The dongle is USB 1.1, so will also work with USB 2.0. The software that comes with Wi-Spy runs on Win XP and 2000 only and requires the installation of Microsoft.Net Framework 1.1 or higher.
The key relevant tidbits that I picked up during a quick read of these datasheets is that the radio has a receive sensitivity of -90 dBm and has a top data transfer rate of 62.5 kbits/sec.
The Wi-Spy module is a Cypress WirelessUSB design, using a Cypress CYWUSB6934 LS 2.4GHz DSSS Radio SOC and CY7C63743 enCoRe USB Combination Low-speed USB & PS/2 Peripheral Controller. Figure 1 shows that the module is a JUNO-USB dongle, manufactured by Unigen, an OEM / ODM of memory, DC-DC power converter, wired and wireless communication, and flash products. Wi-SPY consists of a small USB module that’s about the size and form factor of a small USB flash drive and a small software application.
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