150Mbps USB WiFi Adapter, Wifi Dongle.

These devices are typically used to add wireless connectivity to a desktop computer or to upgrade the WiFi capabilities of a laptop. Here’s some general information about them:

1. Speed: A 150Mbps USB WiFi adapter refers to its maximum theoretical data transfer rate. This speed should be sufficient for basic web browsing, emailing, and light video streaming. However, if you plan to do more data-intensive tasks like online gaming or HD video streaming, you might want to consider a faster adapter.
2. Compatibility: Make sure the adapter is compatible with your operating system (Windows, macOS, Linux, etc.) and your computer’s hardware. Most modern adapters are plug-and-play, but it’s always a good idea to double-check compatibility before purchasing.
3. Size and Form Factor: USB WiFi adapters come in various shapes and sizes. Some are small and inconspicuous, while others may be larger with external antennas for better signal reception. Choose one that fits your needs and preferences.
4. Brand and Reviews: Look for reputable brands known for their quality and reliability. Reading user reviews can also provide insights into the performance and durability of a particular adapter.
5. Price: Prices for WiFi adapters can vary depending on brand, features, and performance. While it’s tempting to opt for the cheapest option, investing a bit more in a reliable adapter can save you frustration in the long run.