The MC1322x series of development hardware also includes the transceiver and ARM MCU as well as additional features and functions. In addition to temperature, pressure, and acceleration sensing, the boards includes a headset/audio in jack, speaker, joystick, buttons, LED, LCD, SMA connector, Nexus debug interface, and in the case of the LPB, on-chip buck converter support for low power current measurements. The USB board functions as a packet sniffer.