What is the maximum theoretical transfer speed for USB 1.1?

The maximum theoretical transfer speed for USB 1.1 is indeed 12 Mbps (megabits per second). This standard, which was introduced in 1998, significantly improved over its predecessor, USB 1.0, which had a maximum speed of 1.5 Mbps for low-speed devices. The enhancement to 12 Mbps allowed for faster data transfer, making USB 1.1 suitable for a wider range of devices, including printers, scanners, and other peripherals.

It's important to note that while USB 2.0 and later versions offer much higher speeds—USB 2.0 reaches up to 480 Mbps, for example—USB 1.1 was significant in paving the way for more advanced USB technologies. Understanding the speed capabilities of each USB version helps in selecting the appropriate hardware for your devices and ensures compatibility with the desired performance levels.