Silicon Labs Si-MB4002A Wireless Pro Kit Mainboard (BRD4002A) serves as a development board for application development and debugging of wireless products. This board incorporates an onboard J-Link debugger with a Packet Trace Interface (PTI), a Virtual COM (VCOM) port, and Advanced Energy Monitoring (AEM). This enables application development and debugging with an attached radio board and external hardware. The VCOM provides seamless communications with the target SoC over USB. The Packet Trace Interface (PTI) offers invaluable debug information about transmitted and received packets in wireless links. The Si-MB4002A mainboard comes with an onboard Si7021 relative humidity and temperature sensor and low power 128 x 128 pixel Memory LCD TFT. Additionally, this wireless pro kit mainboard contains sensors and peripherals for easy demonstration of Silicon Labs wireless products.