K cellular modem designed for PC Cards, featuring the Xjack connector for easy integration. It enables high-speed data and fax communication for laptops and portable devices.
Technical Information
| Modem Type | 56K Cellular Modem |
| Interface | PC Card (Type II) |
| Connector | Xjack |
Additional Specifications
| Data Rate | 56 Kbps |
| Fax Speed | 14.4 Kbps |
| Standards | V.90, V.42bis, MNP 2-4 |
Product Description
The 3Com 53349-HD Xjack Connector 56K Cellular Modem PC Card represents a significant advancement in mobile communication for its era. This device was engineered to provide laptop users with robust and reliable high-speed data and fax capabilities, leveraging the then-emerging 56K V.90 standard. Its cellular modem functionality specifically targeted users who required connectivity on the go, often through cellular networks, making it a versatile tool for business professionals and frequent travelers. The integration of the Xjack connector was a key design feature, offering a user-friendly solution for connecting telephone lines without the need for bulky external cables or adapters. This proprietary connector design simplified the setup process and enhanced the portability of the modem. The PC Card form factor ensured compatibility with the standard expansion slots found in most laptops of the late 1990s and early 2000s, allowing for easy installation and removal. Beyond its core connectivity features, the 53349-HD modem supported essential data compression and error correction protocols, such as V.42bis and MNP 2-4, to optimize data transfer speeds and ensure data integrity. This made it suitable for a range of applications, including internet browsing, email, and remote access to corporate networks. Its compatibility with prevalent Windows operating systems of the time further cemented its position as a practical and widely adopted mobile modem solution.
