ZMD AG, Dresden, Germany, offers the ZMD41211 multifunction temperature logger and smart-label RFID IC that lets you monitor and record temperature and humidity throughout the shipping process. The device has an onchip passive transponder, temperature sensor, timer, and EEPROM. Temperature logging requires a small external coil and a 1.3 V battery. Features include 8 temperature recording modes, compliance with ISO 15693 RFID technology, an onchip I2C bus interface that allows you to add additional sensors, and the ability to reuse the chip. User configuration and calibration can be done wirelessly over the RFID link.