dresden elektronik wireless RaspBee premium - ZigBee addon for Raspberry Pi with Firmware Pluggable add on with radio module (IEEE 802.15.4) for Raspberry Pi Brings Raspberry Pi as LAN-ZigBee gateway Frequency: 2.4 GHz ISM band, can be used worldwide Based on Atmels single chip microcontroller ATmega256RFR2 With ZigBee firmware and extensive software package to control up to 200 devices