Comes with 2 microprocessor support modules. This listing is for a Tektronix 1241 Logic Analyzer with Tektronix PM201 and PM203 modules. This high-quality analyzer is perfect for those in the business and industrial field as well as those in test, measurement and inspection. It is designed to provide accurate data acquisition and analysis for your needs. The brand is Tektronix and the model is Tektronix 1241. With these devices, you can be sure that your data is being captured and analyzed with the utmost precision and accuracy.