Realtek RTL8187B Wireless 802.11g 54Mbps USB 2.0 Network Adapter for Windows

Name: Realtek RTL8187B Wireless 802.11g 54Mbps USB 2.0 Network Adapter
Rating: 4 (1 reviews)
Author: Realtek Semiconductor

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Used Realtek RTL8187B Wireless 802.11g 54Mbps USB 2.0 Network Adapter for Windows?

Editors’ Review

Download.com staffFebruary 24, 2026

This network driver enables the Realtek RTL8187B wireless USB 2.0 adapter. It provides 802.11g connectivity with data transfer speeds up to 54Mbps, ensuring essential network functionality for supported hardware.

Pros
- Provides official support for Realtek RTL8187B hardware
- Enables wireless connectivity using the 802.11g standard
- Connects via the widely compatible USB 2.0 interface
- Supports network transfer speeds up to 54Mbps
Cons
- Supports only the specific RTL8187B adapter model
- Lacks support for modern 802.11n/ac/ax wireless standards
- Network speed is limited to a maximum of 54Mbps
- Utilizes the older USB 2.0 interface specification
- Does not support the 5 GHz frequency band